Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > 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
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)
Morphology | Morphometrics
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. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 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
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .