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.
Submissions from societies and foundations dedicated to conservation of fish. Sites giving information about biology, ecology, on-going research, education and conservation projects involving fish.
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.
Threats to sharks include incidental capture during net fishing and hunting due to an increase in trade for shark products and persecution.
Submissions from societies and foundations dedicated to conservation of sharks. Sites giving information about biology, ecology, on-going research, education and conservation projects involving endangered sharks.