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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); brasiliensis: Named after Brazil, along whose coast this species appears to be endemic (Ref. 26893).

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien demersaal; diepte 15 - 69 m (Ref. 129348). Subtropical

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Southwest Atlantic: Brazil.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 12.9 cm SL mannelijk / geslacht onbekend; (Ref. 26893)

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Dorsale stekels (totaal) : 11; Dorsale zachte stralen (totaal) : 16; Anale stekels: 3; Anale zachte stralen: 15 - 16; Wervels: 28. Anterior nostril a short tube with simple cirrus on posterior rim; posterior end of maxilla of adult males produced as a thin flexible lamina that usually extends beyond posterior margin of opercle; spinous dorsal fin with black spot encircled by a very narrow white ring; dorsal fin with 5 or 6 dusky bands that extend onto dorsum; adult males with inner lining of maxilla and adjacent membranes with 2 dark stripes, one stripe in females; pectoral fin uniformly pigmented, no black speckles proximally; buccal pigmentation consisting of a dark area widely surrounding esophageal opening except for a pale area posteriorly that continues between upper pharyngeal tooth patches; caudal vertebrae 8 (Ref. 26893).

Founf on bottoms with gravel and sand or on silt and sand bottoms, near coral reefs and rocky areas (Ref. 129348). Mouthbrooders (Ref. 240).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Employ mouthbrooding to care for their young (Ref. 240).

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Smith-Vaniz, W.F., 1997. Five new species of jawfishes (Opistognathus: Opistognathidae) from the western Atlantic ocean. Bull. Mar. Sci. 60(3):1074-1128. (Ref. 26893)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)

Niet geëvalueerd

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij:

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Estimates based on models

Preferred temperature (Ref. 123201): 20.2 - 23.1, mean 21.7 °C (based on 5 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 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).

Trofisch niveau (Ref. 69278): 3.5 ±0.6 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Prijsklasse (Ref. 80766): Unknown.

Opistognathus brasiliensis Smith-Vaniz, 1997