最初命名為 Dactyloscopus amnis:
- Miller, Robert Rush & J.C. Briggs. 1962. "Dactyloscopus amnis, a new sand stargazer from rivers of the Pacific slope of southern Mexico". Occasional Papers of the Museum of Zoology, University of Michigan. (627):1-11 (ffm00383)
同種異名 (1):
- Dactyloscopus thysanotus Böhlke, 1966, 其模式產地在 Chame Point, (Pacific) Panama. 鑑定者: Dawson, 1975
保育: Dactyloscopus amnis 被評鑑為國際自然保育聯盟瀕危物種紅皮書名單中的 (LC) 無危 (2010).