The first members of the Calypso group were Calypso Publications Registered at London 2225933 1978 which was established in 1978 as the publishing arm of Calypso Research.
In Addition To This Group Hub Site Each Calypso Organization Group Member Has Their Own Website
Links to calypso.org.uk (10)
seawaters.orgSynthetic Artificial Seawaters for laboratories and marine aquaria
calypsobooks.comFish Books,Books on fishes,fishkeeping,fish catching,Aquarium books
kraken-marina.comKraken synthetic and artificial seawater formulae and seawaters
ifocas.netIFOCAS. The World's largest International Federation of Clubs.Aquatic Societies