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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).
More on authors: Jordan & Thompson.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina; non migratori (Ref. 52884); distribuzione batimetrica 3 - 40 m (Ref. 9710), usually 3 - 40 m (Ref. 27115). Tropical; 22°C - 28°C (Ref. 27115); 32°N - 23°S, 100°W - 29°W
Western Central Atlantic: southern Florida, USA and Bahamas to Barbados and northern South America.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 10.0 cm TL maschio/sesso non determinato; (Ref. 7251)
Spine dorsali (totale) : 11; Raggi dorsali molli (totale) : 15 - 16; Spine anali: 3; Raggi anali molli: 14 - 15. Body light bluish gray with numerous pale blue dots; head, nape and anterior part of dorsal fin yellow; a pair of black spots often present on chin (Ref. 13442).
Body shape (shape guide): elongated.
Inhabit burrows made of crushed coral or sand. Hovers vertically, above or near its hole. The male courts the female by swimming in an arched position with his fins spread towards her (Ref. 9710). Male broods the eggs orally (Ref. 5521). Monogamous and always in home-ranging pairs, that is they do not defend an exclusive territory (Ref. 52884). Has been reared in captivity (Ref. 35427).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Mouthbrooders. Eggs which are clumped together in a sticky ball get incubated inside the male's mouth (Ref. 5521). Monogamous mating is observed irrespective of resource abundance (Ref. 52884).
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale; Acquario: Commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 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). |
Livello trofico (Fonte Biblio. 69278) |
3.0 ±0.1 se; based on diet studies. |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Unknown.
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Nutrienti (Ref. 124155) |
Calcium = 127 [66, 225] mg/100g; Iron = 0.86 [0.51, 1.48] mg/100g; Protein = 17.9 [16.7, 19.0] %; Omega3 = 0.0953 [, ] g/100g; Selenium = 28.1 [12.6, 60.7] μg/100g; VitaminA = 222 [67, 762] μg/100g; Zinc = 2.13 [1.39, 3.07] mg/100g (wet weight); |