Classification / Names
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Teleostei (teleosts) >
Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Akysinae
Etymology: filifer: From the Latin filum, meaning thread, and fere, meaning to bear. This is in reference to the filamentous extensions of the first pectoral-fin ray (Ref. 56231).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
Asia: Great Lake in Tonlé Sap drainage in Cambodia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm SL male/unsexed; (Ref. 56231)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 2; Dorsal soft rays (total): 4; Anal soft rays: 11; Vertebrae: 35. Extremely elongate first pectoral-fin element. Length of Caudal peduncle 23.0% SL. Elongate snout. Body sides with well-defined rows of enlarged elongate tubercles. Well-defined fold of skin where branchiostegal membranes meet (Ref. 56231).
Found in turbid lake with moderate current and sandy bottom (Ref. 56231).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.6 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).