最初描述为 Paratilapia esox:
ZooBank:1191C099-3400-41EC-8AD1-4A326296A8CF.
- Boulenger, George Albert. 1908. "Diagnoses of new fishes discovered by Capt. E. L. Rhoades in Lake Nyassa". Annals and Magazine of Natural History. (Ser8)238-243 (crc00068)
同种异名 (3):
- Rhamphochromis leptosoma Regan, 1922, 标本产地来自于 Lake Malawi. 鉴定者: Turner et al., 2004
- Rhamphochromis lucius Ahl, 1927, 标本产地来自于 Langenburg (Lumbila), Lake Nyassa (Lake Malawi). 鉴定者: Konings, 2007
- Rhamphochromis melanotus Ahl, 1927, 标本产地来自于 Langenburg (Lumbila), Lake Nyassa (Lake Malawi). 鉴定者: Trewavas, 1935
保育: Rhamphochromis esox 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 (VU) 易危（Vulnerable） (2018).