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Beloniformes (Needle fishes) >
Adrianichthyidae (Ricefishes) > Oryziinae
Etymology: Oryzias: Greek, oryza = rice; because of the habitat used by this fish (Ref. 45335); chenglongensis: Named for its type locality, Chonglong wetland, western Taiwan.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico. Subtropical
Distribución
Territorios | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Mapa de puntos | Introducciones | Faunafri
Asia: Taiwan.
Tamaño / Peso / Edad
Madurez: Lm ? range ? - ? cm
Max length : 2.5 cm SL macho / no sexado; (Ref. 133052); 2.7 cm SL (female)
Descripción breve
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 6; Radios blandos anales: 19 - 20. This species is distinguished from its ongeners by the following set of characters: D 6, A 19-20, pelvic-fin rays 6, pectoral-fin rays 10, principle caudal-fin rays i,4/5-i (i,4/5,i; body compressed laterally, its body depth at pelvic origin 24.0-24.3, body depth at anal fin origin 15.5-20.4; dorsal-fin origin inserted almost at the vertical of 14th anal-fin rays, the membrane between dorsal-fin 5th and 6th rays without the distinct notch in adult male. Colouration: body translucent, light yellowish green or brown, scattered with minute melanophores, and a narrowly dotted, longitudinal black line along the middle forward to vertical above pelvic fin; male with a T-shape black mark of caudal fin base; operculum and pre-pectoral region slivery, without any silvery scales on lateral body, lip color grayish or creamy yellow and eye bluish silvery dorsally (Ref. 133052).
Cross section: compressed.
This fish was collected from brackish habitat around 20-30 for salinity and recorded localities are also brackish habitats of wetlands and estuaries. In its breeding experiment, this fish can also survive well in fresh water, that it might be more widely distributed around the lowland freshwater to brackish region around Taiwan (Ref. 133052).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Chen, I-S. and H.-T. Lai, 2024. A new ricefish of genus Oryzias (Teleostei: Adrianichthyidae) from western Taiwan. Zootaxa 5550(1):320-327. (Ref. 133052)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00190 - 0.01207), b=3.13 (2.91 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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