The bristly catshark (Bythaelurus hispidus) is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. This shark is found from southeastern India and the Andaman Islands, between latitudes 15° N and 5° N, at depths between 200 and 300 m. Its length usually ranges from around 20–26 cm (7.9–10.2 in), and it is regarded as the smallest catshark of Bythaelurus.

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