Strange behaviour

Bloomjack

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I have 3 of these orangey yellowy fish (sorry dont know their names) and two of them sometimes go side by side to each other and then one of them like nose dives the gravel a couple of times and pull up some gravel and drop it back down again. Then they sort of shiver then swim away together.

What are they doing?
 
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Bloomjack

Fish Fanatic
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Feb 21, 2005
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Location
Essex, UK
Here they are:




here is one of them in a little area where it has dug out:


 
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