Fishing selects small, shy fish for survival

Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent study by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) ...

Why aren't sea trout thriving anymore?

Sea trout get no peace. They're constantly exposed to new diseases and ailments, many of which are due to climate change and human activity.

Will lockdown loneliness make us loners?

Over the past few months at least half of the world's population has been affected by some form of lockdown due to COVID-19, and many of us are experiencing the impact of social isolation. Loneliness affects both mental and ...

Researchers discover new sex hormone

When University of Ottawa biologists Kim Mitchell and Vance Trudeau began studying the effects of gene mutations in zebrafish, they uncovered new functions that regulate how males and females interact while mating. We sat ...

Antidepressants polluting the water can change fish behavior

The Monash scientists who found that pharmaceutical pollutants in waterways altered reproductive behavior, anxiety levels, activity and antipredator responses of fish have now discovered for the first time that such toxicity ...

Manmade ruin adds 7,000 species to endangered 'Red List'

Mankind's destruction of nature is driving species to the brink of extinction at an "unprecedented" rate, the leading wildlife conservation body warned Thursday as it added more than 7,000 animals, fish and plants to its ...

Male fish can thank genes for colourful looks

Striking traits seen only in males of some species – such as colourful peacock feathers or butterfly wings – are partly explained by gene behaviour, research suggests.

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