For the U.S., Kerry is to sign the agreement Friday and then President Obama will ratify it before he leaves office in December, a senior U.S. official told CBS News in a conference call this week.
Time Frame. The average dolphin species can stay underwater for as long as eight to 10 minutes; some can remain submerged while holding their breath for 15 minutes. Dolphins breathe through their blowhole, which has a muscular flap that covers it when they go under water, keeping water out of their lungs. Size.
Data collected by whalers suggests that sperm whales and bottlenose whales (one of the members of the little known family Ziphiidae) can stay under for as much as 90 to 120 minutes respectively when pursued.Feeding dives for bottlenose whales at least are about 30 to 40 minutes for deep dives.Rorquals (the large baleen species which have throat grooves including blue whales and humpbacks) can stay submerged for about 40 minutes, but usual dive lengths are more on the order of 10-15 minutes.Dolphins (including killer whales) usually do not dive very deep nor dive for very long.ome have been recorded as being submerged for 2 hours without the need to surface for breath, but like the previous person said, it depends on the type of whale. Jess Â· 8 years ago. Thumbs up. 0.