Tetrastemma vermiculus has records from many places; Russia and Scandinavia as well as U.K, U.S. and European atlnatic coasts. Maybe it is a circumglobal species, or maybe there are cryptic species.
World Register of Marine Species tarafından sağlandı
generally for group, they are carnivorous; in some cases only the body juices are ingested but the whole prey may be taken in. feed on protozoans, other microfauna and at times prey their own size
