Some fish can make electricity. They surround themselves with an electrical field. If anything moves in the field, the fish can feel it. Their electrical fields are able to detect food and their enemies.
Link to parasites grows stronger
Link to parasites grows stronger New research has added to the evidence that a
major cause of the large number of frog deformities across the
United States is a parasitic flatworm, or trematode. The trematodes
are not killing the frogs, only deforming them, and the presence of
the worms where there is deformity does not rule out other causes
for frog deformities and deaths. The high incidence of frog
deformities across North America in recent years is of growing
concern to scientists. 24 DECEMBER 1999, P. 2434
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