Tenuilineus albocinctus (Bergendal, 1903)

Length up to 5 cm, width up to 2 mm (measurements uncertain). Body dorsoventrally flattened, whitish and somewhat translucent, with two white dorsal stripes running from nose to tail without touching each other. Rhynchocoel visible through body wall throughout entire body. Head rectangular and somewhat wider than body, with up to eight shining, orange red eyes along anterior margin. Mouth reddish, circular (in magnification star-shaped), located on ventral side beneath brain. Found in mixed bottom substrates, e.g. mud and algae, at a depth of at least 8 m.