Chimaeras, also known as ghost sharks or rabbit fish, are closely related to sharks and rays. They have unique features such as fused upper jaws and large tooth plates. Most chimaera species live in deep waters, making them hard to study, but some can be found in shallower areas. They feed on bottom-dwelling creatures and…
Skates and rays, related to sharks, have a flat body ideal for living on the sea floor. Their gills and nostrils are underneath, with the eyes on top. They often hide in the sand, using spiracles for breathing while buried. There are over 600 species, with significant examples like Manta Rays and Coffin Rays. Identifying…
Sharks are found around the coasts of Britain, with over 40 species present. At least 21 species live in British waters year-round. It is unlikely to see a shark during a beach visit, but smallspotted catsharks and nursehounds might leave behind empty eggcases along the shore. These eggcases are evidence of their reproduction, as they…
Sharks are fascinating creatures that have existed for around 400 million years. They have unique anatomy and adaptations that make them excellent predators in the ocean. Their complex brains give them advanced senses, allowing them to navigate and hunt effectively. Understanding shark biology is important for conservation efforts and for scuba divers who might encounter…
Male sharks are usually smaller than female sharks. The easiest way to tell them apart is by looking for claspers, which are found on male sharks and are used for mating. Males have internal organs that produce sperm and hormones, while females have ovaries for egg production. During courtship, males may display aggressive behaviors such…
Sharks are found in every ocean and have adapted to various environments. They are important apex predators that help maintain the balance and health of marine ecosystems. Their interactions with other species affect the overall functioning of these ecosystems. Removing sharks can lead to unpredictable and complex ecological changes that scientists are still trying to…
Shark taxonomy is the science of classifying and naming different shark species. This system helps us understand the relationships between species and their roles in the ocean’s ecosystem. Sharks belong to the Kingdom Animalia and the Phylum Chordata, meaning they have a spinal structure. They are further divided into classes like Chondrichthyes, which includes all…
Gemma and Ian talk with Ryan and Nicole Levinson, who are known as “Two Afloat.” This couple lives on a catamaran in French Polynesia and creates content about their adventures above and below the water. They enjoy exploring the ocean and share their experiences through various media. Listeners can subscribe to their podcast, which goes…
Gemma and Ian chat with Ryan and Nicole Levinson, who are known as “Two Afloat.” They live on a catamaran in French Polynesia and create content about their adventures both in the ocean and underwater. Their engaging lifestyle showcases the beauty of diving and sailing in stunning locations. Weekly episodes of The BiG Podcast are…
Gemma and Ian talk with Ryan and Nicole Levinson. They live on a catamaran in French Polynesia. The couple is known as “Two Afloat.” They create content about fun experiences above and below water. You can find their adventures on YouTube and other social media.