Alert Diver Category: Life Aquatic

Sperm whale photography can be challenging to the photographer as the whales can be evasive. However, it can be incredibly rewarding. Learn more about one photographer’s experiences with sperm whales.

The Galapagos Islands host a strange, yet wonderful collection of animals. The area also boasts great dive sites. Learn more about the Galapagos.

Tuna are a warm-blooded predator who cannot stop swimming, but their populations are in trouble. Read more about tuna.

Corals can be found all over the world, and divers love spying on them in their natural habitats. But how much do divers truly understand corals? Read everything there is to know about corals!

As I drove west past Port Alberni on Vancouver Island, British Columbia, on my way to a photo shoot, I watched in disbelief as the temperature gauge in my vehicle rose from 64°F (18°C) to 113°F (45°C). I thought something was wrong with my gauge, but a local radio station reported the same temperature. British Columbia had record-high temperatures throughout the province that week in June 2021.

Poisons and venom have helped ocean species survive for thousands of years. These evolutionary adaptations enabled the species to hunt and thrive in different conditions. Read more about the roles of poisons and venoms in different species.

Larvae are often part of the complex life cycles of a variety of species — eels, squids, fish, jellyfish and more. Learn more about larvae and this reproductive strategy.

Way below where the light touches, live interesting marine critters — some would even say creepy. Read more about what lurks beneath the darkness.

Spawning is greatly influenced by the moon’s phases and greatly changes the spawning fish’s behaviors. Learn more about spawning.

Sounds can be found underneath the waves. A variety of marine organisms employ complex organs to both create and distinguish sounds. The perception of noise underwater is not necessarily a simple thing, but since sound travels so efficiently underwater, numerous marine creatures have developed methods of sensing it.