Greenland Shark Greenland Sharks are occasionally seen in the deep waters of Faxaflói Bay, known for their slow movement and longevity of life. Image Key Facts Scientific Name Somniosus microcephalus Family Somniosidae IUCN Status Near Threatened Length 244-427 cm Weight 700-1000 kg Depth Range 145-1200m Diet Pollock, Lumpfish, Cod, Halibut, Haddock, Salmon, Smaller Sharks, Crustaceans, Seals, Squids Lifespan 250-500 years Predators No known predators, other than Humans.