Opistognathus macrognathus  Poey, 1860

Banded jawfish
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Opistognathus macrognathus   AquaMaps   Data sources: GBIF OBIS
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Image of Opistognathus macrognathus (Banded jawfish)
Opistognathus macrognathus
Picture by Fenner, R.

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);  macrognathus: Name from Greek 'makros' for long and 'gnathos' for jaw (Ref. 26893).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 0 - 44 m (Ref. 26893).   Tropical

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

Western Atlantic: southern Florida, USA and Bahamas to northern South America. Including Antilles but absent in Jamaica (Ref. 26938).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 7251)

Short description Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 16-17; Anal spines: 3; Anal soft rays: 14 - 16. Black spot on upper half of dorsal fin from sixth or seventh to ninth spines. Males have long, upcurved extension of maxillary bone marked with black bands (Ref. 26938). Females appear to lack the long double-banded maxilla, and there is only a single blackish band at the corner of the mouth (Ref. 13442).

Biology     Glossary (e.g. epibenthic)

Inhabits sandy bottoms near coral reefs (Ref. 9710). Feeds on gastropods, crabs and fishes (Ref. 13628). Monogamous (Ref. 52884). Oviparous, mouthbrooding by males (Ref. 205).

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

Displays facultative monogamy where males are constrained to mate with a single female due to resource limitation (Ref. 52884). Males incubate the eggs in the mouth (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: commercial
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 | 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 diet studies.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .