Atlantic blue tang
Scientific name: Acanthurus coeruleus Origin: Western Atlantic into temperate waters Maximum size: Around 40cm maximum, but most are much smaller Cost: £30-55
Small yellow juveniles of this species are hard to resist, such is their beauty. However, they demand robust tankmates due to their belligerent dispositions, which are exacerbated when they’re stocked into aquaria too small for them. To minimise territorial aggression, add them into existing aquaria as the last fish,
In the right system, this is an attractive and hardy tang.