Classification / Names
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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Pseudosciades: Name from Latin 'Pseudo' meaning false, referring to its convergent morphology with the Neotropical genus Sciades..
More on author: Hamilton.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; brackvatten bottenlevande; amfidrom (Ref. 51243); djupintervall 50 - 60 m. Tropical
Indo-West Pacific: ranges from Pakistan eastwards to Thailand and southwards to Indonesia and Polynesia. Known from the Mekong delta (Ref. 12693).
Length at first maturity / Size / Vikt / Age
Maturity: Lm ?, range 24 - ? cm
Max length : 92.0 cm TL hane/ej könsbestämd; (Ref. 3290); common length : 55.0 cm TL hane/ej könsbestämd; (Ref. 3290); rapporterad maxålder: 6 år (Ref. 52060)
Inhabits coastal waters, as well as estuaries and tidal rivers. Feeds mainly on invertebrates and small fishes. The sharp dorsal and pectoral fin spines can inflict painful wounds. Sold mostly fresh and dried-salted in markets.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Distinct pairing. Mouth brooding may be employed as a parenting strategy (Ref. 205).
Jayaram, K.C., 1984. Ariidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 1. FAO, Rome. pag. var. (Ref. 3290)
IUCN Red List Status (Ref. 130435)
Threat to humans
Traumatogenic (Ref. 58010)
Human uses
Fiskeri: kommersiell
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 23.1 - 28.1, mean 27.3 °C (based on 111 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00458 - 0.01258), b=3.09 (2.94 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.0 ±0.61 se; based on food items.
Generation time: 3.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.36; tm=2; tmax=6).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).