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Siluriformes (Catfishes) >
Siluridae (Sheatfishes)
Etymology: Kryptopterus: Greek, kryptos = hidden + Greek, pteron = wing. Fin (Ref. 45335); geminus: From the Latin geminus, meaning twin-born; in allusion to the close morphological similarity with Kryptopterus cryptopterus.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce; saumâtre démersal. Tropical
Asia: Mekong, Mae Khlong, Bang Pakong and Chao Phraya River drainages in mainland Southeast Asia. Previously misidentified as Kryptopterus cryptopterus from Malay Peninsula, Java, Sumatra and Borneo.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 17.1 cm SL mâle / non sexé; (Ref. 50583)
Occurs in large rivers with turbid waters (Ref. 27732) and in streams and canals (Ref. 12693). Feeds on fish, prawns, insects and their larvae (Ref. 12693). Spawns during the early part of the rainy season. The young move toward the seasonally flooded habitats and are first seen in August. Marketed fresh or smoked on a skewer.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Ng, H.H., 2003. Kryptopterus geminus, a new silurid catfish (Teleostei: Siluridae) from mainland Southeast Asia. Zootaxa 305:1-11. (Ref. 50583)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00279 - 0.01132), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.0 ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).