Classification / Names
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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); gasparinii: Named for João Luis Rosetti Gasparini who first collected the new species in the field..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical
South America: Rrio Reis Magos basin in Brazil.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 8.5 cm SL mâle / non sexé; (Ref. 94725)
Description synthétique
Morphologie | Morphométrie
Rayons mous dorsaux (Total): 10-12; Rayons mous anaux: 9 - 10; Vertèbres: 36 - 38. Distinguished by having seven pectoral-fin rays. Can be further diagnosed from other species by having the following combination of characters: opercular odontodes vertically arranged; deeper metapterygoid, much deeper than wide (vs. wider than deeper in T. itatiayae); pectoral-fin filament about 40% of pectoral-fin length, head width 73.0-81.6% of head length; caudal fin subtruncate; caudal peduncle depth 9.9-11.9%; absence of two anterior pores of infraorbital series; 12-13 pleural ribs; 7 branchiostegal rays; and color pattern with horizontal row of brown blotches on the flank (Ref. 94725).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
Taille/ÂgeCroissanceLongueur-poidsLongueur-longueurFréquences de longueursMorphométrieMorphologieLarvesDynamique des populations larvairesRecrutementAbondanceBRUVS
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Niveau trophique (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
