Shrimp tail (Common Myth)
A bulky tail with a bunched-fin tip that can spread like a fan.
Most often seen on pampered and spoiled leeches; their frequent feeding allowed for this large and luxurious tail to grow to an impressive size.
Leeches with thinner shrimp tails can use it swim, but when fully fed its enlarged state is so buoyant the leech cannot submerge.
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