they are a dark red colour and they are about 1 cm long and 0.5-1mm wide
Bloodworms are worms. They contain many cells.
No, they eat things like bloodworms and brine shrimp.
No
of course, all saltwater & freshwater fish can eat frozen bloodworms.
no they can not
ants
Yes you can, like krill, betta pellets, bloodworms, tubiflex worms
No. They feed on algae.
Most like those freeze dried bloodworms, my betta doesn't like those, he likes those big small ball ones.
bloodworms or fish flakes
freeze dried bloodworms
Bloodworms mainly eat detritus material, i.e. dead animal or plant material.