Polski
Tag Archives: fish
Drugs in surface water – a hidden threat to ecosystems
The test results of rivers and lakes are increasingly confirming the presence of not only [...]
May
Polish waters in increasingly worse condition. Beata Olejarz, president of PZW, on the scale of the problem
Polish waters are no longer just losing their quality. They are also increasingly losing their [...]
Mar
One in five fish products is a fraud
Do you think you are buying canned tuna or wild Pacific salmon? That may not [...]
Feb
Conflict over cormorants in the Opole region – ecologists question approval for culling
The Regional Nature Conservation Authority in Opole has granted permission to kill 361 cormorants due [...]
Jan
Even small doses of pesticides shorten fish lifespans
Modern agriculture uses pesticides to protect crops from pests and minimize economic losses. Compounds lethal [...]
Jan
What do fish and amphibians do in winter?
Overwintering in water seems obvious, yet most amphibians and reptiles (apart from the “armored frog”, [...]
Jan
Spring spawning of freshwater fish and their unusual survival strategies
Spring fish spawning is a new beginning for many freshwater and migratory species. Giving birth [...]
May
Spring spawning of freshwater fish
April is an important month in the calendar for many fish, so also for anglers [...]
Apr
Can fish recognize humans? Yes, but under one condition…
German scientists set out to investigate whether and under what circumstances wild fish can recognize [...]
Feb
Do fish recognize people? Yes, but on one condition…
German scientists decided to study whether and under what circumstances wild fish recognize humans who [...]
Feb
