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Cypriniformes (Carps) >
Xenocyprididae (East Asian minnows)
Eponymy: Dr Charles William Metz (1889–1975) was an American zoologist, geneticist and taxonomist whose doctorate was awarded by Stanford University. He co-wrote: A catalog of the fishes known from the waters of Korea (1913). (Ref. 128868), visit book page.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis. Subtropical
Asia: Yunnan, China and Taiwan (Ref. 45563); also observed from Viet Nam (Ref. 44416).
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 7.3 cm SL jantan/; (Ref. 33784)
Head small, pointed and slender; snout short and protruded; mouth slit slanted; large eyes at the center of head, towards tip, interorbital space convex. Long, rhombic body; back behind head convex. Belly scutes from base of pelvic fin to anus. Body gray on back, silvery white on lower sides and belly, a horizontal gray stripe along the central axis; gray on caudal fin and semi-transparent on others (Ref. 45563).
Adults inhabit clear still or slow-moving waters of small rivers (Ref. 45563).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Gan, X., J.-H. Lan and E. Zhang, 2009. Metzia longinasus, a new cyprinid species (Teleostei: Cypriniformes) from the Pearl River drainage in Guangxi Province, South China. Ichthyol. Res. 56:55-61. (Ref. 80361)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00631 (0.00304 - 0.01311), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |