1) Family catostomidae 2) Fish family 3) Suckers 
The Catostomidae are the suckers of the order Cypriniformes, with 80 species in this family of freshwater fishes. The Catostomidae are primarily native to North America, but Catostomus catostomus is found in both North America and Russia, and Myxocyprinus asiaticus is from China. They are not usually fished recreationally; they are not highly priz...
[n] - suckers
family Catostomidae noun suckers; closely related to the family Cyprinidae