Trinchesia caerulea

Trinchesia caerulea is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Trinchesiidae.^[2]

Trinchesia caerulea
Trinchesia caerulea, Mediterranean form
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Nudibranchia
Suborder:	Cladobranchia
Superfamily:	Fionoidea
Family:	Trinchesiidae
Genus:	Trinchesia
Species:	T. caerulea
Binomial name
Trinchesia caerulea (Montagu, 1804)[1]
Synonyms
Doris caerulea Montagu, 1804 Cuthona caerulea (Montagu, 1804)

Distribution

This species was described from Devon, England. It has been reported from the NE Atlantic from Norway south to Portugal and in the Mediterranean Sea. Records from Brazil and Florida probably represent a different species.^[3][4]

The nudibranch Trinchesia caerulea, Strangford Lough, County Down, Northern Ireland.

Description

The typical size of this species is 10–15 mm and the maximum recorded length is 26 mm.^[5]

Habitat

Found from the intertidal zone to 270 m.^[5] Trinchesia caerulea feeds on hydroids of the genus Sertularella.^[3]