The often remade song “He Ain’t Heavy… He’s My Brother” probably owes a good deal of its enduring popularity to its depiction of the loving familial bond between two siblings - one aiding the other despite…
Rainbowfish embryos – at only four days old – can smell predators such as goldfish.
Benson Kua
Rainbowfish embryos, as young as only four days after fertilisation, are able to smell potential predatory threats, a new study by Australian researchers has found. Published today, the findings show these…
Finding Entelognathus is a revelation comparable to the discovery of Archaeopteryx.
Brian Choo
A spectacular new “missing link” fossil has been unearthed in China. The 419 million year old armoured fish, called Entelognathus, meaning “complete jaw” solves an age-old debate in science. For palaeontologists…
The deliberate act of falsely representing, labelling or advertising food, known as “food fraud”, is not a recent phenomenon. The deceitful adulteration of food has a long history based on the promise…
Who’s in charge here? Fish adapt to their new roles.
Shinnosuke Nakayama
In our society, not many people are lucky enough to have an ideal boss who they would want to follow faithfully for the rest of their lives. Many might even find their boss selfish and arrogant or complain…
Contaminated during the surrounding area’s history of mining, the River Hayle in Cornwall contains metals including copper, zinc, nickel and cadmium at levels that can kill brown trout, a particularly…
The Spotted Handfish (Brachionichthys hirsutus) is a small fish that lives on the sea bed in the cool, sheltered waters of south-east Tasmania. It has modified pelvic fins that look like “hands”, hence…
A reconstruction of a ptyctodontid fish, one of the groups of placoderms studied from which well-preserved muscles were found.
John A Long
Fossilised soft tissues, such as skin and muscle, are exceptionally hard to come by. When you think the chances of an animal being fossilised is less than one in a million - and these usually have only…
Left: environment of the early tetrapod (Acanthostega) and tetrapodomorph fish (Eusthenopteron). Right: the axolotl and Australian lungfish.
Catherine Boisvert
Around 395 million years ago, the first tetrapod (four-legged animal) wandered out of its watery home and stepped onto land. This was made possible by the evolution of weight-bearing hips consisting of…
In the hold, but for how long? Wasting millions of tonnes of seafood is a tragedy.
Maurice McDonald/PA Archive
In European waters controlled by the EU Common Fisheries Policy, the discarding of fish overboard has long been condemned by environmentalists and regretted by fishers. According to the UN Food and Agriculture…
Medicine residues that we flush down the toilet can affect fish and other wildlife.
Chris Ison/PA
It’s not a thought that occurs to most of us, but flushing the toilet doesn’t just mean disposing of our bodily waste. We’re also flushing away some of the medicine we take down with it. Our contraceptive…
The Red-finned Blue-eye (Scaturiginichthys vermeilipinnis) grows to a maximum of three centimetres long. As males reach adulthood they develop the vivid colouration suggested by their common name. In contrast…
Executive Director and Professor of Fisheries and River Management, Gulbali Institute (Agriculture, Water and Environment), Charles Sturt University, Charles Sturt University