Trinchesia caerulea (Montagu, 1804)
Cuthona caerulea (Montagu, 1804)
Photographer / copyright holder
Distribution and status
Ecology and behaviour
- Cerata have green digestive gland and swollen white or yellow internal cnidosacs filling tips, (Don’t confuse with surface pigment).
- White or pale yellow pigment marks on front of cerata, and, sometimes, in a thin indistinct subterminal ring.
Key identification features
Taxon version key
A variable species, but all forms have intermediaries.
Body (excluding appendages)