Why are blue whales important to the ecosystem?

A blue whale for example can consume as much as 40 million krill per day, so you can imagine the impact this would have on stabilizing the aquatic ecosystem if the blue whale species were to become extinct. When one species of animal that is important to the food chain dies it allows other species to thrive. read more

According to Whale Facts, whales are important because they are an essential part of the ocean ecosystem. For instance, they keep the flow of food regulated and the food chain intact. In turn, certain species of marine wildlife don't overpopulate. read more

The most important role of blue whales in the water world is the processing of nutrients. It is not only about their direct participation in food chains - as predators for fish and game for killer whales. read more