Callechelys catostoma, the black-striped snake eel or dark band snake eel,Common names for Callechelys catostoma at www.fishbase.org.) is an eel in the family Ophichthidae (worm/snake eels). It was described by Johann Gottlob Theaenus Schneider and Johann Reinhold Forster in 1801.Bloch, M. E. and J. G. Schneider, 1801 [ref. 471] M. E. Blochii, Systema Ichthyologiae Iconibus cx Ilustratum. Post obitum auctoris opus inchoatum absolvit, correxit, interpolavit Jo. Gottlob Schneider, Saxo. Berolini. Sumtibus Auctoris Impressum et Bibliopolio Sanderiano Commissum. i-lx + 1-584, Pls. 1-110. It is a tropical, marine eel which is known from the Indo-Pacific, including the Red Sea, East Africa, the Society Islands, the Ryukyu Islands, and Lord Howe Island. It dwells at a depth range of 1–32 metres, and inhabits reefs. It burrows into loose gravel and sand. Males can reach a maximum total length of .
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