>
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).
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 0 - 1 m (Ref. 128653). Tropical
Eastern Indian Ocean: India.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 3.9 cm SL maschio/sesso non determinato; (Ref. 128653)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 11; Raggi dorsali molli (totale) : 14; Spine anali: 3; Raggi anali molli: 14; Vertebre: 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).
Cross section: compressed.
It is found in reefs, on living and dead coral, sand and rubble (Ref. 128946).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 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). |
Livello trofico (Fonte Biblio. 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |