Apart from beluga and narwhals, bowhead whales are the only whale species that can migrate far into the pack ice of the Arctic Ocean. With their reinforced upper jaw and arched back of the head/back, the animals can seemingly effortlessly break through the pack ice to...
Orcas live in clans led by a female. Depending on whether they are Residents or Transients, the members are more or less closely related to each other. Theoretically, therefore, menopause should occur less or not at all in the leader. But the researchers were wrong....
This image from the work of John Sparks and David Gruber shows a young snailfish under normal light (top) and under blue light, which stimulates fluorescence. It is shown that the body and head glow green and the adhesive disc and fins glow red. The reasons why they...
Humpback whales are known for their sophisticated hunting and feeding strategies. In particular, setting nets of air bubbles to capture fish and herd them to the surface is one of the most interesting strategies of these giant marine mammals. Another feature that...
Antarctic krill (Euphausia superba) The Antarctic krill Euphausia superba plays a key role in the Antarctic ecosystem, as most of the animal species of the Southern Polar Sea feed on it. Therefore, an understanding of its distribution and its complex life cycle is...
