Oryzias asinua Parenti, Hadiaty, Lumbantobing & Herder, 2013

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Oryzias asinua
Male picture by Wagnitz, A.

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Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Beloniformes (Needle fishes) > Adrianichthyidae (Ricefishes) > Oryziinae
Etymology: Oryzias: Greek, oryza = rice; because of the habitat used by this fish (Ref. 45335);  asinua: Name denotes the occurrence of this species in the Sungai Asinua, the type locality.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性.    26°C - ? (Ref. 94271)

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Asia: Sungai Asinua in Sulawesi Tenggara, Indonesia.

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 2.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 94271)

简单描述 型态特徵 | 形态测量图

背的软条 (总数): 7-9; 臀鳍软条: 17 - 19; 脊椎骨: 29 - 30. A member of Oryzias woworae-species group, which is distinguished by having 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 asinua and O. wolasi, 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 and an orange-colored olfactory epithelium that marks each nasal organ in at least females in life. Oryzias asinua can be further diagnosed by having the following characters: an orange-colored olfactory epithelium in both males and females in life and in preserved specimens; relatively slender body compared to O. wolasi and O. woworae with body depth 21-25, mean 22.9 % of SL (vs. 23-32, mean 25.3 in O. wolasi and 22-30, mean 26 in O. woworae); and 4-5 procurrent caudal-fin rays in the lower lobe (vs. 5-7 in O. wolasi and 5-6 in O. woworae) (Ref. 94271).

生物学特性     字汇 (例如 epibenthic)

Found in small pools and along the shore that was an extensive floodplain with clear water, slow to swift current and temperature of 26°C. Lives with a native species of halfbeak, Nomorhamphus sp., a possibly native Clarias sp., and the exotics Puntius binotatus, Trichopodus trichopterus, and Oreochromis sp. (Ref. 94271).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 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)

世界自然保护联盟红皮书 (Ref. 120744)

  濒危 (EN) (B2ab(iii)); Date assessed: 01 October 2018

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00185 - 0.01240), b=3.13 (2.90 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.2   ±0.4 se; Based on size and trophs of closest relatives
回复力 (Ref. 120179):  .
脆弱性 (Ref. 59153):  Low vulnerability (10 of 100) .