https://www.tropicalaquarium.co.za/threads/blackworms-tubifex-worms-are-they-the-same-thing.15137/
Blackworms/Tubifex worms... are they the same thing?... | Tropical Aquariums SA
Apart from dried Tubifex worms I have only once (accidently) stumbled upon live tubifex worms (1975) at a sewerage farm (where I trespassed beyond the...
the same thingblackwormstubifex