Adults inhabit gravel and rubble riffles and runs of clear to turbid creeks and small to medium, sometimes large rivers . They feed on insect larvae .
Phenacobius mirabilis is distinguished by having the following characters: bicolored body, olive-brown above, silver white below; large fleshy lips; caudal fin base with intense black spot following thin dark stripe along side of body; 42-51 scales on lateral line; 15-17 scales around caudal peduncle; thin dark stripe along black; darkly outlined scales on black and upper side : elongated.
Behavioural data for Suckermouth minnow is currently being reviewed.
Freshwater; demersal; pH range: 6.5 - 7.8; dH range: 5 - 25; potamodromous . Subtropical; 5°C - 25°C ; 45°N - 30°N North America: Mississippi River basin; western Lake Erie drainage in Ohio and Michigan USA; isolated populations in Gulf drainages (Sabine River in Louisiana and Texas; Trinity and Colorado River in Texas; Pecos River in New Mexico).
insect larvae (Ref
The following diseases are known to affect Suckermouth minnow.
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