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Cypriniformes (Carps) >
Acheilognathidae (Bitterlings)
Etymology: Rhodeus: Greek, rhodeos, a,-on = rose (Ref. 45335); pseudosericeus: Specific name referring to the similar appearance of this species to Rhodeus s. sericeus .
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique. Temperate
Asia: Gyonggi-do and Gangwon-do, Namhan River system, South Korea.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 6.1 cm SL mâle / non sexé; (Ref. 40967)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 3; Rayons mous dorsaux (Total) : 9 - 10; Épines anales: 3; Rayons mous anaux: 9 - 11; Vertèbres: 33 - 34. Iris of males blackish throughout the year. Branched, dorsal fin rays, 9-10 (mode 9); anal fin rays, 9-11 (mode 10). Melanophores on dorsal fin membrane. Karyotype with 2n = 48 (8m + 20sm + 20st). Ovipositor developed in females during breeding season (Ref. 40967).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until they can swim (Ref. 43281).
Arai, R., S.-R. Jeon and T. Ueda, 2001. Rhodeus pseudosericeus sp. nov., a new bitterling fom South Korea (Cyprinidae, Acheilognathinae). Ichthyol. Res. 48(3):275-282. (Ref. 40967)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
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=0.01072 (0.00469 - 0.02447), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.6 ±0.2 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).