The Bowmouth Guitarfish spends most of its time near muddy or sandy seafloors. The distinctive patterning of ridges along the face and back are covered in robust thorns. It adapts well to life in aquariums, although captive Bowmouths breeding is unusual.
Divers free a Megamouth shark from a fishing net in Tateyama Bay.
The Megamouth is a large deep-sea shark, rarely seen by people. Despite reaching a considerable adult size of 4m-5.2m, they are the smallest of the filter-feeding sharks, which includes the Basking Shark and the Whale Shark.. Their large mouths are lined with bioluminescent photophores, which are thought to attract plankton and fish to the slow-moving shark.
The Giant Oarfish is the longest bony fish, reaching a confirmed length of up to 11m with unofficial accounts of up to 17m in length. Rarely seen alive, they occasionally wash up on shores, or are caught as bycatch in fishing nets. As a deep-sea fish, the Oarfish sports reduced mineralization in their bones due to the low mineral content of their environment, resulting in bendy, semi-translucent bones. Unlike most fish, the Oarfish lacks scales. Their flesh is gooey and gelatinous, and unpleasant to eat.
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