Английская Википедия:Berthella ornata

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Файл:Berthella ornata, Ornate side-gilled sea slug swimming at Princess Bay Wellington Aug 2016.jpg
Ornate side-gilled sea slug swimming

Berthella ornata is a species of sea slug, a marine gastropod mollusk in the family Pleurobranchidae.[1] It is sometimes called the ornate side-gilled sea slug.

Description

This is a distinctive pleurobranch up to Шаблон:Convert in length, the dorsal surface bearing reddish or brownish spots overlaying an opaque background that can vary from white to dark red or brown. A shell up to Шаблон:Convert is hidden under the smooth mantle, which is white at the margin, the foot and gill are also white. The rhinophores are brown with white tips. B. ornata is slow moving and feeds on sponges at night, often emitting a milky fluid if disturbed. It is usually found hiding under boulders and stones during the day, with the head and rhinophores retracted under the mantle.[2]

Distribution

Endemic to New Zealand, where it is becoming less common. It is found at low tide through the sub-littoral fringe down to 6 metres deep.

References

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  1. Шаблон:Cite WoRMS
  2. Cook, Steve De C., “New Zealand Coastal Marine Invertebrates Vol 1”, Canterbury University Press, NZ 2010, ISBN 978-1877257-60-5