Spawn masses, diameter c. 5 mm. Breeds January to May in Britain. Spawn deposited in diagnostic gelatinous rings, usually whitish or yellowish, occasionally green or pink, containing 1000 – 1200 ova. After 2 – 3 weeks, ova swell and burst releasing veliger larvae; common constituent of plankton. All adults die after breeding, so only juveniles found in summer.
Menai Strait & west coast Anglesey, Wales, March 2014.
Full SPECIES DESCRIPTION: flic.kr/p/gTkfF4
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