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Cuttlefish and Camouflage

Cuttlefish – Master of Camouflage

What makes the Cuttlefish so good at controlling its colour and blending in with its surroundings? This month scientists at Harvard University and the...
Helmut Jellyfish

Strange marine animals found around the Canary Islands

Marine conservation group Oceana finds amazing array of marine life in Canary Islands expedition, from shallows to down to 1000m. Using ROVs (remotely operated underwater vehicles) as well as scuba divers to shallow depths, they documented large colonies of deep-sea white coral, crystal aggregations of sponges, dense forests of black corals, oceanic puffers, giant foraminifera, carnivorous sponges and sharks, as well as many other biological communities and species in the south of the El Hierro Island.
octopus intelligence

The most intelligent invertebrate – what can the octopus do?

The octopus is believed to be the most intelligent of all invertebrates. As well as its relatively large brain, each of the octopus' eight...

New Hammerhead Shark Found

When the genetic make-up of globally distributed marine species are studied, it is often found that there are significant differences between populations. The differences...

Manage corals and minimise climate change

A better assessment of the threats to coral reefs along with improved management will give corals a much higher chance of survival in the...
Coryphella browni

Creature of the Month: Nudibranch, Coryphella browni

The nudibranch, or sea slug, is one of my favourite animals to spot underwater. They are often colourful little creatures, advertising their toxicity...
Manta Ray

Mantas and Tuna on Red List of Endangered Species

The latest update of The IUCN Red List of Threatened Species reveals two species of Manta Ray are vulnerable, and the situation is particularly serious for tunas. Among the marine species classified as critically endangered – the most serious risk category – are staghorn and elkhorn coral, the hawksbill turtle and the Mediterranean Monk Seal. The marine realm though is very poorly covered in the IUCN Red List, comprising less than 5% of the species included.
Mauve Stinger Jellyfish, Pelagia noctiluca, by Andrew Reay-Robinson

Killer Robots Slash Jellyfish

Korean researchers test jellyfish-killing robots. Jellyfish cause the fishing industry to lose money by breaking fishing nets. They sting swimmers. They block the seawater cooling systems of power plants. In 2009, a ten-ton Japanese trawler capsized after the three man crew tried to haul up a net loaded with jellyfish. But does chopping millions of jellyfish up solve the problems?
Okeanos

Exploring the Ocean with the Okeanos Explorer

The ocean is vast and has been greatly explored in the last decades. But there is still much to be discovered. With clear plans...
Dolphin by Tim Nicholson

Whales and dolphins have rich human-like cultures and societies

Whales and dolphins (Cetaceans) live in tightly-knit social groups, have complex relationships, talk to each other and even have regional dialects – much like...