最初描述为 Algoma amara:
- Girard, Charles Frederic. 1856. "Researches upon the cyprinoid fishes inhabiting the fresh waters of the United States, west of the Mississippi Valley, from specimens in the museum of the Smithsonian Institution". Proceedings of the Academy of Natural Sciences of Philadelphia. 8:165-213 (ffm04542)
同种异名 (1):
- Algoma fluviatilis Girard, 1856, 标本产地来自于 Near Monterrey, Nuevo León, Mexico. 鉴定者: Gilbert, 1998
保育: Hybognathus amarus 由国际自然保护联盟(IUCN)在濒危物种红色名录中为自然保育而进行了评估 evaluated (EN) 濒危(Endangered) (1996).