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Articles on Fish

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FishSounds is an online database of recordings of the noises created by fish, like this Bocon toadfish. (Shutterstock)

Grunts, boops, chatters and squeals — fish are noisy creatures

Growing research shows that fish produce sounds that other creatures listen to to find food and avoid becoming prey. A new database compiles research on these fish sounds.
shutterstock

‘Life finds a way’: here’s how rainbowfish survive in Australia’s scorching desert

As climate change worsens, their findings highlight the importance of conserving natural river flows to enable freshwater species to respond and adapt.
Fishermen weigh a basket full of fish off the Indian ocean’s archipelago of Lamu on Kenya’s coast. Tony Karumba/AFP via Getty Images

How COVID affected markets and livelihoods in Kenya’s fisheries sector

COVID-19 greatly disrupted local market dynamics at landing sites, within the communities, and connections to more distant markets.
Steven Benjamin/Not for reuse

South Africa’s massive ‘sardine run’ leads fish into an ecological trap

Sardines from the cold waters off South Africa’s Atlantic coast are attracted to cold water upwelling in the Indian Ocean. When the upwelling ends, they are trapped in water that is too warm for them.
Environmental DNA is a promising tool for tracking species in freshwater ecosystems like Oregon’s Elkhorn Creek. Greg Shine, BLM/Flickr

Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams

Rivers are among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.

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