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Guadalupe darter
The Guadalupe darter (Percina apristis) is a small species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is found in the Guadalupe River system in Texas.[2] The Guadalupe darter was formally a subspecies of the dusky darter, but was recognized as an independent species in 2007. It is protected by state law as a threatened species. PredatorsThe Guadalupe darter is typically predated upon by large birds and fish commonly including, DietThe Guadalupe darter has a carnivorous diet that consist of small insects and arthropods including HabitatThe Guadalupe darter prefers fast rocky runs of small to medium-sized rivers. It can also be found scavenging in the Texas wild rice. It ranges from spring lake to the southern San Marcos river, which is a part of the greater Guadalupe river basin. AnatomyThe Guadalupe darter can reach up to 11 cm (4.3 in) in length. It is recognizable from its 6-8 black spots across the middle of its body. It has a tan upper half and a silver lower half. Unlike most ray-finned fishes, The Guadalupe darter does not contain a swim bladder. they move by scooting along the floor. The Guadalupe darter can live up to four years and reaches sexual maturity at one years old. References
https://www.gbra.org/news/2022/03/guadalupe-darter/
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