Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Trichomycteridae
(Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); payaya: Named for the Payayá, an indigenous people who once inhabited the area south of the rio São Francisco, between the upper rio Itapicuru and rio Paraguassu valleys to the Recôncavo Baiano, in northern Bahia State.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
South America: headwaters of the rio Itapicuru basin in Bahia, Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.7 cm SL male/unsexed; (Ref. 87309)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Sarmento-Soares, L.M., A.M. Zanata and R.F. Martins-Pinheiro, 2011. Trichomycterus payaya, new catfish (Siluriformes: Trichomycteridae) from headwaters of Rio Itapicuru, Bahia, Brazil. Neotrop. Ichthyol. 9(2):261-271. (Ref. 87309)
IUCN Red List Status (Ref. 119314)
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
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00302 - 0.02087), b=2.98 (2.75 - 3.21), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±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) .