crawling on the ground; shuffling on one's knees; cripple
to shuffle (on one's bottom or knees); to crawl; to shift position (of an object)
frogfish (any fish of family Antennariidae, esp. the striated frogfish, Antennarius striatus)
crayfish (esp. Japanese crayfish, Cambaroides japonicus or red swamp crayfish, Procambarus clarkii); crawfish