Mystery Wrasse vs Six-Line?

[jab161]

i just caugt my six line last week after six months of attempts, he killed a mandarin that was doing great for about a year. he killed the mandarin a week after i added him to the tank. i cant recall all of the other fish he killed but the most rececnt was a beautiful juvi Garibaldi that i came across he killed him in a d ay or two. get rid of the six line