These are the ones that insisted on a gigantea:
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I'm not sure if these are wild or tank bred (which is why I added the little Bali Aquarich percula to them). They are also the ones who grow the slowest despite being in my largest tank.
My 3 other pairs which are for sure wild caught Solomon percula would go for crispas without too much hesitation.
Which anemone a clownfish prefers is not just a species specific thing but actually imprinted during the embryonic phase inside the egg. The little baby clownfish pick up the scent/chemical signature of their parents anemone species while still in the egg - and that is the type of anemone they will later look for to settle down in.
Most tank bred clowns don't get that imprint or, probably more importantly, the experience of being in an anemone from their early life stages on.
When I was breeding clownfish I made once a test and added a magnifica to a tank of 2 week old ocellaris. Their parents were living in a flowerpot so no imprint. Yet it took only a moment until all baby clowns were in the anemone.
So the key issue seems to be that they never saw an anemone in their early youth.
