The Mirror Test Peers Into the Workings of Animal Minds
The Mirror Test Peers Into the Workings of Animal Minds
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.
The Mirror Test Peers Into the Workings of Animal Minds
The Mirror Test Peers Into the Workings of Animal Minds

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.

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.

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.
<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.
A Fishy Chorus
A Fishy Chorus
The Scientist Staff | Sep 1, 2015
Watch the coelacanth documentary that fish biologist Eric Parmentier and filmmaker Laurent Ballesta were making when they discovered and recorded a world of undersea sound.
Musical Scales
Musical Scales
Kerry Grens | Sep 1, 2015
The quest to document an ancient sea creature reveals a cyclical chorus of fish songs.