Shark

The flesh of the Greenland shark is toxic because of the presence of high concentrations of trimethylamine oxide (TMAO). If the meat is eaten without… Read More »Why Are Greenland Sharks So Toxic?

Shark nares are used only for smelling, and not for breathing the way we use our noses. And just in case you are still wondering… Read More »Do Sharks Smell Bad?

Abstract. For adaptation to high-salinity marine environments, cartilaginous fishes (sharks, skates, rays, and chimaeras) adopt a unique urea-based osmoregulation strategy. Their kidneys reabsorb nearly all… Read More »Do Sharks Have Kidneys?

The Colon. The shark’s colon is similar to our large lower intestines and is where water is absorbed. What is the function of the colon… Read More »Do Sharks Have A Colon?

A shark’s liver is relatively large, making up 5% to 25% of its total body weight and takes up to 90% of the space inside… Read More »How Large Is A Shark’S Liver?

Shark livers are huge, consisting of two large lobes surrounding the digestive tract. In some sharks the liver comprises up to 30% of their body… Read More »Do Sharks Have A Large Liver?

If you were to look inside the body of a shark, you would notice many of the same organs that humans have. Both sharks and… Read More »What Organs Does A Shark Have?

In 2017, Australian scientists published a study in the journal Nature that found two female zebra sharks produced pups on their own ― no men… Read More »Can A Shark Have A Baby Without A Male?

Zebra Shark Makes World-First Switch From Sexual to Asexual Reproduction. A zebra shark (Stegostoma fasciatum) in Australia has become the first recorded case of a… Read More »Are Zebra Sharks Asexual?

three mile. Sharks have larger olfactory glands than humans, and can detect even small amounts of blood from far away. In fact, great white sharks… Read More »How Far Can Sharks Smell Period Blood?