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Fishing down food web leaves fewer big fish, more small fish in past c

Harlequinmania

By Harlequinmania,
in General Reefkeeping_

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Harlequinmania

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Predatory fish such as cod, tuna and groupers have declined by two-thirds over the past 100 years, while small forage fish such as sardine, anchovy and capelin have more than doubled over the same period, according to researchers.

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1000 Gallon Tank in the Hole 

http://www.sgreefclub.com/forum/topic/120957-1000-gallon-3d-hole-in-the-wall/ 

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