KnowraFinswimmingLinked fromLinked fromThe 4 pages that link to Finswimming, each with the reason it gives.All 4Related 1Compared with 3Competitive swimmingCompared with: Its permitted equipment and propulsion differ from standard swimming events.Pelvic finCompared with: Pelvic fins may contribute to thrust, but usually are not the main propulsors.Paired finsCompared with: It highlights species that generate thrust with paired fins instead of using them chiefly for control.Umbrella octopusRelated: Umbrella octopuses use paired fins for controlled movement in the water.