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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); caratinguensis: Name 'caratinguensis' from the type locality of the new species, Rio Caratinga drainage.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: Brazil.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 5.5 cm SL mâle / non sexé; (Ref. 137859)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 2; Rayons mous dorsaux (Total) : 7; Épines anales: 2; Rayons mous anaux: 5. This species is distinguished from its congeners by the following set of characters: unique color pattern combining LDPZ 1-3 represented by dark brown parallel stripes, with the LDPZ 2 and 3 stripes slightly converging on the caudal peduncle end; 18-20 dorsal procurrent caudal-fin rays; eight pectoral-fin rays; S6 pore paired, pores separated by interspace; anterior section of the infraorbital canal present; pointed mandibular teeth; 39-45 premaxillary teeth; long nasal barbel, with tip reaching the opercle; sesamoid supraorbital bone with a lateral expansion; and 14 ribs (Ref. 137859).
Body shape (shape guide): elongated; Cross section: oval.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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). |
Niveau trophique (Réf. 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |