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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).
Eponymy: Dr Carter Rowell Gilbert (1930-2022) was an American zoologist and ichthyologist. [...] (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien rifbewoner, usually 33 - ? m (Ref. 51183). Tropical
Western Central Atlantic: Bahamas, islands and reefs of the western Caribbean Sea, Jamaica, and Puerto Rico.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.4 cm SL mannelijk / geslacht onbekend; (Ref. 5521)
Dorsale stekels (totaal) : 11; Dorsale zachte stralen (totaal) : 12 - 14; Anale stekels: 2; Anale zachte stralen: 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).
Body shape (shape guide): elongated.
Inhabit steep slopes at the edges of banks (Ref. 5521). Mouthbrooders (Ref. 240).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Employ mouthbrooding to care for their young (Ref. 240).
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |