Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; brackvatten bottenlevande; havsvandrande (Ref. 51243); djupintervall 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.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 93.2 range ? - ? cm
Max length : 200 cm TL hane/ej könsbestämd; (Ref. 559); common length : 150 cm TL hane/ej könsbestämd; (Ref. 2871); publicerad maxvikt: 7.1 kg (Ref. 40637)
Taggstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0; Ryggkotor: 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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Mänskliga användningsområden
Fiskeri: kommersiell; sportfisk: ja
Verktyg
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 21.7 - 29.1, mean 28 °C (based on 2108 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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).
Trofisk nivå (Ref.
69278): 4.0 ±0.67 se; based on food items.
Generation time: 6.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Fec=17,475).
Prior r = 0.76, 95% CL = 0.50 - 1.14, Based on 1 full stock assessment.
Sårbarhet i fisket (Ref.
59153): High vulnerability (62 of 100).
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