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Betta akarensis Regan, 1910

Akar betta
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Betta akarensis
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drawing shows typical fish in this Family.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Perciformes (Perch-likes) > Osphronemidae (Gouramies) > Macropodusinae
Etymology: Betta: Siamese local name of the fish "ikan bettah".  More on author: Regan.

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

; 淡水 底中水层性; pH range: 5.5 - 6.8; dH range: ? - 12.   熱帶; 21°C - 27°C (Ref. 2059)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Asia: Borneo.
亞洲: 婆羅洲 (在砂勞越的 Akar 河).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 7050)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 1; 背的软条 (总数): 7-8; 臀棘 1-2; 臀鳍软条: 26 - 28; 脊椎骨: 31 - 32. Differs from other members of the species group by the following combination of characters: opercle with uninterrupted second postorbital stripe; yellow eye when live; anal fin rays 28-30 (mode 28); subdorsal scales 5-6 (mode 5); lateral scales 31-33 (mode 32); predorsal scales 22-25 (mode 23); postdorsal scales 10-12 (mode 11); preanal length 43.4-48.5% SL; head length 29.8-34.9% SL; anal fin base length 49.6-56.8% SL (Ref. 55025).
有别于其他此鱼种群的成员藉由跟随组合特征: 鳃盖有不间断的第二个眼眶后的斑纹; 黄色的眼当生活; 臀鳍棘条 28-30(模态 28); 子背部的鳞片 5-6(模态 5); 侧面的鳞片 31-33(模态 32); 前背的鳞片 22-25(模态 23); 后背的鳞片 10-12(模态 11); 肛门前部分的长度 43.4-48.5% SL; 头长 29.8-34.9% SL; 臀鳍基底长度 49.6-56.8% SL.(参考文献 55025)

生物学特性     字汇 (例如 epibenthic)

Occurs in habitats ranging from peat swamp forest to acid water swamp forest (Ref. 55025). Normally found in a more stagnant sections of streams among the submerged leaf litter and overhanging bank vegetation (Ref. 55025). Mouth brooder (Ref. 55025)

出现于范围从对酸的水沼泽森林的泥煤沼泽森林的栖息地。 (参考文献 55025) 通常发现于在水下的腐叶与上悬的河岸植被之中的一个溪流的比较污浊部分了。 (参考文献 55025) 口孵鱼 (参考文献 55025)

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

A paternal mouth brooder, exhibiting the typical egg exchange between female and male. After the nuptial embrace, the female picks up the fertilized egg from the male's curved body, proceeds to transfer the eggs to the male for oral brooding by spitting out the eggs and the male gulps the eggs into its buccal sac. Male sometimes rejects the eggs, but the female continues spitting and gulping the eggs until the male finally accepts. This process continues until all the fertilized eggs have been transferred, then another bout of egg laying occurs with the whole procedure repeated.亞洲: 婆羅洲 (在砂勞越的 Akar 河).

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

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. 120744)

  数据缺失 (DD) ; Date assessed: 05 December 2018

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

水族馆: 商业性
FAO(Publication : search) | FishSource |

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特别资料

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网络资源

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 of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.3   ±0.4 se; Based on size and trophs of closest relatives
回复力 (Ref. 69278):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
脆弱性 (Ref. 59153):  Low vulnerability (15 of 100) .