The bottle - nosed dolphin normally dives to depths of 150 feet [45 m], but the deepest recorded dive for a dolphin is 1,795 feet [547 m]!
Silmikdelfiin sukeldub tavaliselt 45 meetri sügavusele, kuid teadaolevalt on ühe delfiini sügavaim sukeldumine olnud 547 meetrit!