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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
Οικολογία
Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 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.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 6937)
Ραχιαίες άκανθες (συνολικά) : 11; Μαλακές ραχιαίες ακτίνες (συνολικά) : 14 - 15; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 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
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά); Ενυδρείο: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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).
Τροφικό Επίπεδο (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);