Fruit fly’s giant sperm is quite an exaggeration
Tail on the gamete can measure about 20 times the male’s body length
EXTREME SPERM The most oversized male sexual feature yet documented may be a fruit fly’s giant sperm (right, one sperm at 200 times magnification from Drosophila bifurca; left, same magnification of male surrounded by a male reproductive tract).
S. Lüpold et al/Nature 2016