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 Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | 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 Ekologi

marina revassocierade; djupintervall 1 - 12 m (Ref. 9710). Tropical; 32°N - 7°N, 95°W - 59°W

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

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

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 14.0 cm TL hane/ej könsbestämd; (Ref. 6937)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 11; Mjukstrålar i ryggfenan (totalt) : 14 - 15; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 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 | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Are mouthbrooders (Ref. 39363).

Main reference Upload your references | referenser | Koordinator | Medarbetare

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)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 23 August 2012

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: kommersiell; Akvarium: Kommersiell

FAO(Publication : search) | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer

Ecology
Ekologi
Home ranges

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
Reproduktion
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larver
Larvdynamik

Distribution
Länder
FAO områden
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Förekomster
Utplanteringar
BRUVS - Videos

Anatomy
Gill areas
Hjärnstorlek
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fiskljud
Diseases / Parasites
Toxicities (LC50s)

Genetics
Genetik
Electrophoreses
Heritabilities

Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.

Outreach
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Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
Bilder

References
referenser

Verktyg

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Populärnamn | Photos

Internet-källor

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).

Trofisk nivå (Ref. 69278): 3.7 ±0.5 se; based on diet studies.

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

Price category (Ref. 80766): Unknown.

Opistognathus whitehursti (Longley, 1927)