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The water at Aliwal Shoal is the colour of strong tea, stirred up by the Indian Ocean swell. A few metres below the surface a ragged tooth shark hangs almost motionless in the current. Its mouth is slightly open. Rows of thin, snagged teeth are on full display. To anyone raised on shark films, it looks like the most dangerous animal imaginable. It is, in fact, doing nothing at all. It has no interest in the divers nearby. It is simply breathing, holding its place in the curre

How is climate change affecting shark populations? Quick Answer Climate change is altering ocean temperatures, currents, sea levels and marine ecosystems around the world. Scientists have found that many shark species are changing where they live, when they migrate and how they reproduce. While some species may temporarily benefit from warmer waters, many face increasing threats from habitat loss, declining prey populations and human activity. Why are sharks particularly vuln

Why are sharks so important to ocean ecosystems? Quick Answer Sharks play a vital role in maintaining healthy marine ecosystems. As apex and mesopredators, they help regulate populations of other marine animals, preventing any one species from dominating the ecosystem. Healthy shark populations contribute to balanced food webs, thriving coral reefs, productive seagrass meadows and greater biodiversity across the world's oceans. What exactly is an apex predator? An apex predat