Hexanchus griseus

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Related to Bluntnose sixgill shark: great white shark
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Synonyms for Hexanchus griseus

large primitive shark widely distributed in warm seas

References in periodicals archive ?
Using cameras on their remotely operated submersible vehicle (ROV), crew zoomed in to catch a better look and were able to identify the species - a bluntnose sixgill shark.
This is remarkable footage of the bluntnose sixgill shark, a rare and deep-dwelling species of shark," said Gonzalo Araojo, Executive Director of the Large Marine Vertebrates Research Institute Philippines (LAMAVE).
Jack (family) Carangidae Graysby Cephalopholis cruentata Tattler Serranus phoebe Squirrelfishes (family) Holocentridae Rainbow runner Elagatis bipinnulata Black margate Anisotremus surinamensis Bigeye scad Selar crumenophthalmus Bluntnose sixgill shark Hexanchus griseus Red hind Epinephelus guttatus Grouper (genus) Mycteroperca Scorpionfish Scorpaena sp.
The bluntnose sixgill shark (Hexanchus griseus) has small and narrow upper teeth having a curved cusp and zero to four small cusplets, and large saw-like lower teeth with a cusp and four to seven cusplets gradually decreasing in height (in adults the cusp becomes larger, while in young it is only slightly larger than the first cusplet); the tooth at the symphysis is very different in shape, being narrower and having a cusp without cusplets with strongly serrated margins.
Bluntnose sixgill sharks were also on patrol and the team filmed Humboldt squid hunting at 2,624ft - and cannibalism.
Unfortunately, the vertebral centra of a number of sharks, including bluntnose sixgill sharks (Hexanchus griseus), are too poorly calcified to provide age information (Cailliet, 1990).