Dear Daniel
My husband used to grow Arenicola cristata in Pensacola FL. They collected
egg sacs and grew them up to adults. He says the most important thing in
keeping the adult worms is to keep them in the dark. Their blood is damaged
on exposure to light.
The procedure for raising them is in: D'Asaro, C.N., and H.C.K. Chen. 1976.
Lugworm Aquaculture. Florida Sea Grant Program Report No. 16, 113 pp.
Hope this helps.
Gayle and Bill Plaia
GaylePlaia at aol.com