The Planted Tank Forum - View Single Post - why is my amano orange?
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post #18 of (permalink) Old 11-13-2012, 07:48 AM
Planted Tank Obsessed
Join Date: Jan 2005
Location: MA
Posts: 337
It's definitely not a Palaemonetes ghost shrimp -- the body form is clearly atyid. I'd say it's some non-Amano species of Caridina. The rostrum and cephalothorax don't seem to indicate C. thambipillai -- this is the actual name of orange/"sunkist" C. cf. propinqua -- to me. The resemblance in coloration is probably just superficial -- it seems like its dietary or otherwise environmentally induced even in C. thambipillai (captive-bred F2s are more transparent).

The muscle tissue looked a little hazy in your first pic. If it gets to be opaque, the shrimp is almost surely on the way out.
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