Our aquarium is 1 month old. Bought a piece of live rock with a mushroom. Noticed these long worm like centipedes crawling around crevices. Heard they can be a nuisance. We tried a piece of hose with food inside & tied together. Should have probably put on rock not next to. But I thought they were gone & noticed tonight 3 very long ones. Can't grab them. Their fast. Any suggestions please?

