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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); leprocarus: From the Greek 'lepros' meaning scaly and 'kara' meaning head, in reference to the well developed cephalic squamation (Ref. 26893).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 165 - 308 m (Ref. 26893). Deep-water
Western Central Atlantic: known only from the Bahamas and the Lesser Antilles, including Anegada Passage, between Virgin Islands and Anguilla (ANSP 138563).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 8.1 cm SL mannelijk / geslacht onbekend; (Ref. 26893)
Dorsale stekels (totaal) : 10 - 11; Dorsale zachte stralen (totaal) : 11 - 13; Anale stekels: 3; Anale zachte stralen: 11 - 12; Wervels: 26. Anterior nostril a short tube without cirrus on posterior rim; posterior end of maxilla rigid, without thin flexible lamina; opercle with prominent wedge-shaped dark blotch; buccal cavity and inner lining of maxilla and adjacent membranes immaculate; dorsal fin spines slender, straight, with rigid sharp tip; nape completely scaled; cheeks with 4 or 5 rows of scales; segmented anal fin rays 11 or 12; caudal vertebrae 16; pelvic fins elongate in adults 39-49% SL with tip of depressed fin extending posteriorly well past anal fin origin (Ref. 26893).
Body shape (shape guide): elongated.
Observed using shells and rubble to close their burrow opening (Ref. 26893).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 14 - 22.7, mean 19 °C (based on 16 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.4 ±0.6 se; based on size and trophs of closest relatives
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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