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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Etymology: Arius: Greek, arios, areios = dealing with Mars, warlike, bellicose (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
; agua dulce; salobre bentopelágico. Tropical
Africa: Pangani River in Tanzania and estuaries of Madagascar (Ref. 3876).
Tamaño / Peso / Age
Madurez: Lm ? range ? - ? cm
Max length : 45.0 cm SL macho / no sexado; (Ref. 4967)
Short description
Claves de identificación | Morfología | Morfometría
Espinas anales: 0; Radios blandos anales: 19 - 21.
Body shape (shape guide): fusiform / normal; Cross section: oval.
Arius africanus is a coastal species, mostly found in freshwater (Ref. 52331), but probably it inhabits also estuaries (Ref. 3290, 5213). It feeds mainly on invertebrates and small fishes (Ref. 3290).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Taylor, W.R., 1986. Ariidae. p. 153-159. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISBN, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3876)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Traumatogenic (Ref. 58010)
Human uses
Pesquerías: comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00381 - 0.01658), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.8 ±0.56 se; based on food items.
Resiliencia (Referencia
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
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