Classification / Names
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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Kyataphisa: Kyataphisa is from the Bengali, meaning catfish.
More on author: Valenciennes.
Issue
Junior synonym of Kyataphisa nenga, according to Marceniuk et al., 2023 (Ref. 130933:461).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino; salmastro demersale; amfidromo (Ref. 51243). Tropical; 25°N - 8°S, 62°E - 117°E
Indo-Pacific: east and west coast of India, Sri Lanka, Pakistan, Bangladesh, Myanmar, Thailand, the Indo-Australian archipelago but not in the Philippines or Australia.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 59.0 cm FL maschio/sesso non determinato; (Ref. 97030); common length : 24.0 cm TL maschio/sesso non determinato; (Ref. 3290); peso massimo pubblicato: 1.5 kg (Ref. 121653)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 1; Raggi dorsali molli (totale) : 7; Raggi anali molli: 16 - 30. Head profile concave at nape. Head shield strongly rugose and granulated; supra-occipital process short, about as long as broad, with median keel, hind end concave. Dorsal and pectoral fins with very strong, thick, and coarsely granulated spine; tip of dorsal spine produced into a long filament; adipose fin rather large. Body with metallic blue luster. Tip of dorsal fin blackish, its filament black; pectoral, pelvic and anal fins dusky; caudal fin paler; adipose fin either entirely black or bearing a large black blotch on upper half.
Mostly marine. Enters brackish waters and tidal rivers (Ref. 4833). Regularly ascends into fresh water in the Mekong delta (Ref. 12693). Feeds mainly on invertebrates and small fishes (Ref. 12693). Marketed fresh, also dried-salted. An important food fish.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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: Version 2024-1)
Threat to humans
Traumatogenic (Ref. 58010)
Human uses
Pesca: commerciale
Strumenti
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 28 - 29.3, mean 28.9 °C (based on 733 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00437 - 0.00602), b=3.18 (3.13 - 3.23), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.64 se; based on food items.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (K=0.65).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
