分类 / Names
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); orthognathus: Greek, orthos = right + Greek, gnathos = jaws (Ref. 45335).
More on author: Kottelat.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 7.5 - 8.5; 非迁移的. 熱帶; 22°C - 25°C (Ref. 31267); 1°S - 3°S, 120°W - 121°W (Ref. 26747)
Asia: Endemic to Lake Poso, Sulawesi, Indonesia.
亞洲: 印尼。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 31267); common length : 5.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 27139)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 8 - 11; 臀鳍软条: 23 - 25. Distinguished from all other species of the genus by its upturned mouth. Differs further by having 45-54 scales in lateral row, 8-11 dorsal rays and 23-25 anal rays (Ref. 26747).
用它的朝上嘴与所有的其他种的本属区分了。 不同进一步在侧面的列中借着具有 45-54个鳞片, 8-11个背鳍鳍条与 23-25个臀鳍鳍条.(参考文献 26747)
Non-annual breeder. Is very difficult to maintain in aquarium (Ref. 27139).
非年度生殖者。 在水族馆非常难以维持。 (参考文献 27139)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 印尼。
Kottelat, M., A.J. Whitten, S.N. Kartikasari and S. Wirjoatmodjo, 1993. Freshwater fishes of Western Indonesia and Sulawesi. Periplus Editions, Hong Kong. 221 p. (Ref. 7050)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
临近濒危 (NT) (B1b(iii)); Date assessed: 16 November 2018
人类利用
渔业: 商业性; 水族馆: 商业性
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00189 - 0.01213), b=3.13 (2.91 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Assuming fec < 100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).