walter worms, vinegar eels, banana worms-are these worth culturing?

[salty joe]

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While looking for white worms cultures, I ran across this. Anybody know if these things are worth culturing to feed a reef tank?

 

[flsalty]

All those worms are pretty tiny, around 1/16" or less. They are commonly used to feed freshwater fry. Not sure how long they would survive in salt. Would be interesting to see if mandarins and the like would eat them or if they could find them.