Family Gyrinocheilidae (algae eaters) Adaptations to fast currents include fleshy, suctorial mouth and inhalant-exhalant gill openings. Algae feeders. Size to 30 cm (12 inches). Inhabits mountain streams of Southeast Asia. 1 genus, 3 species. Family Psilorhynchidae (mountain carps) Size to about 8 cm (3.3 inches). Inhabits mountain…
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