Articles on Fish

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Most species of tiny coral reef fish are overlooked because of their small size. Now, their importance for coral reef ecosystems has put these fish and their unique way of life in the limelight. Sinclair-Taylor Tane

Snack-sized ‘candy’ fish explain a coral mystery

New research reveals that miniature, brightly coloured fish play an outsized role in the marine food chain in coral reefs.
Fish fences are typically positioned on tropical seagrass meadows, which are important ecosystems for fish communities and the health of neighbouring habitats. Benjamin Jones/Project Seagrass

Small-scale fisheries have unintended consequences on tropical marine ecosystems

To ensure overall biodiversity, the intensity and impact of small-scale fisheries' methods needs far more attention.
A school of juvenile bocaccio in the midwaters of Platform Gilda, Santa Barbara Channel, Calif. Scott Gietler

Retired oil rigs off the California coast could find new lives as artificial reefs

Californians love their coast and strongly oppose offshore drilling. Will they support converting old oil rigs to artificial reefs – a policy that benefits both marine life and oil companies?
Climate change could further stress species such as Atlantic cod that already are threatened by overfishing. Vladimir Wrangel/Shutterstock

How is climate change affecting fishes? There are clues inside their ears

Tiny calcified formations inside fishes' ears can be used to trace a fish's life history – and potentially, how climate change has affected its growth and development.
A report has found the causes of mass fish deaths in the Darling river. Dean Lewins/AAP

We wrote the report for the minister on fish deaths in the lower Darling – here’s why it could happen again

Fish deaths at the lower Darling can happen again. Here's what we can do about it.

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