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> 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, usually 33 - ? m (Ref. 51183). Tropical

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Western Central Atlantic: Bahamas, islands and reefs of the western Caribbean Sea, Jamaica, and Puerto Rico.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.4 cm SL hane/ej könsbestämd; (Ref. 5521)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 11; Mjukstrålar i ryggfenan (totalt): 12-14; Taggstrålar i analfenan 2; Mjukstrålar i analfenan: 13 - 14. Females gray, shading to whitish ventrally on head and abdomen, with a median yellow stripe in dorsal and anal fins, and a large area of yellow in caudal fin. Males head and body reddish gray, darkening posteriorly to black, except abdomen which is whitish; caudal fin black except for a wedge-shaped white marking dorsally and ventrally at fin base; dorsal and anal fins white, the dorsal with a round black spot between fifth and sixth dorsal spines (Ref. 13442).

Inhabit steep slopes at the edges of banks (Ref. 5521). Mouthbrooders (Ref. 240).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

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

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

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

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): 3.4 ±0.5 se; based on size and trophs of closest relatives

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

Opistognathus gilberti Böhlke, 1967