Common names from other countries
Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Creagrutus: Greek, kreagreytos, -os, -on = to tear, to rip up the flesh (Ref. 45335); yudja: Named after the Juruna indigenous people, self-named Yudjá (which means “keeper of the river”)..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical
South America: Brazil.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 3.0 cm SL mâle / non sexé; (Ref. 122128)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 8; Rayons mous anaux: 7 - 9; Vertèbres: 36. This species is distinguished from its congeners by the following set of characters: absence of infraorbital 6 (vs. present); differs from its congeners, except for C. cracentis, C. maxillaris, C. melanzonus, C. phasma, C. runa, C.veruina, by having a shallower body 13.7-19.2% (vs. > 20%); differs from C. cracentis, C. maxillaris, C. phasma, C. runa, C.veruina by having a lower number of perforated lateral line scales 34-36 (vs. > 37); differs from C. melanzonus by having a higher number of post-anal scales 4-6 (vs. 2) (Ref. 122128).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Netto-Ferreira, A.L. and C.R. Moreira, 2018. New species of Creagrutus (Ostariophysi; Characiformes; Characidae) from the Rio Xingu drainage, Brazil. Zootaxa 4375(2):250-256. (Ref. 122128)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menacé (EN) (B2ab(iii)); Date assessed: 23 November 2020
CITES (Ref. 128078)
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00354 - 0.01702), b=3.06 (2.89 - 3.23), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.7 ±0.1 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).