Klassifizierung / Names
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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); espinhacensis: Name 'espinhacensis' from the type locality of the new species, Serra do Espinhaço.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser benthopelagisch. Tropical
South America: Brazil.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 5.6 cm SL Männchen/unbestimmt; (Ref. 137859)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 2; Rückenflossenweichstrahlen (insgesamt) : 6 - 7; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 5. This species is distinguished from its congeners by the following set of characters: 23-26 dorsal procurrent caudal-fin rays; relatively long and thin mesethmoid cornu; relatively shorter maxilla, slightly longer than the premaxilla, without a distal widening; well-developed third hypobranchial ossification; 35 or 36 vertebrae; dorsal-fin origin at a vertical through the centrum of 17th vertebra; a longer nasal barbel, its tip posteriorly reaching the opercle or the area just anterior to it; rudimentary foramen on the parurohyal; narrow, rod-shaped basibranchial 3; 36-39 premaxillary teeth; robust comma-shaped osseous core in the autopalatine articular shell for the lateral ethmoid absent; and row of variably shaped small pale brown spots on LDPZ 3 (Ref. 137859).
Body shape (shape guide): elongated; Cross section: oval.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 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). |
Trophische Ebene (Ref. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Anfälligkeit der Fischerei (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |