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> Siluriformes (Catfishes) > Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); pirabitira: The specific name Pirabitira, from the Tupi, is a contraction of pira (fish), and ybytyra (mountain). This is in reference to the peculiar habit of species of the genus Trichomycterus, which usually inhabit mountainous regions..

Environment: milieu / climate zone / depth range / distribution range Ecologia

; Água doce demersal. Tropical

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South America: tributaries of the upper rio Grande, rio Paraná basin, southeastern Brazil.

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 7.7 cm SL macho/indeterminado; (Ref. 118200)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Raios dorsais (total) : 11; Raios anais : 10; Vértebras: 37 - 38. Distinguished by having the following combination of characters: opercular odontodes obliquely arranged); long pointed process on the posterodorsal tip of the hyomandibula; morphology of the metapterygoid narrow, without conspicuous process directed to the hyomandibula; caudal fin subtruncated; 7 - 8 branchiostegal rays; pelvic-fin origin in a vertical through the centrum of 18th or 19th vertebra; 37-38 vertebrae; 32-34 interopercular odontodes; narrow stripe along lateral midline; nasal barbel reaching middle of the pectoral-fin base; presence of the two anterior pores of infraorbital series; head length 18.7 - 20.8% SL; seven pectoral-fin rays; 14 -15 ribs; pelvic-fin insertion through 18th-19th vertebrae; dorsal-fin and anal-fin origin in the vertical through 20th- 21st, 24th-25th vertebrae; body width 6.4 -9.3% SL; dorsal-fin origin posterior to pelvic-fin insertion (Ref. 92859).

Inhabits streams with clear water and muddy substrate comprising of submerged litter (Ref. 92859).

Ciclo de vida ou comportamento de acasalamento Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

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Barbosa, M.A. and V.M. Azevedo-Santos, 2012. A new species of the catfish genus Trichomycterus (Teleostei: Siluriformes: Trichomycteridae) from the rio Paraná basin, southeastern Brazil. Verteb. Zool. 62(3):357-362. (Ref. 92859)

Status na Lista Vermelha da UICN (Ref. 130435)

Segura ou pouco preocupante (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

Harmless

Uso pelos humanos

FAO - Publication: search | FishSource |

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Estimates based on models

Índice de diversidade filogenética (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00851 (0.00355 - 0.02043), b=2.93 (2.74 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Trichomycterus pirabitira Barbosa & Azevedo-Santos, 2012