Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Heptapteridae
Etymology: Myoglanis: Greek, myos = muscle, and also, mouse + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); aspredinoides: The specific epithet makes allusion to the remarkable resemblance in external appearance of this species to species of the catfish genus Aspredo of the family Aspredinidae.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: recorded only from the Río Ventuari, a tributary of the upper Orinoco river basin in Venezuela, in stagnant pools formed by rocks and around 2 m of maximum depth, with clear waters and sandy and muddy bottom.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL male/unsexed; (Ref. 54795)
Morphology | Morphometrics
A species of Myoglanis with 32–35 anal-fin rays (vs. 25–28 in M. koepckei and 16–21 in M. potaroensis); caudal fin lanceolate (vs. caudal fin bifurcated in M.
koepckei and forked, divided to the base of the rays in M. potaroensis); anterior margin of pectoral spine with low, retrorse serrations only distally and without erect dentations along middle and proximal end of spine (vs. erect dentations present along entire anterior margin of pectoral spine in M. koepckei and M. potaroensis) and 56–57 vertebrae (vs. 47 in M. koepckei and 46 in M. potaroensis) (Ref. 54795).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
DoNascimiento, C. and J.G. Lundberg, 2005. Myoglanis aspredinoides (Siluriformes: Heptapteridae), a new catfish from the Río Ventuari, Venezuela. Zootaxa 1009:37-49. (Ref. 54795)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00354 - 0.01702), b=2.98 (2.80 - 3.16), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .