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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); ensiferus: Name from Latin 'ensifer' for sword-bearing; referring to the scimitar-shaped upper jaw (Ref. 128946).
Environment: milieu / climate zone / depth range / distribution range
Ecología
marino asociado a arrecife; rango de profundidad 0 - 1 m (Ref. 128653). Tropical
Distribución
Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri
Eastern Indian Ocean: India.
Tamaño / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 3.9 cm SL macho / no sexado; (Ref. 128653)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 11; Radios blandos dorsales (total) : 14; Espinas anales: 3; Radios blandos anales: 14; Vértebra: 28. This species is distinguished by the following characters: with an elongate supramaxilla and maxilla with flexible lamina posteriorly, widest before end and sword-shaped in adult males, extending to rear margin of opercle (2.2 eye diameters behind posterior margin of orbit); D XI,14; A III,14; vertebrae 10 + 18; scale rows in horizontal series about 48-52; the lateral-line terminus ending below segmented rays 6-7. Colouration: spinous dorsal fin with large ocellus between spines 3-6; the inner lining of upper jaw and adjacent membranes with a single dark stripe; unpigmented area above and below esophageal opening (Ref. 128946).
It is found in reefs, on living and dead coral, sand and rubble (Ref. 128946).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Smith-Vaniz, W.F., 2023. Review of Indo-West Pacific jawfishes (Opistognathus: Opistognathidae), with descriptions of 18 new species. Zootaxa 5252(1):1-180. (Ref. 128653)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [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).
Nivel trófico (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
