Quote:
Originally Posted by microsnake
blackworms are a type of aquatic insect larvae.
Beautiful stingrays by the way! Are you going to try to breed them/do you have both genders? Just interested, because breeding in captivity is pretty unusual for stingrays.
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Actually thats bloodworms ( at least here in the US), which are midge larvae. Blackworms are annelids ( like earthworms and tubifex worms). They are supposed to be cleaner than tubifex because they are raised in trout ponds ( as opposed to collected in sewage outlets ), nutritious and lots of fish and amphibians love them. They are supposed to be relatively easy to culture according to some sites ( like carolina biological ). You need to keep them in a container of decholorinated water, maybe an inch or two over them, and a piece of brown paper towel under them. The paper is for bacterial growth which the worms eat. You can also drop in a fish pellet once in a while. The key is keeping them cool in the fridge and changing the water every couple of days ( with dechlorinated water ).
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