Source:http://linkedlifedata.com/resource/umls/id/C0010284
CSP: a fresh water decapod which resembles a small lobster.,MSH: A superfamily of various freshwater CRUSTACEA, in the infraorder Astacidea, comprising the crayfish. Common genera include Astacus and Procambarus. Crayfish resemble lobsters, but are usually much smaller.