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Sea Squirt Video Stock Footage
Ascidians are found all over the world, usually in shallow water with salinities over 2.5%. While members of the Thaliacea and Larvacea (Appendicularia) swim freely like plankton, sea squirts are sessile animals after their larval phase: they then remain firmly attached to their substratum, such as rocks and shells.
There are 2,300 species of ascidians and three main types: solitary ascidians, social ascidians that form clumped communities by attaching at their bases, and compound ascidians that consist of many small individuals (each individual is called a zooid) forming colonies up to several meters in diameter. Learn more about Sea Squirt
View related species in family group: Sea Squirt and Tunicate
Animalia: Chordata: Phlebobranchia: Ascidiacea: Ascidiidae: Ascidia ceratodes