Adults inhabit rocky pools, sometimes runs, of headwaters, creeks, and small rivers. They are usually found among filamentous algae . Migratory behaviour is undetermined .
Physical description for Nueces roundnose minnow is currently being compiled.
Behavioural data for Nueces roundnose minnow is currently being reviewed.
Freshwater; pelagic. Subtropical North America: Upper Nueces River drainage in Texas, USA.
The following diseases are known to affect Nueces roundnose minnow.
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