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Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Opistognathidae (Jawfishes)
Etymology: Opistognathus: Greek, opisthe = behind + Greek, gnathos = jaw (Ref. 45335); 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 Ecology

Marine; pelagic-neritic; depth range 65 - ? m (Ref. 85161). Tropical

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Western Indian Ocean: known only from off kwaZulu-Natal, South Africa.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 4.1 cm SL male/unsexed; (Ref. 85161)

Short description Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 20; Anal spines: 3; Anal soft rays: 19; Vertebrae: 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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. 120744)

Data deficient (DD) ; Date assessed: 19 July 2017

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): 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).

Trophic Level (Ref. 69278): 3.3 ±0.5 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278): High, minimum population doubling time less than 15 months ().

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

Entered by Torres, Armi G.

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Opistognathus longinaris Smith-Vaniz, 2010