What's the carbon footprint of owning pet fish? An expert explains

New research reveals the environmental impact of keeping tropical fish as household pets – but there are ways to reduce it.

William Perry, Postdoctoral Research Associate at the School of Biosciences, Cardiff University • conversation
Sept. 26, 2023 ~7 min

Invasive rats are changing fish behaviour on coral reefs – new study

Rats are disrupting the flow of nutrients towards the sea on many tropical islands – this has consequences for fish behaviour and the wider ecosystem.

Rachel Gunn, Postdoctoral researcher in the Animal Evolutionary Ecology, University of Tübingen • conversation
Jan. 9, 2023 ~7 min


Sleeping fish? From sharks to salmon, guppies to groupers, here's how they grab a snooze

Just about every creature on Earth needs to grab some Zs from time to time. Imagine trying to doze while dodging great whites and killer whales.

Michael Heithaus, Executive Dean of the College of Arts, Sciences & Education and Professor of Biological Sciences, Florida International University • conversation
Sept. 5, 2022 ~6 min

A tropical fish evolved to endure rising temperatures – but it may not be fast enough to survive climate change

Species can evolve to tolerate higher temperatures – but there's a ceiling beyond which adaptation isn't possible.

Rachael Morgan, Postdoctoral Research Associate in Ecophysiology, University of Glasgow • conversation
Dec. 15, 2020 ~5 min

Mauritius oil spill: how coral reefs, mangroves and seagrass could be affected

Marine wildlife rarely remain in one habitat. Most species rely on a healthy network of ecosystems to raise their young and catch their food.

Ronan Roche, Research Fellow in Marine Science, Bangor University • conversation
Aug. 25, 2020 ~6 min

Tropical fisheries: does limiting international trade protect local people and marine life?

Without understanding which fish species and habitats local fishers rely on, export bans can do more harm than good.

Nick Graham, Professor of Marine Ecology, Lancaster University • conversation
March 12, 2020 ~6 min

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