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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 / Zona climática / intervalo de profundidade / distribution range
Ecologia
; Água doce demersal. Subtropical
Asia: Vietnam.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 5.4 cm SL macho/indeterminado; (Ref. 133159)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 3; Raios dorsais (total) : 7; Espinhos anais: 2; Raios anais : 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.
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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 na Lista Vermelha da UICN (Ref. 130435: Version 2025-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: sem interesse
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Nível Trófico (Ref.
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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