Sclerocactus johnsonii subsp. erectocentrus, synonyms including Echinomastus erectocentrus, is a subspecies of cactus, known by the common names redspine fishhook cactus, redspine butterfly cactus, acuña cactus, needle-spine pineapple cactus, red pineapple cactus, and purple-spine viznagita. It is native to Arizona in the United States.