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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
Ekologi
; sötvatten; brackvatten bottenlevande. 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.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.1 cm SL hane/ej könsbestämd; (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
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Ng, H.H., 2003. Kryptopterus geminus, a new silurid catfish (Teleostei: Siluridae) from mainland Southeast Asia. Zootaxa 305:1-11. (Ref. 50583)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell; Akvarium: Kommersiell
Verktyg
Special reports
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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).
Trofisk nivå (Ref.
69278): 4.0 ±0.6 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).