戀矢

戀矢（），又名射器、交配器，甚至是「愛情飛鏢」，是肺螺類部份群組物種身上用作交配用的交配器。交配時，雙方會發射出戀矢插進對方的身體，以交換精子。

不同物種的戀矢都有所不同，因此可以用以作為分辨物種的形態學特徵。

參考文獻

外部連結

 Davidson A. (Last updated 17 August 2007) 2007. The snail mating behaviour database . Molluscs.org: The web page of Angus Davison. Data.  7 pp.
 Lovebirds and Love Darts: The Wild World of Mating  National Geographic News: Valentine's Day Special Report, 13 February 2004.
 The Roman Snail: Mating and Copulation (Robert Nordsieck)
 A dart in the dark 
 Snail darts A moment of science.
 Love that love dart
 Cupid myth influenced by snails?
  Snail-Sex: How do they do it?
 The evolution of love darts and shooting behaviour in land snails 
 Love Darts in the Backyard 
 Shot Through the Head, for a Reason  New York Times, 6 June 2006.
 

腹足纲动物解剖学
生殖系統