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  references
Fish Watcher
Verwante soorten
Soort(en) in
  
Gymnocephalus
Soort(en) in
  
Percidae
- Classificatie -
Percinae
Percidae
Perciformes/Percoidei
Teleostei
Chordata
Animalia
Gymnocephalus
cernua
(Linnaeus
, 1758)
Ruffe
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Pictures
|
Videos |
Google afbeelding
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.
Estonia country information
Common names:
Harilik kiisk
,
Kiisk
,
Ruff
Occurrence:
native
Salinity:
freshwater
Abundance:
abundant (always seen in some numbers)
|
Ref:
Ojaveer, E. and E. Pihu, 2003
Importance:
commercial
|
Ref:
Anonymous, 1999
Aquaculture:
|
Ref:
Regulations:
|
Ref:
Uses:
no uses
Comments:
Commercially taken from Lake Peipus (Ref. 33247). Abundant in the Gulf of Riga and common in Gulf of Finland (Ref. 52079).
National Checklist:
Estonian checklist - Fish
Country Information:
https://www.cia.gov/library/publications/resources/the-world-factbook/geos/en.html
National Fisheries Authority:
Occurrences:
Occurrences
Point map
Main Ref:
Anonymous, 1999
National Database:
Estonian Vertebrates
Common names from other countries
Grémille
,
Acerina
,
Ерш обыкновенный
,
... more
Classificatie / Names
Lokale namen
|
Synoniemen
| Catalog of Fishes(
Genus
,
Soort(en)
) |
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
Ecologie
; zoet water
; brak water
benthopelagisch; pH range: 7.0 - 7.5; dH range: 8 - 12; potamodroom (Ref.
51243
);
diepte
2 - 85 m (Ref.
121625
). Temperate; 10°C - 20°C (Ref.
13371
); 74°N - 43°N, 6°W - 169°E
Verspreiding
Landen
|
FAO regio's
|
Ecosystemen
|
Voorkomen
|
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