最初描述为 Cynodonichthys tenuis:
- Meek, Seth Eugene. 1904. "The fresh-water fishes of Mexico north of the isthmus of Tehuantepec". Field Columbian Museum Publication. 1-252 (ffm00159)
同种异名 (1):
- Rivulus godmani Regan, 1907, 标本产地来自于 Guatemala. 鉴定者: Huber, 1992
- Rivulus myersi Hubbs, 1936, 标本产地来自于 3 kilometers south of Progreso, Yucatán, Mexico. 鉴定者: Huber, 1992
- Rivulus hendrichsi Alvarez & Carranza, 1952, 标本产地来自于 Salto de Agua, Chiapas, southeastern Mexico. 鉴定者: Huber, 1992
保育: Rivulus tenuis 未被国际自然保护联盟（IUCN）在濒危物种红色名录中为自然保育进行评估.