Classification / Names
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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Ariinae
Eponymy: Captain John Melmoth Dow (1827–1892) was an American naturalist and explorer, in addition to being a ship’s master and shipping agent. [...] (Ref. 128868), visit book page.
More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce; saumâtre démersal. Tropical; 8°N - 2°S
Central and South America: fresh and brackish water along Pacific side from Panama to Ecuador.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 90.0 cm TL mâle / non sexé; (Ref. 9271); common length : 50.0 cm TL mâle / non sexé; (Ref. 55763)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Body elongate, not very robust; nostrils connected through the snout by a narrow flap of skin; eyes small (8 to 12 times in head length); cephalic plate entirely covered with thick granules, its edges striate; lower branch of the first gill arch with 17 gill rakers; adipose fin located over the end of the anal fin, its length two to three times that of the dorsal fin. Body blue-brown or blue-gray; belly white; fins dark with numerous brown spots; maxillary barbels dark gray (Ref. 55763).
Found in estuaries and rivers (Ref. 9271). Feeds on small fishes and benthic invertebrates (Ref. 11482). Marketed fresh and dried-salted (Ref. 9271).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Kailola, P.J. and W.A. Bussing, 1995. Ariidae. Bagres marinos. p. 860-886. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9271)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Traumatogenic (Ref. 58010)
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00242 - 0.00654), b=3.18 (3.04 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 4.0 ±0.62 se; based on food items.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
