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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); castelensis: Name 'castelensis' from the type locality of the new species, Serra do Castelo region.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis. Tropical
South America: Brazil.
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 6.3 cm SL jantan/; (Ref. 137859)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 2; duri punggung lunak (Keseluruhan (total)) : 7; Duri dubur: 2; Sirip dubur lunak: 5. This species is distinguished from its congeners by the following set of characters: LDPZ-3 being represented by a row of dark brown to black spots, decreasing in size posteriorly, their diameter usually greater or sometimes nearly equal to opercular odontode diameter, anterior-most spots sometimes longitudinally coalesced; dorsal surface of head between orbits slightly concave; relatively long interopercular patch of odontodes, longer than the largest horizontal length of the hyomandibular anterior outgrown; 14 ribs; postero-lateral process of the autopalatine postero-laterally directed, its length about two thirds or less of the autopalatine length; second hypobranchial short, about so long as the third hypobranchial; posterior process of the parurohyal long, about eight tenths of the distance between the anterior margin of the parurohyal and the anterior insertion of the posterior process; single S6 median pore; opercular odontodes 17-19; presence of an anterior section of the infraorbital canal; pointed mandibular teeth; and a relatively shorter autopalatine postero-lateral process, its length about two-fifths of autopalatine length (Ref. 137859).
Body shape (shape guide): elongated; Cross section: oval.
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Costa, W.J.E.M., J.L.O. Mattos, M.A. Barbosa, P.J. Vilardo and A.M. Katz, 2023. High endemism in an endangered biodiversity hotspot: phylogeny, taxonomy and distribution patterns of Catfishes of the Psammocambeva alpha-clade (Siluriformes: Trichomycteridae) from the Rio Doce Basin, Brazil. Fishes 8(10);474. (Ref. 137859)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00912 (0.00394 - 0.02111), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |