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p. 13 · Read in the full issue
Mosquito-Eaters
Japanese Medaka, a small yellow J- fish between one and two inches long, which preys upon mosquito larvae. attempt to control the city’s mosquito pest.
It appears that their special merit is that they continue to kill the larvae, even after their hunger has been satisfied, and that they hunt in packs, so that what one fish misses another one catches.
Their disadvantage, however, is that they live only in fresh water. Salt water
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