- Feeds on pellets - Very active swimmer - Healthy - Pest free - Reef safe - Around 1.5 inch - known to tackle common aquarium pests, such as bristle worms, flatworms, and pyramid snails. Some six lines accomplish pest control with voracious appetites. - $15 - Collect at Simei Note: 6 line wrasse is an aggressive fish so please do your research before adding one to your tank.