dcsimg

Diagnostic Description

provided by Fishbase
Pectoral fin modally with 14 rays; pectoral fin extending far beyond origin of ventral fin; 16-17 scales around caudal peduncle; modally 8 scales above lateral line; and maxillary never extending to vertical of anterior margin of orbit (Ref. 95038).
license
cc-by-nc
copyright
FishBase
Recorder
Armi G. Torres
original
visit source
partner site
Fishbase

Morphology

provided by Fishbase
Dorsal soft rays (total): 9; Analsoft rays: 12; Vertebrae: 40 - 41
license
cc-by-nc
copyright
FishBase
Recorder
Armi G. Torres
original
visit source
partner site
Fishbase

分布

provided by The Fish Database of Taiwan
主要分布於臺灣西部地區,包括宜蘭、台北至苗栗一帶的溪流。過去被視為是平頜鱲(/Zacco platypus/)之同物異名,近年來中外學者利用分子生物學進行親緣關係分析,證實與盛產於東亞地區的平頜鱲並非同種,因而依動物命名法則採用Jordan & Evermann, 1902所發表的學名。中國大陸有產與本種極相似的種類,彼此親緣關係仍須進一步釐清。
license
cc-by-nc
copyright
臺灣魚類資料庫
author
臺灣魚類資料庫

利用

provided by The Fish Database of Taiwan
為台灣中、北部河川最主要的溪釣種類之一。食用魚,油炸或紅燒皆宜。
license
cc-by-nc
copyright
臺灣魚類資料庫
author
臺灣魚類資料庫

描述

provided by The Fish Database of Taiwan
背鰭3(不分枝軟條)+ 7(分枝軟條);臀鰭(不分枝軟條)+ 8-9(分枝軟條);胸鰭1(不分枝軟條)+ 13-15(分枝軟條);腹鰭1(不分枝軟條)+ 8(分枝軟條);咽齒式 5,4,1-1,4,5;側線鱗數 43-45;背前鱗數 16-18。體被有中大型圓鱗;側線完全。雄魚胸鰭延長,超過腹鰭起點;臀鰭鰭條延長,尤以前4根分枝鰭條為甚,雄魚可達尾鰭基部。體呈銀白色,雄魚體側具有明顯的11-14條青色亮橫紋,雌魚則為暗青色或略不明顯。雄魚吻部黑褐色;頭腹部、體腹部及鰓蓋部下方為橘黃色至紫紅色;背鰭鰭條黑灰色,末緣橘紅色;尾柄部及尾鰭呈黃綠色至鮮黃色;胸鰭橘黃色至鮮黃色;追星呈圓錐形,各自獨立。雌魚吻部淡灰色;頭腹部、體腹部及鰓蓋部下方為灰白色;背鰭鰭條黑灰色,鰭膜橘黃色,前方數鰭條可能偏紅;尾柄部黃綠色;尾鰭暗黃色;胸鰭白色。與粗首馬口鱲(/Opsariichthys pachycephalus/)的差異,可由背前鱗16-18(vs. 25-27)以及側線鱗數43-45(vs. 51-55)加以區別。與平頜鱲(/Zacco platypus/)的區別,在幼魚及雌魚階段不易靠外觀分辨,雄魚則可由(一.)胸鰭末端達腹鰭起點之後(vs. 不及腹鰭起點);(二.)體側橫帶明顯區分為11-14條(vs. 體側橫帶通常融合成塊狀斑,橫帶條數不易計數);(三.)追星呈圓錐形,各自獨立(vs. 部分追星基部融合而連成一線);(四.)胸鰭鮮黃(vs. 胸鰭偏紅)等特徵加以鑑別。
license
cc-by-nc
copyright
臺灣魚類資料庫
author
臺灣魚類資料庫

棲地

provided by The Fish Database of Taiwan
初級淡水魚。主要棲息在河川中游附近,主要活躍於水體的中上層,生性活潑,善跳躍,具群集性。雜食性,喜好捕食水棲昆蟲或刮食食頭上的藻類、攝食有機碎屑等。
license
cc-by-nc
copyright
臺灣魚類資料庫
author
臺灣魚類資料庫

Opsariichthys evolans

provided by wikipedia EN

Opsariichthys evolans is a species of cyprinid fish.[1][2][3] It inhabits southeastern China and Taiwan.[1][4] It has a maximum male length of 9.0 centimetres (3.5 in) and a maximum female length of 7.0 centimetres (2.8 in).[1]

References

  1. ^ a b c d Froese, Rainer; Pauly, Daniel (eds.) (2019). "Opsariichthys evolans" in FishBase. December 2019 version.
  2. ^ a b Kwang-Tsao Shao (n.d.). K. T. Shao (ed.). "Opsariichthys evolans (Jordan & Evermann, 1902)". Catalogue of life in Taiwan. Biodiversity Research Center, Academia Sinica, Taiwan. Retrieved 25 September 2020.
  3. ^ a b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Opsariichthys evolans". Catalog of Fishes. California Academy of Sciences. Retrieved 25 September 2020.
  4. ^ a b Chen, I-Shiung; Wu, Jui-Hsien; Huang, Shih-Pin (2009). "The taxonomy and phylogeny of the cyprinid genus Opsariichthys Bleeker (Teleostei: Cyprinidae) from Taiwan, with description of a new species". Environmental Biology of Fishes. Developments in Environmental Biology of Fishes. 86: 165–183. doi:10.1007/978-90-481-3458-8_25. ISBN 978-90-481-3457-1.
license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN

Opsariichthys evolans: Brief Summary

provided by wikipedia EN

Opsariichthys evolans is a species of cyprinid fish. It inhabits southeastern China and Taiwan. It has a maximum male length of 9.0 centimetres (3.5 in) and a maximum female length of 7.0 centimetres (2.8 in).

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN