Ancylocaris brevicarpalis (Schenkel, 1902)

We see this shrimp most often on the anemones Cryptodendrum adhaesivum, Stichodactyla haddoni, Actinodendron arboreum, and A. plumosum, although it can also occur on Macrodactyla doreensis, Stichodactyla mertensii, Heterodactyla hemprichii, and probably others. Generally a large female, often bearing eggs, and a smaller (or at least thinner) male inhabit a single anemone. The pair immediately below is in a Stichodactyla haddoni.

The egg-bearing female below is on an Actinodendron plumosum fire anemone. These anemones pack quite a sting, but it doesn't seem to bother the shrimp.

Below, the shrimp lives in a Macrodactyla doreensis.

Other shrimp living in anemones include Ancylomenes tosaensis, Gnathophyllum americanum, and Thor amboinensis.

Created 1 September 2010

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