Taxonomic Remarks
This species is synonym of Colia nasus Temminck & Schlegel, 1846 in Eschmeyer (CofF ver. Mar. 2011: Ref. 86697). Please send references, or more studies are needed.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce; salmastro pelagico. Subtropical; 32°N - 27°N
Asia: Yangtze system (from near the mouth to beyond Tung Ting Lake, thus at least 1000 km up river), perhaps also in the Yellow River, but not in the sea.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 35.4 cm SL maschio/sesso non determinato; (Ref. 116830)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 0; Spine anali: 0; Raggi anali molli: 80. Body tapering, belly rounded before pelvic fins, with 18 to 20 + 34 to 36 = 54 or 55 keeled scutes from isthmus to anus. Maxilla short, not reaching to edge of gill cover. Pectoral fin with 6 long filaments and 11 (rarely 12) branched fin rays, longer than those of pelvic fin. Anal fin long, the last fin ray joined to the caudal fin, which is small and pointed.
Body shape (shape guide): elongated; Cross section: compressed.
A purely freshwater species occurring in tributaries and associated lakes.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Spawn in school (Ref. 205).
Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (Suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/2):305-579. Rome: FAO. (Ref. 189)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00282 (0.00154 - 0.00516), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.5 ±0.5 se; based on size and trophs of closest relatives |
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Generation time |
3.9 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resilienza (Fonte Biblio. 120179) |
Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Medium.
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