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Revision of the Deep-Sea Anglerfish Genus Acentrophryne Regan (Lophiiformes: Ceratioidei: Linophrynidae), with the Description of a New Species from off Peru

2005; American Society of Ichthyologists and Herpetologists; Volume: 2005; Issue: 2 Linguagem: Inglês

10.1643/ch-04-291r

1938-5110

Theodore W. Pietsch, Mitsuomi Shimazaki,

Fish Biology and Ecology Studies

The deep-sea ceratioid anglerfish genus Acentrophryne is revised on the basis of all known material. Two species are recognized: the type species Acentrophryne longidens, represented by two specimens collected in the Gulf of Panama and from off the Pacific coast of Costa Rica and a new species described here on the basis of three specimens, all from off Peru. The new species differs from A. longidens in having a much longer distal escal appendage, a longer illicium, a narrower head, and fewer pectoral-fin rays. Diagnoses and descriptions are given for all taxa and a key to the species is provided.