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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.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino asociado a arrecife; no migratorio (Ref. 52884); rango de profundidad 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.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 10.0 cm TL macho / no sexado; (Ref. 7251)
Espinas dorsales (total) : 11; Radios blandos dorsales (total) : 15 - 16; Espinas anales: 3; Radios blandos anales: 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 vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: comercial; Acuario: Comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 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). |
Nivel trófico (Referencia 69278) |
3.0 ±0.1 se; based on diet studies. |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |
Categoría de precios (Ref. 80766) |
Unknown.
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Nutrientes (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); |