Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Auchenipteridae
(Driftwood catfishes) > Auchenipterinae
Etymology: Entomocorus: Greek, entomos = cut, sharpen + Greek, kore = pupil (Ref. 45335); radiosus: Name from the Latin word 'radiosus' meaning rod, fin-ray; and '-osus', having the nature or quality of something, usually in fullness or abundance, in allusion to the many anal-fin rays; an adjective.. More on author: Reis.
Environment / Climate / Range
Freshwater; pelagic. Tropical, preferred ?
South America: Rio Paraguay.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.3 cm SL male/unsexed; (Ref. 57707)
Specimens were collected from a creek and in wide open environments, as river channels and bays of the upper Rio Paraguay basin in the periodically flooded areas known as the Pantanal. Known to be a zooplanktivore which also eats insects. Stomach contents predominantly has microcrustaceans (cladocerans, copepods and ostracods); insects (ephemeropterans, coleopterans and hemipterans); and/or small amounts of water mites, rotifers, fish scales, bryozoans, unidentified eggs, detritus, and sand (Ref. 57707).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Reis, R.E. and T.A.K. Borges, 2006. The South American catfish genus Entomocorus (Ostariophysi: Siluriformes: Auchenipteridae), with the description of a new species from the Paraguay River Basin. Copeia 2006(3):412-422. (Ref. 57707)
IUCN Red List Status (Ref. 109396)
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
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00331 - 0.02089), b=3.09 (2.87 - 3.31), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.39 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .