Firefish and McCoskers wrasse aggression problems

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Hi
Today I added a purple firefish to my tank. As soon as I added it my McCoskers wrasse started circling and hovering around it. It's flashing a lot and has tried to nip the firefish's fins. The firefish is just staying in the same place and isn't trying to hide or take cover in the rock work. I'm really concerned about the firefish. Has anyone got any advice or do I just need to let them settle? The tank lights are currently off. Thanks in advance for any help.

Gav

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Reply #1

Hi Kirsty , It may be that they just need time for them to settle , both fish are generally peaceful fish so hopefully it's just establishing a pecking order , sometimes it can be good to add a little food to help distract the fish that are already in the tank while adding the new one .
Make sure that there are plenty of small caves or openings in your rockwork for the firefish if and when it chooses to hide .
What size is your tank ? What else do you have in with them ?  Did you acclimatise the new fish to your water before adding it to your tank ?

fr499y

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Reply #2

It should be fine, you will find even the most peaceful fish will turn when something new is added. My firefish chased my yellow tank for a few days! now that was a funny sight

kirsty

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Reply #3

Thank you both for your replies. I can't imagine a firefish chasing a tang! The tank is an ea reef 600s, the display tank volume is about 145 litres, total system volume 167 litres. In terms of fish I have two Picasso clowns, a silver belly wrasse, a sunburst goby (paired with a pistol shrimp) and the two fish I've posted about. The purple firefish is my final fish. My lfs said this stocking list was fine but now I'm concerned! I acclimated the firefish before adding it to the tank and adjusted my rock so that there were gaps and caves. The McCoskers occasionally chases my silver belly but it's being persistent with the firefish. Hopefully they'll settle soon.

fr499y

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Reply #4

They'll be fine :) you have a lid on the tank right? ( or mesh cover ) as wrasse do and will jump! even the firefish will jump if being chased and spooked.

kirsty

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Reply #5

Yeah I have a mesh lid. Thanks for the reassurance, I feel a little better now!

fr499y

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Reply #6

Wrasse are lovely fish, I lost two prior to making a mesh lid. Lucky enough, my Ruby head fairy wrasse has only jumped out the tank 3 times whilst i was watching!  :grin:

kirsty

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Reply #7

Three times???!!! My McCoskers has jumped once while I had the lid off but luckily I was there! I'd love a bigger tank so I could have a Labouts fairy wrasse or a kuiters wrasse. Wrasse are definitely some of my favourite fish.

Gav

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Reply #8

The wrasses do have some lovely colours and patterns , i recently lost my six line wrasse to jumping over the weir and landing on the grate inside a couple of weeks ago , I've also a silver bellied wrasse and added a female leopard wrasse a couple of days ago , i think i may try to pick up a male in the future .
As said tho give it a few days things should settle down , once the firefish knows where the hiding holes are it will be very quick to dart in when it feels threatened .

kirsty

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Reply #9

Thanks Gav. I love my silver belly wrasse. I'd love a leopard wrasse but I'm nowhere near experienced enough and my current tank isn't big enough! The firefish seems more settled already. Thanks for your help and advice.

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