分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > 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.
Eponymy: This is a toponym referring to the Wolasi District, Sulawesi Tenggara, Indonesia. (Ref. 128868), visit book page.
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.
Eponymy: This is a toponym referring to the Wolasi District, Sulawesi Tenggara, Indonesia. (Ref. 128868), visit book page.
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
; 淡水 底中水层性. 24°C - 26°C (Ref. 94271)
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Asia: several inland habitats in the Regency of Konawe Selatan (South Konawe), Sulawesi Tenggara, Indonesia.
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 7 - 8; 臀鳍软条: 17 - 20; 脊椎骨: 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).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
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).
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 : Seegers, Lothar | 合作者
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)
CITES
Not Evaluated
对人类的威胁
人类利用
渔业: 商业性; 水族馆: 商业性
FAO - Publication: search | FishSource |
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营养生态学
食物（猎物）
食性组成
食物消耗量
口粮
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食物（猎物）
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生态学
生态学
生态学
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质量转换
入添量
丰度
成长参数
最大年龄/尺寸
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遗传学
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基因多样性
基因组
遗传学
异质性
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基因多样性
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特别资料
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网络资源
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基于模型的估算
|
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00437 (0.00167 - 0.01142), b=3.11 (2.89 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
|
营养阶层 (参考文献 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
|
渔业脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |