Image of the Day: Flashlight Fish
Image of the Day: Flashlight Fish
The bioluminescent Anomalops katoptron can coordinate its schooling behavior after dark. 
Image of the Day: Flashlight Fish
Image of the Day: Flashlight Fish

The bioluminescent Anomalops katoptron can coordinate its schooling behavior after dark. 

The bioluminescent Anomalops katoptron can coordinate its schooling behavior after dark. 

fish behavior
Image of the Day: Fossilized Motion
Image of the Day: Fossilized Motion
Chia-Yi Hou | May 29, 2019
A fossil of a school of fish from the Eocene appears to represent coordinated collective movement.
Image of the Day: Belly Flop
Image of the Day: Belly Flop
Chia-Yi Hou | May 23, 2019
Watch a Munk’s devil ray breach.
The Mirror Test Peers Into the Workings of Animal Minds
The Mirror Test Peers Into the Workings of Animal Minds
Carolyn Wilke | Feb 21, 2019
Nearly 50 years after its development, only a handful of creatures have passed the self-awareness exam. A new attempt with fish highlights a debate over the test’s use and meaning.
<em>The Scientist</em>&rsquo;s Most Stunning Infographics of 2018<em>The Scientist</em>&rsquo;s Most Stunning Infographics of 2018
The Scientist’s Most Stunning Infographics of 2018
Jef Akst | Dec 21, 2018
From cellular self-digestion to the effects of exercise on the brain, our features editor picks her favorite art custom-made for the magazine.
Infographic: Swimming After Eating
Infographic: Swimming After Eating
Ashley Yeager | Jul 1, 2018
How a meal affects minnows' positions in their schools
Satiated Fish Swim at the Back of the Pack
Satiated Fish Swim at the Back of the Pack
Ashley Yeager | Jul 1, 2018
Digesting a big meal takes energy, forcing some minnows to swim in spots at the rear of a school.
Image of the Day: Performance Anxiety
Image of the Day: Performance Anxiety
Sukanya Charuchandra | Jun 21, 2018
In the presence of competition, archerfish become more hesitant but accurate shooters.
Plastic Pollutants Can Harm Fish
Plastic Pollutants Can Harm Fish
Tracy Vence | Jun 6, 2016
European perch larvae exposed to environmentally relevant concentrations of polystyrene particles preferred to eat the microplastics in place of prey, according to a study.
Musical Scales
Musical Scales
Kerry Grens | Sep 1, 2015
The quest to document an ancient sea creature reveals a cyclical chorus of fish songs.