Diseases and Parasites
(
Anglèis
)
fornì da Fishbase
Esocid lymphosarcoma retro-VLP. Viral diseases
Diseases and Parasites
(
Anglèis
)
fornì da Fishbase
Pike epithelial proliferation retro-VLP. Viral diseases
Life Cycle
(
Anglèis
)
fornì da Fishbase
Some experts believe that some form of copulation happens during breeding of this species. The female turns on her side to expose her abdomen to the male who then swims against her in a forceful movement. Aftewards, the female takes a rest and deposits her eggs in the sand. This whole activity is presumably repeated one more time (Ref. 205). Other experts believe otherwise, that only a simple and simultaneous discharge of gametes happens during breeding (Ref. 205).
Trophic Strategy
(
Anglèis
)
fornì da Fishbase
Lives in clear vegetated lakes, quiet pools and backwaters of creeks and small to large rivers. Solitary, lurking hunter on other fishes as well as on ducklings, muskrats, and snakes.
Biology
(
Anglèis
)
fornì da Fishbase
Lives in clear vegetated lakes, quiet pools and backwaters of creeks and small to large rivers (Ref. 205, 10294). Solitary, lurking hunter on other fishes as well as on ducklings, muskrats, and snakes. Oviparous, spawn in spring as the ice melts (Ref. 205).
Importance
(
Anglèis
)
fornì da Fishbase
fisheries: commercial; aquaculture: commercial; gamefish: yes; aquarium: public aquariums