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).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical; 15°S - 16°S
South America: Olhos d' Agua Cave in Minas Gerais, Brazil.
4.3Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 4 - ? cm
Max length : 8.3 cm SL male/unsexed; (Ref. 32807); max. reported age: 7 years (Ref. 28190)
A cave-restricted species. Found mostly near the bottom and in the water column. Breeding is synchronized with the rainy season for maximum survival of the young (Ref. 32807).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Breeding is seasonal.
Proudlove, G.S., 1998. Checklist of cave-dwelling fishes of the world, to 1998. Unpublished. (Ref. 27299)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest
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=0.00490 (0.00197 - 0.01219), b=3.08 (2.86 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.43 se; Based on food items.
Resilience (Ref. 69278
): Very Low, minimum population doubling time more than 14 years (tmax= 7; K= 0.02;).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (29 of 100) .