Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Heptapteridae
Etymology: Pimelodella: Diminutive latinized of greek, pimele = fat + Greek, odous, odella = little teeth (Ref. 45335). More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 23°C - 26°C (Ref. 13614)
Central and South America: on the Atlantic drainage found from the Río Coclé de; Norte, Panama to the affluents of the Maracaibo drainage, Venezuela. On the Pacific drainage, extends from the Río Grande de Térraba, Costa Rica, to the Río San Juan, Colombia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.4 cm TL male/unsexed; (Ref. 36914)
Inhabits rivers and creeks located between 20 and 660 m elevation. Found in currents of moderate velocity on sand, gravel and rock substrata. Eats aquatic insects, especially Diptera larvae (Ref. 36880).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Reproductive mode and guild assumed to be the same as congeners (Ref. 56810).
Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36914)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00381 - 0.01816), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.6 ±0.5 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .