Hi guys! I have a aio 15 gallons innovative marine. Could i just add a six line wrasse and a damsel fish or just only the 6 line wrasse in the tank? Thank you.
Sixline wrasses are pretty active and can be pretty feisty in spite of their size. Not sure a tank that small is a good idea for one. The damsel would be fine.
small tank + 6line = recipe for disaster. you'll need to have more rockwork than needed in order to reduce aggression later down the road. you'll likely have to house it alone.
why not a pink streaked wrasse? they're significantly more docile/peaceful.