How Does Overfishing Affect Fish Size?

How Does Overfishing Affect Fish Size? Overfishing reduces fish populations and promotes smaller sizes in fish. The fish also reach sexual maturity earlier than normal. However, the impact of overfishing is not restricted to fish: as the predators at the top of the food web dwindle, the stability of the entire aquatic ecosystem is at

What Is The Largest Animal In The Great Barrier Reef?

What Is The Largest Animal In The Great Barrier Reef? Mollusks. Mollusks are a widely divergent order of animals, including species clams, oysters, and cuttlefish. Marine biologists believe there are at least 5,000 and possibly as many as 10,000 species of mollusks inhabiting the Great Barrier Reef, the most visible being the giant clam What