Home sealife invertebrates
Jewel Anenome

Jewels of the Sea grab animals with their 100 ball-tipped tentacles then paralyse them

A myriad of colour patches cover the rock when jewel anemones make it their home. These flower-like animals, up to 2.5 cm (1") across, catch...
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...
Lion's mane jellyfish

Giant Lion’s Mane Jellyfish is Creature of the Month

With tentacles up to three metres long and covered with stinging cells, it's better not to get too close to the Lion's Mane jellyfish....
Is it ok to eat squid?

Squid – the prawn cocktail of the 21st century – but is it OK...

Which squid can you eat with a clear conscience?

Stealthy cuttlefish use electric cloaking

Cuttlefish are renown for their tremendous camouflage capabilities - changing the colour and texture of their skin to match their surroundings. They have another weapon in their hide and seek armoury though - electric cloaking.
Deep sea octopus

Deep sea octopus broods eggs longer than any known animal – 4 years

Deep sea mother octopus looks after eggs for 4 and a half years - breaking records for any animal's brooding period.
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?
Crown of thorns starfish, COTS

Divers kill crown-of-thorns starfish with vinegar whilst scientists unleash starfish-killing robot

Divers are killing crown-of-thorns starfish by injecting them with vinegar. Meanwhile, scientists are testing using starfish-killing robots rather than divers.