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Overfishing And Evolution: Fish Fear Their Census-takers

Using snorkelers and SCUBA divers is not the best way to monitor fish populations, if we want to know the evolutionary effects of overfishing. The fish population in coral reef areas is often assessed by snorkelers or SCUBA divers, but new research shows that these methods may misrepresent the number of fish.
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'Sobering' Decline Of Caribbean's Big Fish, Fisheries: Overfishing Deemed Most Likely Cause

Academics / General Science : Science Daily (6 years ago)

Sharks, barracuda and other large predatory fishes disappear on Caribbean coral reefs as human populations rise, endangering the region's marine food web and ultimately its reefs and fisheries, according to a sweeping study.... Read Post

Overfishing of sharks is harming coral reefs

Academics / General Science : Science Codex (last year)

A team of scientists from Canada and Australia has discovered that a decline in shark populations is detrimental to coral reefs. "Where shark numbers are reduced due to commercial fishing, there is also a decrease in the herbivorous... Read Post

Fish and coral smell a bad neighborhood: Marine protected areas might not be enough to help overfished reefs recover

Academics / General Science : Science Daily (3 months ago)

Pacific corals and fish can both smell a bad neighborhood, and use that ability to avoid settling in damaged reefs. Damaged coral reefs emit chemical cues that repulse young coral and fish, discouraging them from settling in the deg... Read Post


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