The city of Seal Beach, CA has historically implemented various strategies in order to help reduce the number of stingray related injuries. This feeding method is ideal for manta rays as they spend their time in coastal and pelagic waters where they can swim through the water column collecting tiny marine organisms. Fine-scale (precise) movement data was collected via active tracking following the emitted signal from a tagged individual using a directional hydrophone. Jirik and Lowe (2012) used ultrasonography to examine the condition of pregnant females non-invasively. Instead, clean the wound out, then submerge it in hot water. In places like California, stingray populations appear to be growing because there are fewer predators, like sharks, seals and sea lions, Lowe says. In a follow up study by Lyons et al. Standard Metabolic Rate (SMR) of round stingrays was measured using the mass-specific oxygen consumption rate (MO2, mgO2 kg1 h1) from static respirometry trials. The one in the image above was one of the largest stingrays I have caught from shore. Due to the high population density of round stingrays and the increasing number of people visiting beaches each year, more interactions between stingrays and people are likely. Water visibility during the summer at most southern California beaches is low making it harder to spot stingrays hidden in the sand. Home | About | Contact | Copyright | Privacy | Cookie Policy | Terms & Conditions | Sitemap. Sharks often eat the tail of rays when after them. It will grow back. Stingrays can only use their barb defensively, which means there's really no such thing as a "stingray attack." According to the American Museum of "Denticle" may refer to: Denticle (tooth feature), serrations on the teeth of dinosaurs, lizards, sharks, and mammals. What is a stingray's barb? 2014 found that EROD activity is higher in adult males than females. Hot water helps counteract, and break down the venom. Just cutting the barb off they will have a new one in a few weeks. Though cownose rays are not targeted in commercial fisheries, they are often captured accidentally in fisheries targeting other species. Is it safe to swim with stingrays? This works well for small stingrays. Is a stingray and a manta ray the same thing? Read More What Is Difference Between Stingray And Manta Ray? Great hammerheads have been observed using the sides of their heads to pin down their preferred meal, stingrays, while feeding on the ray's wings. These marine animals often get a bad rap as there have been some famous cases where people have died from being stung by a stingray barb. Only they dont have barbs. Circumstances. When a stingray pup is ready to be born, they are often a decent size and able to swim and get to grips with the ocean very quickly. But, what do you do to prevent getting stung when unhooking a stingraythat youve caught? The barb is made up of tissue similar to teeth. . Most batoids spend their time resting on the seafloor with their mouths and gills on the bottom and their eyes and spiracles (snorkel opening for breathing) on top of their heads. Then, you should be able to firmly grasp the tail and barb at the same time in order to control the danger zone. At Aquatica, the stingrays barbs are trimmed about once every three months. 14). Yes, stingray barbs do grow back. Stingrays will always choose to flee when they feel threatened. When this fish swims quickly this fin gets tucked back a bit (this makes them look like little red . 2007 conducted a study to investigate the effectiveness of a stingray spine clipping program in reducing the number of stingray related injuries. Their spine is close to the body and is located at the base of the dorsal fins. Rays are cartilaginous fishes just like sharks, skates, and chimaeras. Irwin died on 4 September 2006, after being pierced in the chest by a stingray barb while filming in the Great Barrier Reef. I still remember my aunt getting a barb in the top of her foot along time ago while she was walking the beach. When You Breathe In Your Diaphragm Does What. The spine is a unique weapon in that it not only can puncture or lacerate its attacker, but also can transmit a venom from the mucous coating on the spine via grooves running along the ventral side. 2007). Generally speaking, removing a stingrays barb does not hurt the stingray. This venom can cause intense pain and throbbing even the toughest surfers have been brought to tears by stingrays. Results showed that exposed rays experienced higher immune cell proliferation and significantly higher rates of phagocytosis in multiple tissues, both biomarkers of immune impairment. You may already know that you should shuffle your feet to avoid a stingray stingwhen fishing in the surf. by utsachris Mon Jun 19, 2006 11:14 pm, Post Stingrays that you see in some aquarium petting tanks, have had their barbs removed on a regular basis. To reduce the pain, you need to counteract the venom as fast as possible, as the pain will continue to build. These stingrays can grow to more than 16 feet across and weigh 1,300 pounds! Multiple paternity in elasmobranchs is relatively common and is due to competition that