Description: This hydroid forms straggly masses of fine tubular stems with pink polyps at the tips. The polyps consist of an elongate body bearing tentacles with knobbed tips scattered around the body in an irregular arrangement. Main stems measure 30mm in length and individual polyps about 3mm.

Habitat: Found attached to kelp fronds and rocks in shallow water exposed to strong tidal streams.

Distribution: Widespread around the British Isles.

Key Identification Features:

• Polyps with knobbed tentacles arranged irregularly on the outside of the body.
• A mass of fine tubular stems like miniature Tubularia larynx.

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

iNaturalist: Coryne eximia at iNaturalist World Species Observations database.

WoRMS: Coryne eximia at World Register of Marine Species. Accepted name: Coryne eximia Allman, 1859. AphiaID: 151860.

Classification: Biota; Animalia; Cnidaria; Medusozoa; Hydrozoa; Hydroidolina; Anthoathecata; Capitata; Corynidae; Coryne