Up to 700 kg Six facts worth knowing about the world's largest turtle
The leatherback turtle is the largest living turtle in the world. You can find out more exciting facts in this article.
marine animals
Hariotta avia Ghostly new shark species discovered in the deep sea
Less is known about the deep sea than about the moon. A newly discovered species of ghost shark is also very mysterious.
Study shows for the first time Octopuses cooperate with fish when hunting and even "share" the prey
A study shows that octopuses form hunting groups with different fish and coordinate them by striking them with their tentacles.
In the Salish Sea Study shows that ship noise hinders orcas' hunting
A new study has found that ship noise in the oceans disturbs orca whales enormously when hunting. ship noise hinders orcas
Cymothoa exigua This parasite replaces the tongues of fish
Some fish seem to have eyes on their tongues. The reason for this is quite disgusting. PETBOOK explains how and why this happens.
Constant regeneration 3 practically immortal animals
There are some animals which could be considered immortal. PETBOOK explains how these ingenious creatures renew themselves.
After the attack Expert: 'Orcas purposely sink sailing yacht!'
In this interview, skipper Thomas Käsbohrer reveals more about the attacks by orcas on boats off the coasts of Morocco, Spain and Portugal.
Significant decision Will Iceland finally ban whaling?
Will today be the end of whaling in Iceland? A marine biologist explains what that would mean for the country.