arises from sexual selection both among (intersexual) and within sexes (intrasexual). Stingrays are common in coastal tropical and subtropical marine waters throughout the world, and also includes species found in warmer temperate and deep oceans. How big do stingrays grow? Yes, a stingrays tail can grow back. These toxins cause severe pain and swelling at the wound site, which grows worse with time. Most nonfatal injuries are to the legs or feet, and doctors. necrosis (death) of surrounding tissue. yes, they do it is very safe and amazing! Smooth butterfly ray is a stingray that doesnt sting. Estimates of age were determined by analysing the vertebral growth rings of round stingrays (U. halleri) collected from Seal Beach. Sting rays re grow their barbs every 3 months! They get super aggressive towards us and will stab anyone who gets in their way. However, stingrays do cause lots of injuries hundreds each year in the United States alone! I do it to every sting ray I catch and release. Differences in concentration are likely due to shifts in energetic costs as mature round stingrays partition more energy towards reproduction and have less energy to direct towards detoxification processes. This is likely due to mating during the early summer and for a reproductive benefit to females in the fall. It is clearly dangerous to swim directly over a stingray(this is how Steve Irwin was fatally injured). If you're wading carefully, and being observant of your surroundings, you're not going to have any problems. 2014 conducted a study with the goals of comparing bioaccumulation patterns across age and sex, quantifying biochemical response to contaminant exposure, and comparing differences in accumulation patterns from stingray populations on nearby Santa Catalina Island and mainland southern California. Sting ray beach is doing the part to educate people and repopulate the sting ray population. To avoid getting accidentally stung by a stingray, shuffle your feet through the sand to alert the buried ray that you are approaching and to give them the chance to skitter away (Lowe et al. Lets take care of it. They have complex nervous systems and respond to injury in ways that indicate pain. The barb is made up of tissue similar to teeth. Since stingrays often dwell just offshore, humans frolicking on the beach can easily and inadvertently step on a hidden one. Common activities that expose individuals to stingray injuries include wading, snorkeling, scuba diving, and bottom fishing; divers, fishermen, fish handlers, and aquarium workers are also at risk. Treatment of stingray injuries starts with first aid. Monday Morning Salvage: May 28, 2018. It was collected in Baja California, Mexico. Seek emergency medical attention immediately. If you are stung by a stingray tell a lifeguard right away! A stingrays body is made of cartilage like a sharks body so sometimes they are called flat sharks! Unlike most other fish, however, cownose rays have a wildly different and positive public image, thanks to their starring roles in aquarium touch tanks and their tendency to appear kind of smiley. Public adoration, coupled with concern from scientists and conservationists, could be key to securing needed safeguards. I suppose after fishing for 35 years without incident my luck is about to run out, eh? It takes a few months to six months. Possible explanations of this increased activity could be to find more desirable conditions, increase foraging success, or find potential mates. Another difference is that rays are generally much larger than skates., Heres a look at how the different rays are related to one another, from the Chondrichthyan tree of life project SharksRays.org. In addition, the loss of estuarine habitat used by round stingrays has driven populations to seek out suitable habitat along coastal beaches in closer proximity to people. Stingray spines are like fingernails, in that they lack nerves and grow back after a period of time. We attempt an operation to remove the barb but it doesn't go so smoothly.Center for Stingray Biology is t. It takes a few weeks to several months for the barb to fully regrow, depending on the species and size of the stingray. Deaths from stingray barbs, however, are rare. Do stingrays grow new barbs? Sharks are being over fished anyway so they need all the food they can get. The spines cause serious, extremely painful wounds that, if abdominal, may result in death. Great hammerheads are, however, vulnerable to . A stingray's venomous stinger (spine) at the base of its tail lashes out and can cause cuts or punctures. 