Greenland shark, Pacific sleeper shark, Little sleeper shark
Greenland shark world s longest lived vertebrate known somniosus microcephalus
Somniosus is a widely distributed genus of deepwater dogfish sharks in the family Somniosidae. Several members of the genus are believed to attain lengths up to 7 m, thus rank among the largest of sharks.
Greenland shark somniosus microcephalus
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