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  references
Fish Watcher
相关物种
物种在
  
Gymnocephalus
物种在
  
Percidae
- 分类 -
Percinae
Percidae
Perciformes/Percoidei
Teleostei
Chordata
Animalia
Gymnocephalus
cernua
(Linnaeus
, 1758)
Ruffe
上传你的
图片
和
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Pictures
|
Videos |
谷歌图片
Gymnocephalus cernua
Picture by
Bednarzik, J.
Gymnocephalus cernua
Male picture by
Otel, V.
Gymnocephalus cernua
Female picture by
Otel, V.
Gymnocephalus cernua
Juvenile picture by
Pinder, A.C.
Denmark country information
Common names:
Almindelig hork
,
Hork
Occurrence:
native
Salinity:
freshwater
Abundance:
common (usually seen)
|
Ref:
Frier, J.-O., 1994
Importance:
|
Ref:
Aquaculture:
|
Ref:
Regulations:
|
Ref:
Uses:
no uses
Comments:
Occurs throughout the country except Bornholm and Vendsyssel (Ref. 9945). Also Ref. 556.
National Checklist:
Country Information:
https://www.cia.gov/library/publications/resources/the-world-factbook/geos/da.html
National Fisheries Authority:
Occurrences:
Occurrences
Point map
Main Ref:
Muus, B.J. and P. Dahlstrøm, 1990
National Database:
Common names from other countries
Grémille
,
Acerina
,
Ерш обыкновенный
,
... more
分类 / Names
俗名
|
同种异名
| Catalog of Fishes(
属
,
种
) |
ITIS
|
CoL
|
WoRMS
|
Cloffa
Teleostei >
Perciformes/Percoidei
(Perchs) >
Percidae
(Perches) > Percinae
Etymology:
Gymnocephalus:
Greek, gymnos = naked + Greek, kephale = head (Ref.
45335
)
.
More on author:
Linnaeus
.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水
; 半咸淡水
底中水层性; pH range: 7.0 - 7.5; dH range: 8 - 12; 河川洄游 (Ref.
51243
);
深度上下限
2 - 85 m (Ref.
121625
). 溫帶; 10°C - 20°C (Ref.
13371
); 74°N - 43°N, 6°W - 169°E
分布
国家
|
FAO区域
|
生态系
|
标本纪录
|
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