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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 D D Whitehurst was a collector of specimens for the Smithsonian Institution, including the type of this species. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; profondeur 1 - 12 m (Ref. 9710). Tropical; 32°N - 7°N, 95°W - 59°W
Western Atlantic: southern Florida, USA and Bahamas to northern South America.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm TL mâle / non sexé; (Ref. 6937)
Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 14 - 15; Épines anales: 3; Rayons mous anaux: 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
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Are mouthbrooders (Ref. 39363).
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 25.5 - 28.2, mean 27.4 °C (based on 651 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Niveau trophique (Ref.
69278): 3.7 ±0.5 se; based on diet studies.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 111 [58, 172] mg/100g; Iron = 0.695 [0.404, 1.162] mg/100g; Protein = 18.5 [17.4, 19.6] %; Omega3 = 0.0896 [, ] g/100g; Selenium = 23.5 [10.6, 49.5] μg/100g; VitaminA = 133 [44, 389] μg/100g; Zinc = 1.84 [1.23, 2.60] mg/100g (wet weight);
