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Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: duci: Name 'duci' in honor of Vietnamese ichthyologist, Prof. Nguyen Huu Duc, for his contrubution in freshwater fishes studies in Vietnam.
Eponymy: Mari Albert Johan Van Manen (1877–1943) was a Dutch ethnographer, theosophist and orientalist who made a specialty of the study of Tibet and its texts. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / kisaran kedalaman / distribution range
Ekologi
; air tawar dasar (demersal). Subtropical
Asia: Vietnam.
Size / Weight / umur
Kematangan: Lm ? range ? - ? cm
Max length : 5.4 cm SL jantan/; (Ref. 133159)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 3; duri punggung lunak (Keseluruhan (total)) : 7; Duri dubur: 2; Sirip dubur lunak: 5. This species is distinguished from its congeners by the following set of characters: pectoral fin rays I, 15; pelvic fin rays I, 8; lateral line scales 77-83; anus farther posterior insertion of pelvic fin than to anal fin origin, caudal peduncle depth approximately as caudal peduncle length (8.2%-8.5%); distance from pelvic fin to pectoral fin (39.1%) larger than distance from pelvic fin to anal fin (29.8%); broad midlateral black stripe stretching from behind head to caudal-peduncle base; black dotted stripe stretching from base of pectoral fin to posterior end of anal fin; lower lip with three large papillae; median wider than two lateral ones; rostral fold divided into three triangular lobules of same size; distinct black dot at base of pelvic and pectoral fins; fleshy black protrusion in pelvic fin base (Ref. 133159).
Body shape (shape guide): elongated; Cross section: oval.
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Dang, H.T.T., H.T. Duong, F. Li, H.Q. Nguyen and H.D. Tran, 2024. A new loach species of the genus Vanmanenia (Actinopterygii: Cypriniformes: Gastromyzontidae) from hill streams of Vietnam. Acta Ichthyologica et Piscatoria 54:177-187. (Ref. 133159)
Status IUCN Red List (Ref. 130435: Version 2025-1)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Acuan
69278): 2.7 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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