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Description of Victorella pavida
This creature looks more like a plant than an animal. It...
Description of Zeugopterus punctatus
Zeugopterus punctatus is a left-handed flatfish with its eyes on the...
Description of Zeus faber
Body tall and laterally compressed like an oval plate. Between 30-70...
Description of Venus verrucosa
Venus verrucosa is a bivalve mollusc with equally sized valves that...
Description of Tubularia indivisa
A large hydroid 10-15 cm in height with a solitary polyp....
Description of Ulva linza
Ulva linza is a large, ribbon-like species of green seaweed that...
Description of Umbonula littoralis
Colonies form large orange crusts that spread irregularly and are often...
Description of Trapania pallida
A sea slug that grows up to 15 mm in length....
Description of Tricolia pullus
A small (up to 9 mm x 5 mm), conical or...
Description of Tridonta montagui
The shell of Tridonta montagui is broadly oval in outline, with...
Description of Tritonia nilsodhneri
A slender sea slug that grows up to 34 mm. It...
Description of Thuiaria thuja
Colony 5-25 cm high, with a narrow, cylindrical brush shape. Short,...
Description of Todaropsis eblanae
A relatively small squid between 13-22 cm in length with a...
Description of Trapania maculata
A long and slender sea slug that grows up to 17...
Description of Tenellia adspersa
A tiny nudibranch with few finger-like protrusions, arranged in groups of...
Description of Suberites massa
Suberites massa is a massive hemispherical sponge, bright orange or whitish-yellow...
Description of Syngnathus acus
Body slender and elongate, light greenish to dark brown in colour...
Description of Tamarisca tamarisca
A colonial hydroid that grows up to 15 cm or more....
Description of Sternaspis scutata
Sternaspis scutata is a stout burrowing worm, whitish-grey in colour, with...
Description of Stiliger bellulus
A sea slug that can grow up to 1 cm in...
Description of Strigamia maritima
Strigamia maritima is a centipede, its worm-like body is divided into...
Description of Spatangus purpureus
A large, spectacular, violet coloured heart urchin that grows up to...
Description of Spisula elliptica
A broadly oval shell, equilateral with fine concentric grooves and clear...
Description of Semibalanus balanoides
Semibalanus balanoides is the most widespread intertidal barnacle in the British...
Description of Sepia elegans
Body elongate-oval, with a maximum mantle length of 9 cm. The...
Description of Sepia orbigniana
A fairly small cuttlefish, up to 12 cm in length, with...
Description of Sepietta oweniana
A small cuttlefish between 35-50 cm in length, with an ovoid...
Description of Sepiola atlantica
A plump, rounded cuttlefish small in size of up to 6...
Description of Sepiola rondeleti
Sepioloa rondeletii is a small cephalopod of up to 6 cm...
Description of Scoloplos armiger
Scoloplos armiger reaches lengths of 12 cm with 200 or more...
Description of Saccorhiza polyschides
Saccorhiza polyschides is kelp species with a distinctive large warty holdfast...
Description of Raja undulata
The undulate ray Leucoraja circularis is a moderately sized skate and...
Description of Reinhardtius hippoglossoides
Reinhardtius hippoglossoides is a right-handed flatfish, which means it lies on...
Description of Rissoa parva
Rissoa parva is a small snail up to 5 mm high...
Description of Rossia macrosoma
Rossia macrosoma is a small cephalopod of up to 6 cm...
Description of Pterosiphonia pennata
Pterosiphonia pennata is a small brownish-red seaweed up to 8 cm...
Description of Raja microocellata
Raja microocellata is a small skate and can grow up to...
Description of Pomatoschistus pictus
Pomatoschistus pictus is a small elongate goby reaching only 6 cm...
Description of Porcellana platycheles
This small hairy crab (up to 15 mm in length) has...
Description of Procerodes littoralis
Procerodes littoralis is a small free-living flatworm that reaches up to...
Description of Prostheceraeus vittatus
Prostheceraeus vittatus is such a striking flatworm that it cannot be...
Description of Protanthea simplex
A small delicate sea anemone, usually found with outstretched tentacles. The...
Description of Polydora ciliata
A sedentary, burrowing polychaete worm up to 3 cm long and...
Description of Polydora ciliata
Polydora ciliata usually burrows into substrata containing calcium carbonate such as...
Description of Polyprion americanus
Polyprion americanus has a deep and robust body that can reach...
Description of Polysiphonia lanosa
A small reddish-brown filamentous alga most commonly associated with the fucoid...
Description of Phycodrys rubens
A small red alga, up to 15 cm tall, with a...
Description of Phellia gausapata
An anemone, unlikely to be confused with other sagartiids, with a...
Description of Philine aperta
Philine aperta can grow up to 7 cm long, 3.5 cm...
Description of Phoca groenlandica
The harp seal Phoca groenlandica is member of the 'true seal'...