Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Olyridae
Etymology: Olyra: Greek, olyra = a kind of grain (Ref. 45335).
Environment / Climate / Range
Freshwater; demersal. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.5 cm TL male/unsexed; (Ref. 1479)
Asia: India. Reported from Bangladesh (Ref. 1479).
Found in rivers with swift flowing, clear water and with bottom of rocks and boulders (Ref. 1479).
Bockmann, F.A. and M.C.C. de Pinna, 2004. Heptapterus collettii Steindachner, 1881: a member of the Asian bagrid genus Olyra erroneously assigned to the Neotropical fauna (Siluriformes: Ostariophysi). Copeia 2004(3):665-675. (Ref. 55745)
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .