Anthopleura rosea

Anthopleura rosea, commonly known as the rose anemone or rock pool anemone, is a small pink anemone endemic to New Zealand.[1][2]

Anthopleura rosea
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Order: Actiniaria
Family: Actiniidae
Genus: Anthopleura
Species:
A. rosea
Binomial name
Anthopleura rosea
(Stuckey & Walton, 1910)

Distribution and habitat

A. rosea is found on the coast of New Zealand's North and South Islands but is more common in the South Island.[3]

It attaches to rocks and stones in rock pools and in fine gravel or coarse mud, usually in sheltered places.[3][4]

Description

This small anemone has a diameter of 5 millimetres.[1]

When underwater, it extends 48 short tentacles arranged in 3 whorls. These are a light pink colour with bands of white and brown. Some may have green or brown coloured tentacles due to the presence of a symbiotic algae known as zooxanthellae which may provide nutrition.[1][3]

Its column varies in colour from white, grey and green to bright orange. It is covered with white warts (verrucae) to which pieces of sand and shell become stuck.[3][4]

The oral disc is purple or white in colour with dark coloured rays that expand to its edges. Its mouth is brown that fades to white or yellow towards the margin.[4]

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References
  1. "Anemone, Rock Pool; Anemone, Rose". The Marine Life Database. Retrieved 24 April 2019.
  2. "Anthopleura rosea (Stuckey & Walton, 1910)". www.nzor.org.nz. Retrieved 27 April 2019.
  3. Mills, Sadie (2019). Adorable Anemones: a guide to the shallow water anemones of New Zealand. https://www.niwa.co.nz/files/Adorable_Anemones-v1.0-2019.pdf.CS1 maint: location (link)
  4. "Transactions and Proceedings of the New Zealand Institute, 1909. [electronic resource]". rsnz.natlib.govt.nz. Retrieved 2019-04-24.
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