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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Labeoninae
Etymology: Ptychidio: Greek, ptyx, ptychos = fold (Ref. 45335).
Eponymy: Dr David Starr Jordan (1851–1931) was a leading American ichthyologist, physician, educator, peace activist and believer in eugenics; moreover, he was founding President of Stanford University. [...] (Ref. 128868), visit book page.
More on author: Myers.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Subtropical
Asia: Zhujiang River in China. Occurrence in Taiwan doubtful.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 37.0 cm TL mâle / non sexé; (Ref. 128592); common length : 27.0 cm SL mâle / non sexé; (Ref. 35840); poids max. publié: 608.80 g (Ref. 128592)
Adults inhabit gravel bottom of streams (Ref. 9671). Utilized for food (Ref. 89718).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Huang, H. et al., 1987. The freshwater fishes of China in coloured illustrations. The freshwater fishes of China in coloured illustrations. (Ref. 9671)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00582 - 0.01642), b=3.13 (2.99 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).