Description: A tiny worm-like anemone up to 40mm long and 2mm diameter, usually about 15mm x 1mm. Up to 16 very long (relative to disc size) tentacles. Transparent, more or less patterned with white as in illustration.

Habitat: Habitat similar to Edwardsia ivelli, Nematostella vectensis may be very abundant if present.

Distribution: Known from several southern counties: Dorset, Hampshire, Sussex, Suffolk and Norfolk, although it has become extinct in several localities as a result of loss of habitat and pollution. Also known from North America (both coasts) and from Canada.

Similar Species: Compare with Edwardsia ivelli.

Key Identification Features:

• Very small size. Habitat in saline lagoons, etc.

Distribution Map from NBN: Nematostella vectensis at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Nematostella vectensis at iNaturalist World Species Observations database.

WoRMS: Nematostella vectensis at World Register of Marine Species. Accepted name: Nematostella vectensis Stephenson, 1935. AphiaID: 100906.

Classification: Biota; Animalia; Cnidaria; Anthozoa; Hexacorallia; Actiniaria; Anenthemonae; Edwardsioidea; Edwardsiidae; Nematostella