Opistognathus brasiliensis  Smith-Vaniz, 1997

Darkfin jawfish
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Opistognathus brasiliensis   AquaMaps   Data sources: GBIF OBIS
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Opistognathus brasiliensis
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

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

Southwest Atlantic: known only from southern Brazil.

Size / Weight / Age

Maturity: Lm ?  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).

Biology     Glossary (e.g. epibenthic)

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)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.6   ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .