Polydactylus approximans (Lay & Bennett 1839)

Angulo, Arturo, Betts, Joel T., González-Alemán, Néstor J., Castañeda, Edgar, Berghe, Eric Van Den, Elías, Diego J., Mcmahan, Caleb D. & Matamoros, Wilfredo A., 2023, Continental fishes of Nicaragua: diversity, distribution and conservation status; with an annotated and illustrated checklist of species and an identification guide to families, Zootaxa 5376 (1), pp. 1-89 : 41

Polydactylus approximans (Lay & Bennett 1839) . Blue Bobo; Barbudo Azul, Bobo Blanco, Barbudo de Seis Barbas

Vouchers: (other collections) CAS 51246 (12) and TCWC 44419 (3). Distribution: Eastern Pacific Ocean; from central California, USA, to Chile, including the Cocos, Malpelo and Galapagos islands; entering estuaries and littoral lagoons and ascending river courses; ( Nicaragua) ER, PN and Ni (Pacific); 0–8 masl; Per, Dia, Amp. Occurrence and conservation status: Nat; LC (2010), population trend unknown. Literature: Villa (1982: 211; detailed description, including illustrations and an identification key, and information on distribution and ecology), Robertson & Allen (2015: 1402; detailed description, including illustrations, and information on distribution, with a map, and ecology) and Angulo (2021: 42; listed, including information on distribution).