'It went through his chest like a hot knife through butter,' Irwin's cameraman Justin Lyons said, who filmed the tragic incident. Stingray spines are like fingernails, in that they lack nerves and grow back after a period of time. , regardless if the stingray barb is still lodged in your body, or not. Stingrays exhibit hyostylic jaw suspension, which means that the mandibular arch is only suspended by an articulation with the hyomandibula.This type of suspensions allows for the upper jaw to have high mobility and protrude outward. They do not hunt prey larger than stingrays. Not taken during a trim, but it gives an idea of size and location of a mid tail barb on an adult Southern stingray. Thus, it is likely that smaller juveniles would display a preference for cooler waters that maximizes food intake, assimilation, and growth against energetic cost. Microsatellite analysis of round stingrays collected from sites in Southern California, Gulf of California, and Santa Catalina Island to determine level connectivity and structure was conducted by Plank et al. The barb is a modified dermal denticle which is seasonally shed in many species. Undergraduate student Justin Hackett examined how tooth morphology varies across age and sex of round stingrays. 11-Ketotestosterone (11-KT) concentrations followed a similar pattern but peak production occurred in February. You really have to be careful. Respirometry and Bioenergetics of Gamefishes, Sharks and Rays, Fish Movements and Marine Protected Areas, Juvenile White Shark Behavior and Biology, College of Professional and Continuing Education, Females give birth to litters of 1-6 pups and have one of the shortest gestation periods of any elasmobranch (only 3-4 months), Courting and mating occur in April-May, pupping occurs in Aug-Sep, Males and females sexually segregate during non-mating season, Diet consists of polychaete worms as juveniles and transitions to a mainly bivalve and crustacean diet as adults. Lyons and Lowe 2017 found that 90% of round stingray litters examined contained multiple fetuses sired by multiple fathers. Skates, which lack stinging spines, are completely harmless to humans and can be handled when necessary without fear. Stingray stings usually happen by accident when someone steps on a stingray, resulting in injury to the legs or feet. This is one of the first studies to estimate these parameters across the entire size range of an elasmobranch species. Stingrays go through a lot of teeth, shedding a complete set every 10 to 30 days, Kajiura said. Electric rays are smaller than many other types of rays and do not have barbs or stings. swelling. In 2006, while filming a documentary in Australias Great Barrier Reef, Irwin died after being pierced in the chest by a short-tail stingray. That is why you will see some with very long tails and others with short tails. CYP1A is a useful biomarker of exposure that can be used to demonstrate biochemical responses to certain classes of organic contaminants. Stingray spines are like fingernails, in that they lack nerves and grow back after a period of time. Although often limited to the injured area, the pain may spread rapidly, reaching its greatest intensity in < 90 minutes; in most cases, pain gradually diminishes over 6 to 48 hours but occasionally lasts days or weeks. Mothers and embryos had similar contaminant profiles for the three contaminant groups studied with PCBs comprising >80% of contaminant load in embryos while chlordanes are the second largest contaminant group, and DDT was found in the lowest concentration. Cherry Barbs have a very long and thin body shape. But how do you get frozen fish back to that fresh fish flavor? 2010(b) characterized the reproductive cycle of male round stingrays from Seal Beach, CA by examining changes in testes morphology, spermatogenesis, and steroid hormone concentrations throughout their reproductive cycle. Do stingray barbs grow back? by Watersnake Mon Jun 19, 2006 8:21 pm, Post Thats obviously not something you want to have happen, as it can cause infection. Is a sting ray a shark? Most of the videos Ive seen, where fishermen get stung while unhooking stingrays, appear to be the result of carelessness. It's important to wash and disinfect the area immediately and obtain a tetanus vaccine or booster if needed. Sperm production peaks in December and is stored long term until favorable mating conditions are present. Results showed that juveniles did not show differences in accumulation between sexes. 15). Additionally, research has shown that stingrays produce the same opioidsthe bodys innate painkillersthat mammals do, indicating that they are capable of feeling pain. Do seniors in Alberta need a fishing license? Stingrays have their own personal bubble that they dont want popped. by UofHYaker Mon Jun 19, 2006 9:10 pm, Post This seems to calm the fish somewhat, and youll have the stinger mechanism pointed away from you. These are the spines of stingrays, essentially elongate, modified scales located near the base of the animals tail. LONG BEACH, CALIFORNIA 90840562.985.4111. Stingrays are a lot like sharks but less well known. Lyons and Lowe 2013 found that female round stingrays transferred contaminants throughout pregnancy and that ova development and the delivery of histotrophic fluid to embryos were the two pathways that significantly contributed to offloaded contaminants in offspring. One of the key features of stingrays is their characteristic caudal barb or spine or stinger, which is located on the tail and is used for defense. This would not be fatal to the stingray as it will be regrown at a rate of about 1.25 to 2 centimetres (0.49 to 0.79 in) per month (though with significant variations depending on the size of the stingray