Some 17 years ago, Leon Hallacher and Brian Tissot undertook to assess the impact of aquarium fish collectors on the population of reef fish along the Kona coast of the Big Island. To collect the data needed, undergraduates were trained to identify the fish and then made underwater surveys along transects in sites known to have been subject to col- lection and others where such collection was banned.
They found that seven of the 10 species popular with collectors were lower in areas where collection occurred than in the control areas. Also . . .
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