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Channa orientalis Bloch & Schneider, 1801

Walking snakehead
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Sri Lanka country information

Common names: Brown snakehead, Kola kanaya, Parandal kanaya
Occurrence: native
Salinity: freshwater
Abundance: common (usually seen) | Ref: Pethiyagoda, R., 1991
Importance: of no interest | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Confined to the south western wet zone, including the lower south western hills. Pollution and loss of rain forest will probably affect populations of this fish. Also Ref. 4833, 41236, 43157, 43640.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ce.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Pethiyagoda, R., 1991
National Database:

Common names from other countries

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

Teleostei > Anabantiformes (Gouramies, snakeheads) > Channidae (Snakeheads)
Etymology: Channa: Greek, channe, -es = an anchovy (Ref. 45335).
  More on authors: Bloch & Schneider.

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

; 淡水; 半咸淡水 底中水层性; pH range: 6.0 - 8.0; dH range: 5 - 19; 河川洄游 (Ref. 51243).    23°C - 26°C (Ref. 1672)

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

Asia: Afghanistan and Baluchistan southward to Sri Lanka and eastward to Indonesia.

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 41236); common length : 16.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 41236)

简单描述 型态特徵 | 形态测量图

背的软条 (总数): 33-36; 臀鳍软条: 21 - 23. Caudal fin roundly pointed.

生物学特性     字汇 (例如 epibenthic)

Obligate air-breathing (Ref. 126274); Are broadly adapted species occurring in rivers, lakes, ponds, mountain streams and even brackish water (Ref. 12693). Usually hide under the cover of marginal roots and bogwood. Found in quiet, shaded, clear, flowing water with a silt or gravel substrate (Ref. 6028). Can tolerate very stagnant, poorly oxygenated and turbid water. They also tolerate very foul water (Ref. 1479). Feed largely on insects and crustaceans. A small percentage of fish is also included in the diet. Spawn in shallow water with a silt or gravel substrate. Can tolerate a temperature of 36.5°C.

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

Exhibits mouthbrooding. Eggs hatch in the mouth of the male and either parent may keep the brood in its mouth for protection after hatching. Fry have been found to feed on successive batches of eggs laid by the female.

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

Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam, i-xxii + 543-1158, 1 pl. (Ref. 4833)

世界自然保护联盟红皮书 (Ref. 130435)

  次级保育类动物, 见 IUCN 红皮书 (VU) (B1ab(iii)+2ab(iii)); Date assessed: 06 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 




人类利用

渔业: 低经济; 水族馆: 商业性
FAO(Publication : search) | FishSource |

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Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes(, ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | 国家资料库 | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | 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. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00573 - 0.01519), b=3.04 (2.90 - 3.18), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.8   ±0.59 se; based on food items.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec = 933).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (23 of 100).
价格分类 (Ref. 80766):   Unknown.