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Betta breviobesa Tan & Kottelat, 1998

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Betta breviobesa
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Anabantiformes (Gouramies, snakeheads) 鱸形目 (Gouramies, snakeheads) > Osphronemidae (Gouramies) 絲足鱸科 (Gouramies) > Macropodusinae
Etymology: Betta: Malay/Javanese origin. Bleeker (1850, 1858) indicates Ikan Wadder Bettah as the local name of Betta trifasciata Bleeker, 1849 (now Betta picta, Valenciennes, 1846) in the Ambarawa Javanese dialect. Ikan Wader is a common Javanese name for smaller freshwater fishes, especially cyprinids (already used in Old Javanese). See Blust, R. & Trussel, S. Austronesian Comparative Dictionary. Web Edition (https://www.trussel2.com/acd/)..
More on authors: Tan & Kottelat.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性. 熱帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Asia: Indonesia.
亞洲: 印尼。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 30224)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 1; 背的軟條 (總數) : 8; 臀棘: 2; 臀鰭軟條: 24. Differs from B. enisae by: the absence of caudal transverse bars versus presence; more anal rays (25-27, mode 27, versus 23-26, mode 24-25); more subdorsal scales (5 1/2-7, mode 7, versus 5); more lateral scales (28-30, mode 30, versus 26-28, mode 27); smaller predorsal length (62.1-67% SL, versus 67.3-70.3); larger body depth at dorsal-fin origin (28.7-32.8% SL, versus 26.2-28.9); slightly longer pelvic fin (33.9-55.4% SL, versus 33.8-46.7); longer dorsal-fin base (11.4-14.9% SL, versus 8.7-12.1); smaller total length (12.8-15.1% SL, versus 14.3-15.5); smaller orbit diameter (48-69% of postorbital length, versus 57-68); smaller interorbital width (64-74% of postorbital length, versus 70-76) (Ref. 30224). Can be further differentiated from its congeners by: the absence of chin-bar (versus presence in B. pugnax, B. prima and B. pulchra); presence of dark distal borders on anal and caudal fins (versus absence in B. pugnax, B. fusca, B. schalleri, B. prima and B. pulchra; absence of caudal transverse bars (versus presence in B. pugnax and B. pulchra; more anal rays than B. fusca (25-27, versus 24-25); fewer lateral scales than B. schalleri (28-30, versus 31); more predorsal scales than B. schalleri (19-21, mode 21, versus 17-19, mode 19); more postdorsal scales than B. prima (11-12, versus 9-10); greater head length than B. fusca (51.3-54.3% predorsal length, versus 47.2-49.4); smaller predorsal length than B. fusca and B. prima (62.1-67% SL, versus 68.1-70.2); smaller postdorsal length than B. prima (21.9-23.4% SL, versus 24.1-26.3); smaller preanal length than B. prima (48-51.5% SL, versus 50.6-54.8); greater body depth than B. schalleri (28.7-32.8% SL, versus 26.7-27.6); longer pelvic fins than B pugnax (filamentous tip reaching 9-18th anal ray, versus 4-10th; 33.9-55.4% SL, versus 26.6-43.8); longer anal-fin base than B. fusca and B. schalleri (51.1-54.5% SL, versus 47.8-52); smaller orbit diameter than B. pugnax and B. pulchra (24.2-28.5% HL, versus 27.9-38.5); smaller interorbital width than B. pugnax and B. pulchra (29.6-36.1% HL, versus 32.4-53) (Ref. 30224).
有別於 B. enisae 被: 那缺乏尾部的橫跨橫帶和出現比較; 更多的臀鰭鰭條;(25-27 ，模態 27, 對 23-26, 模態 24-25) 比較子背部的鱗片;(5 1/2-7 ，模態 7, 對 5) 比較側面的鱗片;(28-30, 模態 30, 對 26-28, 模態 27) 比較小的前背長度;(62.1-67% SL, 對 67.3-70.3) 在背鰭起點的較大的體高;(28.7-32.8% SL, 對 26.2-28.9) 些微比較長的腹鰭;(33.9-55.4% SL, 對 33.8-46.7) 較長的背鰭基底;(11.4-14.9% SL, 對 8.7-12.1) 較小的全長;(12.8-15.1% SL, 對 14.3-15.5) 較小的眼窩直徑;(48-69% 的眼眶後的長度, 對 57-68) 較小的眼間骨寬度 (64-74% 的眼眶後的長度, 對 70-76).(參考文獻 30224) 可能是進一步與它的同類區別藉著: 那缺乏下巴-橫帶;(對出現在 B. pugnax 中, B. 主要的 與 B. pulchra) 在臀鰭與尾鰭上有深色的末梢部的邊緣 (對缺乏在 B. pugnax ， B. fusca ， B. schalleri 中, B. 主要的 與 B. pulchra; 缺乏尾部的橫跨橫帶 (對出現在 B. pugnax 與 B. pulchra 中; 更多的臀鰭鰭條超過 B. fusca;(25-27, 對 24-25) 超過 B. schalleri 的少側面的鱗片;(28-30, 對 31) 超過 B. schalleri 的比較前背的鱗片;(19-21, 模態 21, 對 17-19, 模態 19) 超過 B. 主要的 的比較後背的鱗片;(11-12, 對 9-10) 超過 B. fusca 的較大的頭長;(51.3-54.3% 前背的長度, 對 47.2-49.4) 超過 B. fusca 與 B. 主要的 的小前背的長度;(62.1-67% SL, 對 68.1-70.2) 超過 B. 主要的 的小後背的長度;(21.9-23.4% SL, 對 24.1-26.3) 超過 B. 主要的 的較小的肛門前部分的長度;(48-51.5% SL, 對 50.6-54.8) 超過 B. schalleri 的較大的體高;(28.7-32.8% SL, 對 26.7-27.6) 超過 B pugnax 的較長的腹鰭 (絲狀的頂端達到 9- 第 18個臀鰭鰭條, 對 4- 第 10; 33.9-55.4% SL, 對 26.6-43.8); 超過 B. fusca 與 B. schalleri 的較長的臀鰭基底;(51.1-54.5% SL, 對 47.8-52) 超過 B. pugnax 與 B. pulchra 的較小的眼窩直徑;(24.2-28.5% HL, 對 27.9-38.5) 超過 B. pugnax 與 B. pulchra(29.6-36.1% HL, 對 32.4-53) 的較小的眼間骨寬度.(參考文獻 30224)

生物學特性     字彙 (例如 epibenthic)

Facultative air-breathing (Ref. 126274)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

亞洲: 印尼。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Tan, H.H. and M. Kottelat, 1998. Two new species of Betta (Teleostei: Osphronemidae) from the Kapuas Basin, Kalimantan Barat, Borneo. Raffles Bull. Zool. 46(1):41-51. (Ref. 30224)

IUCN 瀕危狀態 (Ref. 130435)

  次級保育類動物, 見 IUCN 紅皮書 (VU) (B1ab(iii)); Date assessed: 24 December 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00376 - 0.02663), b=2.97 (2.75 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).