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Roundnose minnow
Species of fish From Wikipedia, the free encyclopedia
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The roundnose minnow (Dionda episcopa) is a species of freshwater ray-finned fish in the family Leuciscidae.[2] This species is endemic to southwestern North America. The genus name Dionda is of Native American origin. The species name episcopa is Latin for "pope", and is named after John Pope who helped lead the party that collected the species holotype.[3]
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Description
As the name implies, roundnose minnow have a rounded snout with a small subterminal mouth.[4] They also have 34-45 scales along their lateral line and 8 anal fin rays. Coloration usually includes olive green, white, and shades of yellow with a diagnostic black spot near the caudal fin base.[4]
Distribution and habitat
The roundnose minnow is found in the Colorado, San Antonio, upper Nueces and Rio Grande drainages in Texas and New Mexico in the United States and Mexico.[5] This species is locally abundant and is most common in spring-influenced streams with minimal temperature variation throughout the season.[6]
Diet
Roundnose minnow are generally considered herbivorous.[7]
Reproduction
Management
Little management for roundnose minnow occurs in the United States, as most populations appear stable.[1] They have been used as baitfish in New Mexico.[8]
References
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