Classification / Names
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Cypriniformes (Carps) >
Xenocyprididae (East Asian minnows)
Etymology: parva: Named from the Latin word parva (gender feminine), meaning small or little, in reference to its small body size..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Subtropical
Asia: Cheng-jiang River, a tributary of Hongshui-He River of the Pearl River basin in Guangxi Province, China.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 5.8 cm SL mâle / non sexé; (Ref. 104754)
Description synthétique
Morphologie | Morphométrie
Rayons mous dorsaux (Total): 10; Rayons mous anaux: 15 - 17. Metzia parva is distinguished from all other congeners by the following characters: smaller body size, 48.3-57.7 mm SL (vs. 58.3-151.4 mm SL); lateral line complete, but interrupted in some specimens along ventral margin above anal-fin; anal fin with 12-14 branched rays (vs. 10-11 or 15-20); pectoral fin with 10 branched rays (vs. 11-16); pelvic fin with 6 branched rays (vs. 7-9); longer caudal peduncle 17.8-21.7% SL (vs. 14.8-17.4% SL); shorter preanal length 60.9-66.0% SL (vs. 69.0-73.0% SL); and interorbital width distinctly larger 28.4-33.0% HL (vs. 20.2-24.7% HL) (Ref. 104754).
Females have a large number of eggs (Ref. 104754).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Luo, W., J.P. Sullivan, H.-T. Zhao and Z.-G. Peng, 2015. Metzia parva, a new cyprinid species (Teleostei: Cypriniformes) from south China. Zootaxa 3962(1):226-234. (Ref. 104754)
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
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RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00415 - 0.01826), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.4 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).