Similar thing happened to my Maroon clown pair after years and years of marriage. The female turned on the male and attacked him until he hid in a corner. I put him in the sump but he did not survive.
I don't know if it's the female's response to no offspring after a while, or the female senses the male is in poor health so she kicks him out. Nature taking its course one way or another.
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120 gallon sps/anemones/LPS reef since 2004
Apex controller
8 x 54 watt T5 PowerModule
Herbie's silent overflow system
Jebao DC 12000 return pump
Jecod CP-40 Cross-flow circulation device
Mini Bubble King 180
Barr Aquatics calcium reactor
Bucket fuge
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