Here are some of the most interesting and unique types of deep sea sharks: Goblin Shark The Goblin shark is a deep sea shark that is known for its long, protruding snout and sharp teeth. The Greenland shark, for example, grows to. Deep sea sharks are a diverse group of cartilaginous fish that inhabit the deep ocean, often at depths of over 200 meters.
Another feature that we observe is that the deeper-dwelling sharks tend to be far larger. The cat shark is one of such sharks, possessing the ability to reflect blue light and re-emit it as green light in order to attract mates. Sharks make their homes in waters across the. The three new shark species all live in what is often called the ocean's "twilight zone," ranging between 2 meters (3,200 feet) below sea level, beyond which solar light does not penetrate and is too weak to initiate photosynthesis.įacing an environment with no place to hide, the sharks appear backlit against the bright surface of the water leading researchers to suggest that the sharks need the blue glowing camouflage to fend off potential predators and capture prey for survival.įurther research is required to uncover why the kitefin shark is luminescent given the species has few or no predators unlike the other two species recorded, the study said. Other deep sea sharks reflect light in a process known as biofluorescence. Deep-sea dwellers include glowing creatures, like that kitefin, that can plumb the oceans 'twilight zone,' or 650 to 3,300 feet (200 to 1,000 m) deep. 26.ĭownload the NBC News app for breaking news and politics "It looks like Dalatias lata to me however, we discover new species of deepwater shark all the time and many look very similar to each other."Bioluminescence has often been seen as a spectacular yet uncommon event at sea but considering the vastness of the deep sea and the occurrence of luminous organisms in this zone, it is now more and more obvious that producing light at depth must play an important role structuring the biggest ecosystem on our planet," said the study, published on Feb. Their energy-conserving, slow-paced lifestyle is an essential adaptation to the nutrient-scarce deep sea. "Looks to me like a deepwater kitefin shark, which are known in the waters off Australia," he said, though he noted he could not see the whole body or size of the shark. They are in the family Somniosidae, the Sleeper Sharks, the same family of the Greenland Shark, but obviously a much smaller species."Īccording to a description of this species on the Smithsonian Tropical Research Institute website, the roughskin dogfish has a short mouth and thick lips, reaches a size of 120 centimeters (approximately 4 feet) and they are generally found at depths of up to 4,920 feet (1,500 meters).Ĭhristopher Lowe, professor and director of the California State University Long Beach Shark Lab, offered a different view. Humans rarely encounter frilled sharks, which prefer to remain in the oceans' depths, up to 5,000 feet (1,500 meters) below the surface. "Ours have come from depths of 740 to 1160 meters (~2,400 to 3,800 feet), so a bit deeper than this report. "In my deep-sea research, we have caught quite a few of them in the Gulf of Mexico and in the Bahamas. He told Newsweek the species appears to be Centroscymnus owstoni, also called the roughskin dogfish.
Trapman Bermagui/Facebookĭean Grubbs, associate director of research at the Florida State University Coastal and Marine Laboratory, also weighed in. The photo sparked discussion about what sort of species the shark is. Its the largest ever caught in the countrys waters, but the surprises didnt stop there. A cropped version of the deep sea shark photo by Facebook user and fisherman Trapman Bermagui on September 12, 2022. An 800kg goblin shark was brought to the surface last week in Yilan, off the north-east coast.
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