Macrhybopsis marconis
Leuciscidae · freshwater water fish
1 minute read · Species guide
The burrhead chub (Macrhybopsis marconis) is a species of freshwater ray-finned fish belonging to the family Leuciscidae, the shiners, daces and minnows. It is endemic to the Colorado, Guadalupe, and San Antonio river drainages in Texas. Its preferred habitat is sand and gravel runs of small to large rivers.
The generic name Macrhybopsis refers to macro from the Greek makrós (μaκρóς), long or large, and Hybopsis. The specific name relates to the San Marcos River, part of the Guadalupe system, which is the type locality. The common name is an allusion to the diagnostic nuptial tubercles on the heads of breeding males.
Article text: Wikipedia contributors, Burrhead chub (source revision). Licensed under CC BY-SA 4.0. Retrieved 2026-10-11.
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