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Ovalentaria/misc (Various families in series Ovalentaria) >
Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); to the very elongate upper jaw of the type species of the genus, Opistognathus nigromarginatus (Ref. 128653).
Eponymy: FEN + Mutis is an arbitrary combination of letters in honour of the José Celestino Mutis Fund of the National Electric Finance Company (FEN, Bogotá), a patron of natural sciences in Colombia which financed the senior author’s studies. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; tiefenbereich 63 - 72 m (Ref. 13250). Tropical
Eastern Pacific: Colombia and Costa Rica.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 27.1 cm TL Männchen/unbestimmt; (Ref. 13250)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 11; Rückenflossenweichstrahlen (insgesamt) : 13; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 13; Wirbelzahl: 26. This large (13.2-21.8 cm SL) species have the following set of characters: truncate caudal fin;
D 13, A III; 102-105 oblique scale rows in longitudinal series; 68-73 pored lateral line scales; 26-30 gill rakers on lower limb of first arch; entire length of body with 3 violet parallel lines observed on the Colombian specimens (no spotting or other markings on head or body of Costa Rican specimen except for a series of small dark spots along the distal margin
of dorsal fin); 16 caudal vertebrae (Ref. 75633).
Mouthbrooders (Ref. 240).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Employ mouthbrooding to care for their young (Ref. 240).
Acero, A.P. and R. Franke, 1993. Una nueva especie de Opistognathus (Pisces: Perciformes) para la isla de Gorgona (Pacífico Colombiano). Caldasia 17(2):291-293. (Ref. 13250)
IUCN Rote Liste Status (Ref. 130435: Version 2024-1)
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