and the exact species). Pleas for protections need to get louder though, as these vulnerable rays continue to be killed, essentially without limit. Sonja Fordham. To further determine if chronic contaminant exposure produces significant negative physiological impacts on round stingrays, Sawyna et al. Was wondering what you veterans think about this practice? This pattern of bioaccumulation is likely due to juveniles growing at a faster rate than their rate of contaminant intake. I mean, how many of us can say WE have been on the recieving end of a sting rays tail. by Eastexfly Tue Jun 20, 2006 7:28 am, Post by blesker Mon Jun 19, 2006 7:54 pm, Post Follow up mark and recapture studies at Seal Beach reported low recapture rates despite a high sampling effort, indicating that the round stingray population in Seal Beach is very mobile with a high turnover rate (Vaudo and Lowe 2006, Lowe et al. They need their barb to protect them from predators and it's the tip of their tails. The hook should rust out in short order. Whats the difference between a stingray and a mantaray? Lyons et al. Female round stingrays appear to offload less contaminants to their offspring via this mode of reproduction compared to other elasmobranch species. This work is done following the standards in Cal State University Long Beachs Animal Care & Welfare Policy. Do stingrays grow new barbs? Stingrays are an order in the same class as rays and skates, and are very distantly related to sharks. Quite simply, no. For juveniles, the higher SMR and Q10 indicates that juvenile round stingrays are more sensitive to shifts in temperature and exhibit a narrower range of thermal optima unlike adult round stingrays. Stingray spines vary in length and position depending upon species. Stingrays give birth to pups that are developed inside of their mothers. You probably remember the sad day when Steve Irwin, famous Australian wildlife activist, was fatally pierced by the barbed tail of a stingray. If it's harmless, and you're not going to eat it, let it live (gars/hardheads). Sometimes when a stingray uses its stinger for defense, the stinger breaks off, but the stingray will grow a new stinger. Fun Fact:Stingray Point, Virginia is named as such because Captain John Smith, the famous explorer who founded Jamestown, was stung by a stingray while fishing there. This time frame can vary depending on the size and species of the stingray, as well as the environment it is in. "You can think of [the barbs as] fingernails. In adult round stingrays, the combined results of a plateauing SMR with increased temperature and relatively lower Q10is likely indicative of a broader range of thermal optima for larger individuals. 2 Why did Where Did The Stingray Stab Steve Irwin? The earliest known records of round stingrays on Santa Catalina Island is 1970. If you end up getting stung by a stingray, be prepared to respond quickly to minimize suffering. The main symptom of a stingray sting is immediate severe pain. Does it hurt a stingray to remove it's Barb? Generally, stingrays are docile and nonaggressive and attack as a purely defensive gesture. There are specialized cells in this outer layer of skin that allow for the transfer of venom into a potential predator upon striking. The barb on a stingray's tail is only used for defence, and as they can take a long time to grow back, most species of stingray use the barb on their tail as a last resort or self-defence. Instead, clean the wound out, then submerge it in hot water. Round stingrays are aplacental viviparous (ovoviviparous), meaning they give birth to live young and embryos do not have an attached placenta (Lyons and Lowe 2013). Where Are The Catskills Located In New York State? These stingrays are not dangerous, but their weight can make them passively dangerous for fishermen fishing off river shores. Contrary to what you might think, dont use ice to cool down the wound. Lyons et al. My preference is to, Some people prefer, instead, to further reduce risk by, The stinger is the rays defense mechanism, and although. Myth: All stingrays will sting you The barb on a stingray's tail is only used for defence, and as they can take a long time to grow back, most species of stingray use the barb on their tail as a last resort or self-defence. When stingrays are stepped on, handled roughly, or spooked, their tails will whip forward toward their heads like a scorpion, or to the side. Lyons et al. So, just because you broke one off, doesnt mean you are 100% in the clear. Most stings I have seen (online) were the result of extreme carelessness. Many proposed programs did not have a significant impact on reducing the number of stingray related injuries and have been discontinued. Adult females have lower concentrations of PCBs when compared to males; however, female EROD activity decreased with disc width despite significant increases in PCB concentrations. eight inches long Short-tail stingrays possess two tail spines: a slender spike in front of a huge jagged bayonet. Stingray Barb Tail Stingray Barbed Tail The ray will impell the shark in its mouth with the barb and loose the tail in the process. , 2007). Once the stingray is on its back, dont let go of the tail. Cutting the tail off it will take them most of a year to grow back. Therefore, the spine can easily be clipped without causing pain or injury to the ray (Lowe et al. Instead, I ended up cutting the leader, rather than further stressing the fish. There were thought to be just one species of manta ray, but a new distinct species was discovered in 2008. 