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contains
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is
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  references
Fish Watcher
Related species
Species in
  
Gymnocephalus
Species in
  
Percidae
- Classification -
Percinae
Percidae
Perciformes/Percoidei
Teleostei
Chordata
Animalia
Gymnocephalus
cernua
(Linnaeus
, 1758)
Ruffe
Upload your
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Pictures
|
Videos |
Google image
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
Classification / Names
आम नाम
|
उपशब्द
| Catalog of Fishes(
वर्ग
,
प्रजाति
) |
ITIS
|
CoL
|
WoRMS
|
Cloffa
>
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
पारिस्थितिकी
; स्वच्छ जल, अलवण जल
; खारा
बेनथोपिलाजिक; pH range: 7.0 - 7.5; dH range: 8 - 12; पोटामोड़िरोमस (Ref.
51243
);
गहराई सीमा
2 - 85 m (Ref.
121625
). Temperate; 10°C - 20°C (Ref.
13371
); 74°N - 43°N, 6°W - 169°E
वितरण
देश
|
ऐफ ऐ ओ क्षेत्र
|
Ecosystems
|
संयोग
|
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