Family Pholidichthyidae (convict-blennies) Very elongated, striped eel-like fish; reclusive, living under excavations; move sand and gravel in mouths. 1 genus (Pholidichthys), 2 species; marine; in tropics, Indonesia and the Philippines; size up to 30 cm (12 inches); poorly known; relationships in doubt. Family Chiasmodontidae (swallowers)
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