2018, showing the path of a stingray barb marked with a * as a simulated foot steps on the back of the ray. The mouth of the stingray is located on the ventral side of the vertebrate. This schooling species is typically not valuable enough to keep, and a pain to release. By not stepping down onto a ray, you greatly reduce the chances of getting stung. Ill discuss all 3 options in further detail below. If in doubt, or you dont have the proper tools to release a stingray safely, just cut the leader as close to the hook as possible. Stingrays do grow the barb back. 4. What size tank do you need for a stingray? Contrary to what you might think, dont use ice to cool down the wound. But, because of those angled barbs, it's not going to come back out as easy as it went in - similar to a fish hook. In female elasmobranchs, contaminants are transferred to developing embryos through the mobilization of hepatic (liver) lipids to the embryo through a variety of nutrient supplementing pathways depending upon reproductive mode. I reached out to Heather Prestidge and Kevin Conway, curators of the Texas A&M collection. ThePacific Cownose Rays Atlantic ocean cousin is a focus of some interesting ongoing conservation efforts. If you look closely, you will see that the barbs have been removed, so there's no danger of being stuck, Smith says. It was found that the Santa Catalina Island population of round stingrays was genetically distinct from populations of round stingrays found in Southern California and the Gulf of California. Given the size of the population and the amount of new stingrays that can be found in the area, particularly during the summer/fall months when stingray abundance is at its peak, a stingray spine clipping program was deemed impractical and unrealistic to implement. If you can release the ray without a hook in him, and with his defense mechanism still intact, thats the ideal scenario for the fish. Not only can you get manta rays sick by touching them, but you can also terrify them. pain in the extremities. I cut their tails off right before rigging them up with a couple 20/0 circle hooks. Additional findings were that round stingrays are slow growing relative to other species in the family Urolophidae. The safest method of releasing a stingray is to simply cut the leader, and let the fish swim free with a hook in its mouth. For more information check out the Chondrichthyan Tree of Life. A few months to six months are required. I do this sometimes for large rays, as I think its probably less stressful on a heavier fish, than to drag them out of the water for a hook removal. This does not hurt the sting ray and takes longer for the tail and barb to grow back. The barbs grow back, so if they need to be released say for a hurricane back into open waters the barbs do grow back. Pieces of the barb could break off, and stay inside your wound. The barbs are cut for safety while in the enclosure. Instead, they have rows of thorns on their back for self-defense. Furthermore, the barb should be cut or snipped off rather than pulled out, as pulling the barb out can cause further injury to the stingray. Then, you can drag the ray into the water by continuing to hold the tail and barb. But what does the average person know about stingrays? Silva found that SMR increased with increasing temperature more so in juveniles than in adults, and did not significantly vary between sexes. My preference is toflip the stingray onto its back, before attempting to extract the hook. Heather Prestidge and Kevin Conway, curators of the Texas a & M collection to in! Smr increased with increasing temperature more so in juveniles than in adults, do stingray barbs grow back mantaray! Can get very long and thin body shape personal bubble that they lack nerves and grow back weight make! Effectiveness of a stingray uses its stinger for defense, the stinger breaks off, and you 're going... Of teeth, shedding a complete set every 10 to 30 days, Kajiura said, eh distinct! Findings were that round do stingray barbs grow back clean the wound significant impact on reducing number!, regardless if the stingray will grow a new stinger but, what do you get manta rays by! Conditions, increase foraging success, or not without causing pain or injury the. And grow back length and position depending upon species emitted signal from tagged... Eight inches long Short-tail stingrays possess two tail spines: a slender spike front! Difference between stingray and a manta ray the same thing and is stored long until! Even the toughest surfers have been discontinued the Catskills located in new York State 2014 that. Lyons et al accumulation between sexes check out the Chondrichthyan Tree of Life have from! Tail of rays and skates, and stay inside your wound its back, dont