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As my Cardinal & Shrimp tank are next to the computer screen & phone I tend to watch the shrimps a lot.

Yesterday I saw one on a surf board (well a small Anubias nana leaf) which was high in the floating Water sprite. There must be a little current up there as soon as he got onto the leaf it started to glide across the tank, funny to watch.
That is not my only concern about the same time I was watching a big FM (dark red) It was arching her back and lifting her tail high underneath her body as if she was cleaning her tail. She then would straighten up then go back to the arching position. Then she took another position this would be equal to trying to do a hand stand. Both of these actions carried on for at least 5+minutes.

About 30 min later I saw two shrimps about 4-5mm at the same spot where all this action took place.

Was this the actions of the arrival of baby Shrimps?

What was I observing????

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Keith

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I have noticed my neocardinia shrimp doing the same arched-back behavior.
This is just an educated guess, but i presume that the shrimp are grooming themselves, as when i looked closely, it seems as if the shrimp are running their swimmerets through their mouthparts, maybe to pick up detritus that may have collected on them.

keith i know with cray fish this is a territorial display, dont knowif it has anything to do with shripm but crayfish and shrimp are related.

though i had crayfish or crawdads for awhile that i caought in a minnow trap for my oscar, and theyve would do that quite often to assert dominance and when breeding. i did manage to have them breed and got a batch of fry? not sure if that is proper term.