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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 Ecologia

; acqua dolce pelagico. Temperate

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Asia: Gyonggi-do and Gangwon-do, Namhan River system, South Korea.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.1 cm SL maschio/sesso non determinato; (Ref. 40967)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 3; Raggi dorsali molli (totale) : 9 - 10; Spine anali: 3; Raggi anali molli: 9 - 11; Vertebre: 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 Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until they can swim (Ref. 43281).

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

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)

IUCN Red List Status (Ref. 130435)

Vulnerabile, vedi Lista Rossa IUCN (VU) (A2ace+3ce+4ace); Date assessed: 06 October 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

Informazioni ulteriori

Trophic ecology
Prede
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Ecology
Ecologia

Population dynamics
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Length-length rel.
Length-frequencies
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Life cycle
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Egg(s)
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Dinamica popolazioni larvali

Distribution
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Anatomy
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Physiology
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Fonti Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01047 (0.00454 - 0.02413), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.6 ±0.2 se; based on size and trophs of closest relatives

Resilienza (Ref. 120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Rhodeus pseudosericeus Arai, Jeon & Ueda, 2001