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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); longinaris: The specific name is derived from a combination of the Latin longus (long) and naris (nostril) in reference to the length of the nasal tentacle..
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; djupintervall 65 - ? m (Ref. 85161). Tropical
Western Indian Ocean: known only from off kwaZulu-Natal, South Africa.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL hane/ej könsbestämd; (Ref. 85161)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 10; Mjukstrålar i ryggfenan (totalt) : 20; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 19; Ryggkotor: 34. This species is characterized by the following set of characters: maxilla rigid without flexible lamina posteriorly; D X,20; tentacle on anterior nostril at least 4 times maximum diameter of posterior nostril; oral membrane between dentaries and ‘tongue’ dark brown (Ref. 85161).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Smith-Vaniz, W.F., 2010. New species of Indo-Pacific jawfishes (Opistognathus: Opistognathidae) from the Western Indian Ocean and Red Sea. Smithiana Bull. 12:39-54. (Ref. 85161)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
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).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).