Puerto Rico country information

Common names: Dusky jawfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: 126 specimens exported in 1990/1991. Also Ref. 50307.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rq.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Sadovy, Y., 1992
National Database:

Common names from other countries

Guardián escamudo, Bocón prieto, Mørk kæbefisk, ... more

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> 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).

Environment: milieu / climate zone / depth range / distribution range Écologie

marin récifal; profondeur 1 - 12 m (Ref. 9710). Tropical; 32°N - 7°N, 95°W - 59°W

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Atlantic: southern Florida, USA and Bahamas to northern South America.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 14.0 cm TL mâle / non sexé; (Ref. 6937)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 14 - 15; Épines anales: 3; Rayons mous anaux: 13 - 14. The dark spot (deep greenish blue in life) of the dorsal fin usually found between the 2nd and 4th or 5th dorsal spines; body densely mottled with dark brown and flecked with blackish; caudal fin and posterior part of dorsal fin are yellow with rows of small blackish spots (Ref. 13442).

Inhabits rock and sand bottoms or the eroding edges of weed beds. Egg mass incubated in mouth of males (Ref. 5521).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Are mouthbrooders (Ref. 39363).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Böhlke, J.E. and C.C.G. Chaplin, 1993. Fishes of the Bahamas and adjacent tropical waters. 2nd edition. University of Texas Press, Austin. (Ref. 5521)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 23 August 2012

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: commercial; Aquarium: Commercial

FAO(Publication : search) | FishSource |

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Population dynamics
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Sources Internet

Estimates based on models

Preferred temperature (Ref. 115969): 25.5 - 28.2, mean 27.4 (based on 651 cells).

Phylogenetic diversity index (Ref. 82804): 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).

Niveau trophique (Ref. 69278): 3.7 ±0.5 se; based on diet studies.

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Catégorie de prix (Ref. 80766): Unknown.

Opistognathus whitehursti (Longley, 1927)