The Barclays Capital Aggregate Bond Index, which used to be called the Lehman Aggregate Bond Index, is a broad base index, maintained by Barclays Capital, which took over the index business of the now defunct Lehman Brothers, and is often used to represent investment grade bonds being traded in United States.
How long do killer whales live? How do they die? Killer whales have no natural predators (they are the top predators of the oceans) and can live to about 50-80 years old. Killer whales have been hunted by humans but not with enthusiasm as it takes 21 killer whales to produce the same amount of oil as 1 sperm whale.ow do killer whales have their young? Killer whale males reach breeding age when they are around 22 feet (6.7 meters) long while females can breed when they are about 16 feet (4.9 meters) long.
Killer whales can live as long as 90 years. Like all cetaceans, this species depends heavily on underwater sound for feeding and communication, using clicks, whistles, and pulsed calls. They are very social, and many orcas live with their mothers for their entire lives.