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 ...

page 1 from 4