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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); wolasi: Name denotes the occurrence of this species in the District of Wolasi, the type locality..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical; 24°C - 26°C (Ref. 94271)
Asia: several inland habitats in the Regency of Konawe Selatan (South Konawe), Sulawesi Tenggara, Indonesia.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 2.9 cm SL macho/indeterminado; (Ref. 94271)
Descrição suscinta
Morfologia | Morfometria
Raios dorsais (total): 7-8; Raios anais : 17 - 20; Vértebras: 29 - 30. This species is a member of the Oryzias woworae-species group which all share orange to deep red dorsal and ventral margins of the caudal fin and the ventral margin of the caudal peduncle and at least the posterior portion of the base of the anal fin, and a bluish sheen on the body in both sexes that is most pronounced in live adult males. Oryzias wolasi and O. asinua differ from O. woworae by having elongate middle dorsal-fin rays in males that reach the posterior extent of the first principal caudal-fin ray. Oryzias wolasi can be diagnosed by the following characters: golden in life in both sexes; relatively deep-bodied, reaching 32% SL (vs. reaching 25% in O. asinua and 30% in O. woworae); caudal peduncle depth 11-12 % SL, mean 11.2 (vs. 9-11, mean 10, in O. asinua and 8-11, mean 9.2, in O. woworae) (Ref. 94271).
Inhabits slow to swift-flowing freshwater stream with a substrate of mud, small rocks, and plant debris with emergent grasses and a shore of mud, rocks and grass. Also found in a relatively cool (24°C), swift-flowing stream along Sumbersari Falls and a warmer (26°C), springfed
coastal stream (Ref. 94271).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Parenti, L.R., R.K. Hadiaty, D. Lumbantobing and F. Herder, 2013. Two new ricefishes of the genus Oryzias (Atheirnomorpha: Beloniformes: Adrianichthyidae) augment the endemic freshwater fish fauna of southeastern Sulawesi, Indonesia. Copeia 2013(3):403-414. (Ref. 94271)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Aquário: Espécies comerciais
Mais informação
Nomes comunsSinônimosMetabolismoPredadoresEcotoxicologiaReproduçãoMaturidadeDesovaAgregação de desovaFecundidadeOvosDesenvolvimento dos ovos
Idade/TamanhoCrescimentoPeso-comprimentoComprimento-comprimentoFrequências de comprimentoMorfometriaMorfologiaLarvasDinâmica larvalRecrutamentoAbundânciaBRUVS
ReferênciasAquaculturaPerfil para aquaculturaEstirpesGenéticaElectrophoresesHereditariedadeDoençasProcessamentoNutrientsConversão de massa
ColaboradoresFotosStamps, Coins Misc.SonsCiguateraVelocidadeTipo de nataçãoÁrea branquialOtólitosCérebrosVisão
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].
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).
Nível Trófico (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
