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Tigershark

Shrimps ID help!

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Is it possible to aid in the identification of these three shrimp?

I apologize for the quality of the photos, are crop, blurry and badly lit.

Photos taken at Walea in Indonesia.

 

Shrimp 1

 

post-15186-1267805318.jpg

 

Shrimp 2

 

post-15186-1267805335.jpg

 

Shrimp 3

 

post-15186-1267805351.jpg

 

Thanks in advance,

Tigershark

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The first one is a hippolytid, the third is commonly identified as Hippolyte commensalis. 2nd one I haven't seen before. There are two other crustaceans in the 2nd shot - right below the shrimp is what seems to be a cumacean and another pod at about 10:30. Would you mind cropping & enlarging the 2 others? I'd like to have a better look at them.

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Hi Leslie,

Thanks for the help.

The definition is not very good, but it was the best I could in these crops.

Hope that helps.

 

post-15186-1267889271.jpg

 

 

 

post-15186-1267889442.jpg

 

 

 

 

post-15186-1267889538.jpg

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Thanks! The first is definitely a cumacean, the second is a copepod with 2 clumps of eggs attached to its posterior, and the third is a femlae caprellid amphipod (commonly known as skeleton shrimp). The caprellid is bent backwards; its hind legs are at the top, the head with 1 yellow eye showing is at the bottom, and inbetween is the brood pouch with eggs.

 

Cumaceans are small crustaceans with a very characteristic body shape. The anterior part of the body is large compared to the abdomen which is reduced to a jointed cyclinder. See http://www.flickr.com/photos/olafial/211822907/ or

http://eol.org/pages/39771

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