Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino; salmastro demersale; oceanodromo (Ref. 51243); distribuzione batimetrica 1 - 100 m (Ref. 9830). Tropical
Indo-West Pacific: East Africa to the Philippines and Japan, south to New Guinea, the Arafura Sea (Ref. 9819), Australia, New Caledonia and Fiji.
Lunghezza alla prima maturità / Dimensione / Peso / Età
Maturità: Lm 93.2  range ? - ? cm
Max length : 200 cm TL maschio/sesso non determinato; (Ref. 559); common length : 150 cm TL maschio/sesso non determinato; (Ref. 2871); peso massimo pubblicato: 7.1 kg (Ref. 40637)
Spine dorsali (totale) : 0; Spine anali: 0; Vertebre: 128 - 141. Body robust and eel-shaped; snout long; eye diameter 3 times in snout length (Ref. 4832). Head narrower, interorbital width about 10 times in head; lateral-line pores before anus 33-39; dorsal-fin rays before anus 47-49 (Ref. 9830). Posterior nostrils only slightly nearer to eye than to anterior nostrils; mouth very large; teeth generally large and conspicuous (Ref. 4832).
Body shape (shape guide): eel-like.
Found in coastal waters, including estuaries; sublittoral above 100 m (Ref. 11230). Feeds on benthic fishes and crustaceans (Ref. 9830). Nocturnal. Known to attack fishers or anglers after being captured (Ref. 6590). Also caught by drift net and bag (dol) nets. Marketed mainly fresh. Minimum depth reported taken from Ref. 86942.
van der Elst, R., 1981. A guide to the common sea fishes of southern Africa. C. Struik, Cape Town. 367 p. (Ref. 3670)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Other
Usi umani
Pesca: commerciale; Pesce da pesca sportiva: si
Strumenti
Rapporti speciali
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Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00204 (0.00124 - 0.00337), b=2.92 (2.77 - 3.07), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
4.0 ±0.67 se; based on food items. |
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Generation time |
6.1 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resilienza (Fonte Biblio. 120179) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Fec=17,475). |
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Rate of population increase |
Prior r = 0.76, 95% CL = 0.50 - 1.14, Based on 1 full stock assessment. |
Vulnerabilità della pesca (Ref. 59153) |
High vulnerability (62 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Medium.
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