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Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); brasiliensis: Named after Brazil, along whose coast this species appears to be endemic (Ref. 26893).

Environment / Climate / Range Ecology

Marine; demersal; depth range 50 - 69 m (Ref. 26893). Subtropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Southwest Atlantic: known only from southern Brazil.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 12.9 cm SL male/unsexed; (Ref. 26893)

Short description Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 15 - 16; Vertebrae: 28. Anterior nostril a short tube with simple cirrus on posterior rim; posterior end of maxilla of adult males produced as a thin flexible lamina that usually extends beyond posterior margin of opercle; spinous dorsal fin with black spot encircled by a very narrow white ring; dorsal fin with 5 or 6 dusky bands that extend onto dorsum; adult males with inner lining of maxilla and adjacent membranes with 2 dark stripes, one stripe in females; pectoral fin uniformly pigmented, no black speckles proximally; buccal pigmentation consisting of a dark area widely surrounding esophageal opening except for a pale area posteriorly that continues between upper pharyngeal tooth patches; caudal vertebrae 8 (Ref. 26893).

Mouthbrooders (Ref. 240).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Employ mouthbrooding to care for their young (Ref. 240).

Main reference Upload your references | References | Coordinator | Collaborators

Smith-Vaniz, W.F., 1997. Five new species of jawfishes (Opistognathus: Opistognathidae) from the western Atlantic ocean. Bull. Mar. Sci. 60(3):1074-1128. (Ref. 26893)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

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Internet sources

Opistognathus brasiliensis Smith-Vaniz, 1997