White Common Lobster Homarus Gammarus Lobsters communicate by peeing at each other. They have urine nozzles just under their eyes!
Common Spider crabs Maja brachydactyla Spider crabs camouflage themselves by sticking things to their carapace, including seaweed, sponges and anemones.
Small Spotted Catshark Scyliorhinus canicula Mermaid purses are shark eggs! They are laid by some catsharks and rays.
Common Star Fish Asterias Rubens Starfish can regrow lost arms, even if they only have a couple left.
Spiny Starfish Marthasterias Glacialis Starfish have an eye on the end of each arm allowing them to see light, dark and simple shapes.
Round Stingray Urobatis Halleri Not all rays have stinging barbs. Some rely on hiding in the sand for defence.
Whitetip Reef Shark Triaenodon Obesus Sharks have 6 senses. Their 6th sense is an electro-receptive sense. They can detect electrical impulses from muscles.
Devil's Hand Coral Lobophytum Sp Coral reefs cover less than 0.2% of our oceans but they contain 25% of the world’s marine fish species.
Small spotted Catshark Scyliorhinus Canicula Sharks have skeletons made of cartilage, which is lighter and more flexible than bone.
Cod Gadus Morhua Around 75% of the seafood we eat in the UK is made up of just 5 species: cod, haddock, tuna, salmon and prawns. There is more plankton in cold waters, because cold water contains more oxygen for them to breathe.
Red Lionfish Pterois Volitans Lionfish have stinging spines. The sting is extremely painful to humans but is rarely fatal.
White Common Lobster Homarus Gammarus If a lobster loses a claw or an eye, it is usually able to grow another, although the new one is usually smaller.
Pot Bellied Seahorse Hippocampus Abdominalis Seahorse dorsal fins beat 75-100 times a minute.
Pot Bellied Seahorse Hippocampus Abdominalis Seahorses are the only fish with necks and prehensile tails.
Lesser Curled Octopus Eledone Cirroha Octopuses have three hearts and blue blood.