Animals living in UK waters are fascinating but can also be enigmatic. Do you always know what you're looking at? Can you recognise these animals or their signs? And can you demonstrate superior know-how by answering the questions posed by Paul Naylor in his marine-life quiz?
1 a) Whose eyes are peering out from the crevice? b) Is their owner herbivore, carnivore or omnivore? br>
2 a) What is this sea urchin doing? b) Which related animals do you more often see doing this?
3 a) How might you know that a particular rock crevice houses an octopus? b) How does an octopus deal with its prey?
4 a) Whose baby is this, resting on the mooring buoy? b) What might you have seen its father doing?
5 a) What is this fish, with the ultra-sharp teeth? b) How many common species of this family are found in British waters?
6 a) What is this, trying to hide by simply turning away? b) What's special about its mouth?
7 a) What sort of animal has laid these eggs? b) Why would "Lonely Hearts" pages for them be so simple?
8 a) Whose eyes are looking out from the sand? b) What is its highly effective special method of defence? c) Which flatfish is sometimes said to mimic part of its appearance?
9 a) What lives in the burrow for which this fish is acting as a look-out? b) Name the fish.
10 a) What has this hermit crab just done? b) What was the original owner of the shell in which it is living?
11 a) What is this beautiful but fragile colonial creature? b) What would its orientation tell you? c) How old could it be?
12 a) What drilled the hole in this shell, and ate its owner? b) What is the common "driller-killer" in shallow rocky areas?
13 a) What made the round marks on this rock? b) How do they navigate back to them?
14 a) What is the male crab waiting for? b) What will the female be said to be some time afterwards?
15 a) Whose eggs are these, hanging in bunches? b) What is the sea anemone near them?
ANSWERS: 1 a) Velvet swimming crab, b) Omnivore; 2 a) Spawning, b) Starfish; 3 a) Crab shells and empty body parts around the entrance, b) Wraps its tentacles around it, pierces it with sharp jaws and injects poison; 4 a) Lumpsucker, b) Guarding the egg mass in very shallow water; 5 a) Goldsinny wrasse, b) Five wrasse species (including the goldsinny); 6 a) John Dory, b) It's telescopic; 7 a) A sea slug, b) You wouldn't need separate men's and women's sections! They're hermaphrodites and, while they can't self-fertilise, every encounter is a mating opportunity; 8 a) Lesser weever, b) Venomous dorsal spines, c) The sole's pectoral fin has a black tip said to mimic the weever's dorsal fin; 9 a) Scampi, Norway lobster, Dublin Bay prawn, langoustine (all the same!), b) Fries' goby; 10 a) Moulted its armour, which covers only the front part of its body, b) A whelk; 11 a) Pink sea-fan, b) The fans grow at 90° to the prevailing current, c) More than 100 years; 12 a) Necklace shell (or moon snail), b) Dog-whelk; 13 a) Limpets, b) Follow their slime trail; 14 a) For the female to shed her shell, when she will be ready to mate, b) "In berry" (carrying eggs); 15 a) Cuttlefish, b) Snakelocks anemone