KnowraPorcupinefishLinked fromLinked fromThe 4 pages that link to Porcupinefish, each with the reason it gives.All 4Related 1Compared with 3TetraodontiformesRelated: Porcupinefishes combine inflation with external spines, unlike the smoother-bodied pufferfishes.PufferfishCompared with: Porcupinefish resemble pufferfish but have more conspicuous spines and belong to a different family.TetraodontidaeCompared with: Porcupinefishes are close relatives that also inflate, but retain distinct external spines.PorcupineCompared with: Its common name reflects a resemblance, not a close relationship to porcupines.