Topics: Conservation : Fish

Streams, lakes and oceans exist in a fragile balance. Predators maintain the population of the species they prey upon at the level which the environment can support. If humans are to harvest from these ecosystem, the effect of removing animals from the ecosystem must be understood.

Sharks Sharks View: News Rack - Sub-Categories - DMoz
Sharks comprise about 1% of all living fish, with approximately 350 species occurring globally. Most sharks feed on other fish or marine mammals, while some are plankton feeders.
Great White Sharks, Whale Sharks, More »

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