Uncover the hidden gems of Croatia's cities. From ancient history to picturesque beaches, there's something for everyone.

Arapaima are the largest freshwater fish in South America—and a keystone species in the Amazon River ecosystem.

When looking to add fish to your regular diet, it's important to consider the safest options, so which type of fish has the lowest level of mercury?

A new paper published today, led by Chicago's Shedd Aquarium, reveals how volunteers across Illinois, Wisconsin and Michigan ...

Freshwater ecology is the study of all aspects ... by increasing accumulation in fish guts.

The first-ever camera trap study of the Central Cardamom Mountains Landscape has recorded 108 species, 23 of which are listed ...

Tonight will continue to see plenty of cloud around with very little in the way of clear spells. Mainly dry albeit isolated spots of light rain or drizzle may develop from the south-east. Sunday ...

Writer Bonnie Tsui travels to three Swiss cities to take part in the country's beloved tradition of river swimming.

Newborn fish are mistaking tiny bits of trash for food. If they die, there’ll be fewer big fish—and that could rattle the food chain. marine-plastic-ocean-fish-microplasticThe naturally oily ...

The first-ever camera trap study of the Central Cardamom Mountains Landscape has recorded 108 species, 23 of which are listed at risk (Vulnerable or above) on the IUCN Red List, underscoring the ...