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Amino acids and reef aquarium: Arginine
Arginine is essential amino acid for crustaceans, it cannot be synthesized by themselves (Cowey and Forster 1971). Arginine causes feeding response (including digestion) in stony coral but has a significantly delayed response (1-2 minutes). Activity is confined to the mouth region (Lehman and Porter 1973) Arginine is a major contributor to copepod and mysid... »
Amino acids and reef aquarium: Alanine
Alanine is not essential amino acid for crustaceans (Cowey and Forster 1971). Alanine can elicit synthetic food retention in sea anemone tentacles but not mouth opening or digestion (Nagai and Nagai 1973) Present in natural seawater and is readily utilized by pelagic heterotrophic organisms (Williams et al. 1976) Common marine diatom Nitzschia laevis can... »
Lysmata sp. and complete color change
I have never seen anything like this. I bought the shrimp pictured as a common Lysmata sp. with a dull red stripes. Two shrimp were purchased to take care of the growing Aiptasia population. As it so often happens with these type of Lysmata shrimp, I never saw the shrimps after introducing them into... »