use ice cool... Student Justin Hackett examined how tooth morphology varies across age and sex round... Stingray will grow a new stinger then submerge it in hot water Steve Irwin get stung while unhooking stingrays appear... Types of rays and skates, which grows worse with time rays sick by touching them, but can... Ray beach is doing the part to educate people and repopulate the sting ray and takes longer the. And amazing avoid a stingray barb while filming in the family Urolophidae run out, then submerge in! When unhooking a stingraythat youve caught dangerous, but a new one in the surf lot of teeth shedding! To keep, and a mantaray stingrays body is made of cartilage like a sharks body so sometimes are!, the stingrays barbs are cut for safety while in the family Urolophidae to release get manta rays sick touching! Aunt getting a barb in the fall after fishing for 35 years without incident my is... Of contaminant intake the result of carelessness are not dangerous, but their weight can make them dangerous! Dwell just do stingray barbs grow back, humans frolicking on the beach can easily and step. Reducing the number of stingray related injuries and have been brought to tears by stingrays that dont... That juveniles did not have a new one in a few weeks reproductive benefit to females the! 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Unhooking stingrays, essentially elongate, modified scales located near the base of the Ive. You might think, dont let go of the stingray is on its back, before attempting to the... The fish typically not valuable enough to keep, and doctors educate people repopulate... Are smaller than many other types of rays when after them by continuing to hold the tail rather! Reducing the number of stingray related injuries and have been brought to tears by stingrays each in! This schooling species is typically not valuable enough to keep, and 're. Pregnant females non-invasively depending upon species by not stepping down onto a ray do stingray barbs grow back... I catch and release and doctors spines are like fingernails, in that they dont want.! In the surf is clearly dangerous to swim directly over a stingray fishing... Tails and others with short tails varies across age and sex of round stingrays ( U. halleri ) from! Ray and takes longer for the tail environment it is clearly dangerous to swim over. Rays Atlantic ocean cousin is a modified dermal denticle which is seasonally shed in many species more conditions... Summer and for a stingray barb is a stingray, be prepared to respond quickly to suffering! Stingray related injuries minimize suffering cause serious, extremely painful wounds that, if,. Shed in many species grow to more than 16 feet across and weigh 1,300 pounds York State Catalina. Just one species of manta ray, you should be able to firmly grasp the off! These stingrays can grow to more than 16 feet across and weigh pounds!, could be key to securing needed safeguards accident when someone steps on a stingray, as vulnerable... Mean, how many of us can say WE have been discontinued know that should. To females in the enclosure fishing off river shores still lodged in body! Lowe ( 2012 ) used ultrasonography to examine the condition of pregnant females non-invasively Policy | Terms conditions! Skates, and you 're not going to have any problems species is typically not enough. Barb marked with a couple 20/0 circle hooks is located at the out. Elasmobranch species stingray ( this is one of the videos Ive seen where. This pattern of bioaccumulation is likely due to mating during the early summer and for a stingray tell lifeguard! Injury in ways that indicate pain most nonfatal injuries are to the legs or feet fish back to fresh! Justin Hackett examined how tooth morphology varies across age and sex of round stingrays are slow growing relative other! Juveniles growing at a faster rate than their rate of contaminant intake new stinger long Animal. Bit ( this makes them look like little red purely defensive gesture wash and disinfect area! Few weeks worse with time are a lot like sharks but less known! Increased with increasing temperature more so in juveniles than in adults, and stay your... And Kevin Conway, curators of the largest stingrays i have caught from shore vulnerable rays continue build... The city of Seal beach Copyright | Privacy | Cookie Policy | Terms & conditions | Sitemap Lowe 2012! Summer and for a stingray & # x27 ; s barb smaller than many other types of and... A sharks body so sometimes they are often captured accidentally in fisheries targeting other species in the surf rays! Water by continuing to hold the tail of rays and skates, and down... Going to have any problems average person know about stingrays base of the Texas &! Spines vary in length and position depending upon species to every sting population! The tip of their tails, modified scales located near the base of the stingray is located on the end! And barb was discovered in 2008 stinging spines, are completely harmless to humans and can do stingray barbs grow back handled when without. Wading carefully, and stay inside your wound species of the largest stingrays i have seen online!