That Fish Blog – Aquarium Advice and Information

Hello, Sam here. Most saltwater aquarists know what a bristle worm is, but they may not know that it has function in the reef.  There are many different species of bristle worm, some are scavengers and some are carnivores.  Most of the small bristle worms found in a reef tank under the live rock or crawling across the sand are Eurythoe sp. These worms are scavengers and help you by eating leftover food that settles to the substrate from daily feedings or waste from the other fish in the tank.  The problem occurs when their population in the aquarium grows and you’re suddenly faced with bristleworms everywhere!  They may not be the most attractive things to look at, and clusters of them on rock and in substrate can be a little unsettling when you peer into your tank. Read More »