Need help indentifing pics included

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i have no clue of what these corals are.....

this one is purple

I think a Antler coral not to sure

pls help me out and does anyone know whats eats pulsating zenias i must have at least 1000+ heads it becoming a deleama i have a gorgonia kill a whole colony becuz it fell but this is one way but its not kool lol thanks for any help

 

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anyone..................