Balanoglossus australiensis

Balanoglossus australiensis is a species of 20 cm long acorn worm in Ptychoderidae family which can be found in Gulf of Carpentaria, New Zealand, Australian cities such as Hawkesbury and Manning as well as Solomon Archipelago and its sea. Their habitat consists of 8 - 10 in deep sandy burrows where they feed on Ubius species.