This can occur if a dolphin gets caught in a fishing net or other fishing hazard, gets harmed or stuck in an area where constriction is being performed, becomes injured or unconscious from a hard impact, or gets trapped underwater by an object. In many cases, dolphins are excellent swimmers and can avoid getting trapped by the most common underwater objects. In these instances, a dolphin may lunge at a condensed group of fish, thinking that they are easy prey only to get trapped by the net, or they can swim into the net as it may appear fairly transparent and invisible.
Being unable to rise back to the surface, they drown as all mammals would. The second major but less common threat dolphins face when diving underwater is decompression sickness. Decompression sickness occurs when a mammal particularly humans dives deep underwater and then rise to the surface too quickly.
The quick rise and release of pressure on the body cause bubbles to develop in the body and bloodstream, leading to significant medical conditions and even death. Although dolphins have developed ways to help prevent decompression sickness from happening in extreme cases, it has been observed that dolphins may also get decompression sickness aka the bends.
Observations of beached dolphins have found occurrences of developing gases and bubbles in the bloodstreams of several dolphins that have been beached. It is believed that dolphins may rise to the surface too quickly due to loud ambient noises that can interfere with their echolocation or sense of direction.
Loud explosions, jet engines, and sonar have all been thought of as possible causes of dolphin decompression.
To solve the problems of fishing hazards and noise pollution, organizations and governments may set up policies to minimize the usage of certain objects, materials, or noises that can potentially harm dolphins. Similar to whales, dolphins also have a blowhole that is located at the top of their heads, through which they expel CO2 and remaining air in their lungs. When a dolphin needs to take in air, it breaches the surface of the ocean and exhales before taking its next breath.
When navigating the deep blue in search of marine life, many boat captains will use whale and dolphin spouts to identify species from far away! To see dolphins, whales and other marine life in their natural habitat, we invite you to experience an unforgettable Los Angeles whale watching and Long Beach whale watching cruise with Harbor Breeze! With decades of experience navigating the waters on the West Coast, we promise you a thrilling trip that the entire family will love and cherish for years to come.
Contact us for ticket information by calling today. We hope to see you aboard soon! How Do Whales and Dolphins Sleep?
February 28, Dolphins must make frequent trips to the surface of the water to catch a breath. The blowhole on top of a dolphin's head acts as a "nose," making it easy for the dolphin to surface for air.
Other characteristics of dolphins that make them mammals rather than fish are that they give birth to live young rather than laying eggs and they feed their young with milk. Also, like all mammals, dolphins even have a tiny amount of hair, right around the blowhole, which is a little different than the scales of a fish.
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