For the first time, animal researchers have shown that a non-human animal shows some type of mental capacity for ...

Thousands of species have evolved this amazing capability. Some are genetically programmed to experience a mid-life switch, ...

Cleaner wrasse use their reflection to build a mental image of their body size, which they use to compare themselves to ...

Tanaka is on a team of Maui fishers and marine resource advocates who are working to reshape reef fishing regulations through ...

Bluestreak cleaner wrasse are small, territorial fish that aggressively fend off intruders. But when they have access to a ...

Cleaner fishes can gain a mental image of their own size compared to other fishes by looking in a mirror, according to a new ...

"Cleaner fish will be the first non-human animals to be shown to possess private self-awareness," the researchers said.

A FISH species examines itself in the mirror before deciding whether to fight in what scientists call the first instance of animal self-awareness. The bluestreak cleaner wrasse is native to the ...

Flies that look like bees, worm-turtles, mimic cats, and other masters of mimicry. The charming creatures in the picture ...

ISTOCK / GETTY IMAGES PLUS Bluestreak cleaner wrasses defend their "cleaning stations," with conflicts potentially arising if another cleaner wrasse enters their territory. Additionally ...

Rachel Nuwer is a freelance science writer based in Brooklyn. Cannibals have weighed in with different opinions. Some say it tastes like pork, while others say like veal—and still others say ...

Very few species have demonstrated these behaviors: great apes, bottlenose dolphins, orcas, manta rays, Eurasian magpies, domestic pigeons, and cleaner wrasses. In 2021, scientists reported seeing ...