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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); mimosensis: The specific name is in reference to the name of the type locality, Mimoso do Sul, Espírito Santo, Brazil.
Environment: milieu / climate zone / kisaran kedalaman / distribution range
Ekologi
; air tawar dasar (demersal). Tropical
South America: Upper rio Alto Pratinha drainage, tributary of rio Muqui do Sul, tributary of the Itabapoana river basin in Brazil.
Size / Weight / umur
Kematangan: Lm ? range ? - ? cm
Max length : 5.4 cm SL jantan/; (Ref. 94725)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
duri punggung lunak (Keseluruhan (total)) : 11 - 13; Sirip dubur lunak: 9 - 10; vertebrata, bertulang belakang: 34 - 36. Distinguished from all congeners from southeastern and northeastern Brazil by having eight pectoral-fin rays. Differs from other species of the genus by having the following combination of characters: first pectoral-fin ray prolonged as a filament; pectoral-fin filament, about 20% of the pectoral-fin length; deeper metapterygoid, much deeper than wide; shorter maxillary barbel, reaching the middle of the opercular patch of odontodes; head width 71.2-79.4 % of head length; head depth 36.2-44.5 % of head length; caudal fin truncate; trapezoidal head; dorsal-fin base length 9.5-12.2 % SL; caudal peduncle depth 11.0-12.2 % SL; 36-42 interopercular odontodes; outer edge of the hypobranchial 1 about the same deep as the inner edge; and color pattern with transverse dark bars on dorsum (Ref. 94725).
Body shape (shape guide): elongated.
Juveniles and adults were found swimming during the day, usually in water pools close to the bottom. They were collected in clearwater streams with fast flowing water and sandy substrate between rocks at depths of 5-20 m (Ref. 94725).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Barbosa, M.A., 2013. Description of two new species of the catfish genus Trichomycterus (Teleostei: Siluriformes: Trichomycteridae) from the coastal river basins, southeastern Brazil. Verteb. Zool. 63(3):269-275. (Ref. 94725)
Status IUCN Red List (Ref. 130435: Version 2025-1)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00358 - 0.02025), b=2.93 (2.74 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Acuan
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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