Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Heptapteridae
Etymology: Rhamdia: Brazilian vernacular name, Nhamdia/Jamdia (Ref. 45335); jequitinhonha: Named after the type locality in the Rio Jequitinhonha basin.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Jequitinhonha River basin, Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.1 cm SL male/unsexed; (Ref. 36914)
soft rays: 12;
Vertebrae: 39. Rhamdia jequitinhonha is diagnosed from its congeners by a unique set of character states: pectoral fin spine with serrations on both sides; head sensory canals multiple; few caudal fin upper lobe procurrent rays (10); adipose fin 34.7% of SL or 141% of HL; free post-Weberian vertebrae, 39; maxillary barbels 39.2% of SL or 159% of HL; caudal fin lower lobe slightly the longer; color pattern uniform with faint lateral stripe, no apparent irregular blotches, or dark saddle-like marking across nape.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00349 - 0.01649), b=2.99 (2.81 - 3.17), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.6 ±0.4 se; Based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .