Best Dalatiidae
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The cookiecutter shark, *Isistius brasiliensis*, is a deep-sea species within the Dalatiidae family. Notably, it possesses bioluminescence and uniquely removes circular discs of tissue from sizable marine animals like whales and sharks. This behavior, likely driven by nutritional needs, makes it sig...
The Kitefin Shark is a large deep-sea shark belonging to the Dalatiidae family. It’s notable for being one of the largest bioluminescent vertebrates, capable of producing its own light through specialized organs. Primarily found in the mesopelagic zone – the twilight depths – this shark is studied b...
The smalleye pygmy shark is a deep-sea shark notable for being one of the smallest shark species in the world, first scientifically described from Japanese waters in 1912.
The largetooth cookiecutter shark is Isistius plutodus, a rare deepwater shark notable for large lower teeth that gouge oval wounds from larger animals.
The pygmy shark is Euprotomicrus bispinatus, a bioluminescent dalatiid notable as the only living member of its genus and one of the smallest sharks.
The spined pygmy shark is Squaliolus laticaudus, a tiny oceanic shark notable for photophores and a spine on the first dorsal fin but not the second.
The Black Dogfish is a deep-water shark abundant in the North Atlantic Ocean, notable for its uniformly dark coloration and mildly venomous dorsal fin spines.
