Sea squirt -
Ciona intestinalis

Ciona intestinalis

Distribution in scandinavian waters

Maximum length: 15 (25) cm.
Appearance: The mantle has a bottle-green, yellow-green or a yellow to transparent colour. The insides are greenish in colour with a yellow, and in shallow water, a red pigmented tone. The siphon perimeters are lemon-yellow. The colour and appearance can vary greatly.
Depth: 0,5-500 m.
Environment: Ciona intestinalis is found attached to rocks, cliffs, algae, and on certain occasions even eel grass.
Classification: Ciona intestinalis belongs to the sea squirts group (Ascidiacea) under the chordates group.

Ciona intestinalis     Other names

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© Aquascope 2000   Tjärnö Marine Biological Laboratory, Strömstad, Sweden
Bo Johannesson | Martin Larsvik | Lars-Ove Loo | Helena Samuelsson