A study on tropical fish sheds light on species invasions

Biodiversity, i.e., the variety of life forms on Earth, is in great danger. Human-driven climate change and intensive land use are altering ecosystems, and globalisation facilitates the transport of non-native species into ...

Male Trinidad guppies find food thanks to females

For male Trinidad Guppies applies: if you are hungry, seek female company. A recent study led by scientists of the the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) and the Leibniz Institute for Zoo and ...

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.

Light pollution makes fish more courageous

Artificial light at night makes guppies more courageous during the day, according to a behavioural study led by researchers from the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) and the Max Planck Institute ...

Where food is limited, guppy mothers gestate their young longer

Trinidadian guppy mamas can't swap links to maternity blogs or copies of pregnancy books, yet evolution has made them master strategists of childbearing nonetheless. A new study shows that guppies who live with so few predators ...

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