最初描述为 Pimelodus guatemalensis:
- Günther, Albert C. L. G. 1864. "Catalogue of the Physostomi, containing the families Siluridae, Characinidae, Haplochitonidae, Sternoptychidae, Scopelidae, Stomiatidae in the collection of the British Museum". Catalogue of the fishes in the British Museum. 5:1-455 (ffm00226)
保育: Rhamdia guatemalensis 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.