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Phylum Arthropoda > Subphylum Crustacea > Class Malacostraca > Order Decapoda > prawns and shrimps >
Family Paleomonidae > Genus Periclimenes
Five-spot anemone shrimp
Periclimenes brevicarpalis
Family Palaemonidae
updated Oct 13
Where seen? This chubby shrimp with black-ringed orange spots on its tail is often seen in large sea anemones on many of our shores. Usually a pair are seen in one anemone. Elsewhere, seen from 1-5m deep. It is also sometimes called the Clown anemone shrimp or Peacock tail anemone shrimp.

Features: To about 4cm. Body almost transparent, especially the smaller male. Pincers long transparent with purple bars. The female is often larger and more brightly marked with more and larger white spots on the back, along the abdomen and the base of the tail. The male may be totally transparent except for the eyespots on the tail. Some also have a white tail and a white bar between the eyes like the female. In both the male and female, the tail has 5 black-ringed orange eyespots.

At low tide, they are more easily spotted at night when they are still somewhat active. During the day, they often remain hidden under the anemone.

We have seen these shrimps with these large sea anemones: Giant carpet anemones (Stichodactyla gigantea), Haddon's carpet anemones (Stichodactyla haddoni), Magnificent anemones (Heteractis magnifica), Leathery anemone (Heteractis crispa), Pizza anemone (Cryptodendrum adhaesivum).

Rarely, False clown anemonefishes (Amphiprion ocellaris) are also found together with the anemone shrimps on the same anemone. They don't seem to bother one another.

Does it 'clean' fish? A filefish was once observed close to an anemone shrimp for some time. Could it be expecting the shrimp to clean it?

What does it eat? Anemone shrimps do not appear to eat the host anemone or off the anemone's fluids. Instead, they are believed to shelter in the anemone for protection and may feed on left overs. The shrimps have often been seen "hanging" over the edge of their anemone home with their pincers extended.

Kusu Island, May 07



Five black-ringed orange spots on the tail.

The male often smaller and more transparent.



This filefish appeared to be
presenting itself to the shrimp
Pulau Sekudu, May 05

'Locked out' of its
sea anemone at low tide!
Kusu Island, Jul 04

Sometimes, both anemone shrimps and
anemonefishes share the same anemone.
Pulau Hantu, Jul 07


In a Haddon's carpet anemone
Kusu Island, Jul 04

In a Magnificent anemone
Pulau Hantu, Apr 04

In a Giant carpet anemone
Sentosa, Jun 07


On a pizza anemone.
Kusu Island, Jun 10
Photo shared by Loh Kok Sheng on his blog.

On a leathery anemone.
Kusu Island, May 10
Photo shared by Marcus Ng on his flickr.

On a snaky anemone.
Cyrene Reef, May 11

Five-spot anemone shrimps on Singapore shores

Photos for free download from wildsingapore flickr
Distribution in Singapore on this wildsingapore flickr map

video clips and more photos of five-spot anemones shrimps on Singapore shores

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References

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