Spschampion Posted February 21, 2020 Share Posted February 21, 2020 Hi had a question for the group. I have had a single yellow eye Kole tang in my 120 display tank for about six months. He has been the only tang in there and has been a model citizen. Yesterday, I added a yellow tang and a hippo tang to the display tank. I fully expected there to be some chasing, nipping and maybe some tail swipe action. However, this guy has been taking it to another level! He backs the yellow tang into a corner and just proceeds to beat the snot out of him! The yellow tang is a little smaller then the Kole tang but not much. The hippo tang found some rocks to hide in and seems to have avoided the beatings thus far. But man, the yellow is taking a beating. I thought Kole tangs were considered to be one of the less aggressive species of tang? Going to try the mirror trick tonite. Any other suggestions? I have too many delicate corals to move rocks around. That was the other suggestion I read about . Quote Link to comment Share on other sites More sharing options...
obrien.david.j Posted February 21, 2020 Share Posted February 21, 2020 I'd throw in MORE fish, give the Kole other targets to be distracted by. Got your eye on any other Bigger fish, add them now. Quote Link to comment Share on other sites More sharing options...
pdxmonkeyboy Posted February 21, 2020 Share Posted February 21, 2020 This is the joy of tangs. They will settle down but at this point you need to keep a CLOSE eye on the health of the yellow. Open sores, loosing weight, discoloration. you need to grab him out of there and put him through a round or two of antiobiotic treatments. The hippo will likely be fine as they are good at hiding. The mirror trick may work I have never tried it. The most aggression usually lasts like 3-4 days unless you have a really psychotic tang.. powder blue or achilies. In the future: -The more fish you can add at the same time the better. -Super feed the tank for a week before hand. -Add a bunch of rocks to the aquarium, block the areas that the existing tang uses for cover, do this 2-3 days before the addition. - always always always add at night. NEVER, EVER add during the day. - at this point you need to disrupt the habitat of the existing tang population... add rocks, put a net or two into the tank. Quote Link to comment Share on other sites More sharing options...
pdxmonkeyboy Posted February 21, 2020 Share Posted February 21, 2020 Or drop that kole tank off in my tank... that will show him. LOL 2 Quote Link to comment Share on other sites More sharing options...
Spschampion Posted February 21, 2020 Author Share Posted February 21, 2020 Might go get a rabbit fish, wanted one anyways. Hate to not QC him, though Quote Link to comment Share on other sites More sharing options...
Spschampion Posted February 21, 2020 Author Share Posted February 21, 2020 Thanx Brian, I’ll throw some new rocks in there too Quote Link to comment Share on other sites More sharing options...
Greg123 Posted February 21, 2020 Share Posted February 21, 2020 Usually the mirror trick works really good All you do is get a mirror and put it up in front of the tank if that doesn’t work do a 24 hour block out Fish have a short memory span and usually forget Quote Link to comment Share on other sites More sharing options...
kilmca Posted February 21, 2020 Share Posted February 21, 2020 i've had good luck with an acrylic fish trap used as an acclimation box. this allows the fish to get close but not beat each other up. usually leave the new fish in it for a day or two. not saying it will work in all cases but it has helped. 1 Quote Link to comment Share on other sites More sharing options...
stephanie Posted February 22, 2020 Share Posted February 22, 2020 I have had the mirror trick work in the past, but I have also had it fail it depends on the fish. I have an orange lined kole tang that tries to bully a hippo tang that is 3x's the size of him, but the hippo just chases him for a half of second and the kole swims away. The kole is really odd he HATES my lawnmower blenny. Quote Link to comment Share on other sites More sharing options...
Manny Tavan Posted February 22, 2020 Share Posted February 22, 2020 (edited) my yellow eye kole tang is the most aggressive of my tangs. And I have an achilles in the tank Edited February 22, 2020 by Manny Tavan Quote Link to comment Share on other sites More sharing options...
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