Baseodiscus delineatus

Baseodiscus delineatus
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Size: 100 cm

Distribution: SA coastal and gulf waters west of the Coorong

Habitat: Rocky areas and reef under rocks

Depth: Lower intertidal to 10+ metres

Baseodiscus delineatus
Baseodiscus delineatus
Baseodiscus delineatus

This long ribbon worm is often found coiled into a tight ball. It is often found in or amongst rocks on rocky coastlines. With a unique appearance amongst South Australian worms, it has a cream body, with light brown lines down its length. These lines are broken and irregular, branching and converging here and there. One of the most commonly encountered ribbon worms on our coasts, this species is unlikely to be mistaken for any other. However, it is worth noting that this is probably a species complex, and will likely be broken out into several very similar species (with an unknown number occurring in SA) based on current and future research.