You are not likely to come across this worm, the bobbit is not common and little is known about it. This worm has been observed in aquariums where it was probably introduced into the aquarium by hitch-hiking on coral. Living in the substrate, a bobbit, with its large appetite, can decimate all aquarium inhabitants unnoticed in little time. The bobbit can grow to 10 feet in length, hence the big appetite, and has been observed in many colors with most having a iridescent, rainbow colored glow to its body, probably designed to attract prey.
The bobbit burrows itself deep into the sea floor with its 5 long tentacles fluttering above its den, attracts its prey by fluttering the tentacles. The bobbit is fearless and attacks prey much larger than itself. When prey comes close enough, the worm emerges from its hole with lightning speed and grabs it’s prey, then immediately retreats with it into its hole. Prey is caught with the worms 2 sharp mandibles which act like scissors, snapping the prey in half! If you happen to see a bobbit while diving, it is advised to stay clear or risk a nasty fight and serious wound.
Bobbit worms don’t like bright lights. When searching for them underwater, we often wave our lights quickly and avoid shining a light directly on them for more than a second. A disturbed bobbit worm will often retract down into the sand for a long period of time.
This piece was prepared online by Panuruji Kenta, Publisher, SEVENSEAS Media