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Re: [Killietalk] Shipping Blackworms
There are several things to consider. First, is this shipment of blackworms
meant to feed some fish? If not, is it to start a culture? If to start a
culture, it might be feasible to ship a few worms in several bags with just enough
water to keep them wet and also with cooler packs. If it is meant to supply
food -- forget it. Maybe they could be shipped in moist peat moss. I have seen
them survive for a few days in moist peat moss that I have gathered for
killifish eggs. Or maybe they lay eggs and they could be harvested and shipped. I
found this in a quick Google search.
Although never documented, sexual reproduction in mature worms probably
involves copulation and sperm exchange, as seen in many earthworms. Then, worms
produce transparent cocoons, each containing 4-11 fertilized eggs that undergo
direct embryonic development with no larval stage (Drewes and Brinkhurst,
1990). Small worms, about 1 cm in length, emerge from cocoons in about two weeks.
Lee Harper
Media, PA USA
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