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.
the whale species is known to have several of the longest known living animals in the world with several species living for 100 years or more however estimating the life expectancy of 80 90 or so various species of cetacea cetaceans include all species of whale dolphin and porpoise can be a very challenging taskhe bowhead whale has an average lifespan of 100 200 years the fin whale has an average lifespan of 60 100 years the gray whale has an average lifespan of 50 70 years the humpback whale has an average lifespan of 40 100 years