Fish

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Nighttime lighting affects guppies' daytime behaviour

2 days 17 hours ago By Annie Won

Being exposed to light during the night can cause changes in the behaviour of guppies, according to a new study published in the Scientific Reports journal.

Expedition finds three new snailfish species at extreme depths

2 weeks 13 hours ago By Annie Won

An expedition to the Atacama Trench, one of the deepest places on earth, has yielded video footage of three new species of snailfish, as well as a specimen of one of them.

Modifying design of culverts can help fish swim easier

2 weeks 5 days ago By Annie Won

Culverts have become a major part of our lives, allowing water to pass underneath a road, path, or some other structure.

A Matter of Sentience

1 month 1 week ago By Ila France Porcher

It was in 2003 that Dr Lynne Sneddon of the University of Liverpool found through rigorous scientific research that fish are sensitive to pain and suffer.

Young salmon may leap out of the water to get rid of sea lice

1 month 1 week ago By Annie Won

Why do young salmon leap out of the water, even when there are no obstacles in their way?

How the clownfish's stripes turn out the way they do

1 month 2 weeks ago By Annie Won

Clownfish, with their white stripes, are easily identifiable, despite the fact that the pattern and intensity of the coloration differ amongst the different species.

Philippine waters essential for whale sharks

2 months 2 hours ago By Annie Won

The Philippines plays host to the third largest known population of whale sharks, and is thus an important hotspot for the species.

Following the crowd can be deadly—if you are a stickleback

3 months 2 days ago By Annie Won

Parasites like the tapeworm alter their host’s behaviour to their own advantage.

'Marine heatwave' brings tropical fish to New Zealand

3 months 4 weeks ago By Scott Bennett

After a record-breaking hot summer, rare tropical fish from Australia have been spotted in New Zealand waters, lured across the Tasman sea by warm ocean temperatures.

Areas with the highest recovery potential are shown in red in the top picture. Areas with currently healthy reef fish stocks are shown in green in the bottom picture.

Areas of high recovery potential in Hawaii identified

4 months 4 hours ago By Annie Won

Researchers have identified areas in the Hawaiian Islands where proper management and conservation efforts would yield the greatest increase in coastal fishery stocks if they are managed effectively.

Invasive seaweed provides inadequate shelter from predators

4 months 6 days ago By Annie Won

Fish often use kelp forests to hide from potential predators. In recent decades, kelp forests have been taken over by invasive, turf-dominated seaweed species.

Genes from parents can help reef fish tolerate higher temperatures

4 months 1 week ago By Annie Won

In a recent study, reef fish exposed to higher temperatures for two generations have produced offspring that can tolerate warmer temperatures.

High carbon dioxide levels cause baby fish to lose their way

5 months 2 weeks ago By Annie Won

The larvae of some fish species and invertebrate depend on ocean sounds to direct them to places they are supposed to go, for instance, a sheltered location in shallow waters where they spend their juvenile or adult lives.

Deep-sea anglerfish mating ritual caught on video for the first time

6 months 6 days ago By Main Minion

A new video, captured in the waters around Portugal’s Azores islands, has stunned deep-sea biologists.

Larger reefs can help protect fish from climate change

6 months 1 week ago By Annie Won

Focussing their study on the reefs in the exclusive economic zones (EEZ) of nine Caribbean countries, a research team from the University of British Columbia's Institute for the Oceans and Fisheries assessed how warmer ocean temperatures affected

Fish at the Pearl and Hermes Atoll at Papahānaumokuākea Marine National Monument.

Fish born in marine reserves turn out larger and healthier

6 months 3 weeks ago By Annie Won

Some fishermen have viewed reserves where no fishing activities are allowed as an hindrance to their livelihood, but a recent study by the Florida Institute of Technology seems to disprove this perception.