North American Native Fishes Association
corporation that serves to bring together professional and amateur aquarists , anglers , fisheries biologists , ichthyologists , fish and wildlife officials , educators and naturalists who share an interest in the conservation , study , and captive husbandry of North America's native fishes . 
<triplet> ichthyologists <subj> fishes <obj> studies <triplet> fishes <subj> ichthyologists <obj> studied by