aquasperm en · NOUN
Etymology
From aqua- + sperm.
Meanings
-
(uncountable) Sperm that is released into an aquatic environment such as seawater.
The spermatozoon of Aphyocharax anisitsi is a typical aquasperm with a spherical nucleus, short midpiece and short cytoplasmic collar.
1998, Luiz R. Malabarba, Phylogeny and Classification of Neotropical Fishes, page 242:Aquasperm contrast with intemally fertilizing sperm which do not enter the water, for which these authors have proposed the term introsperm.
1991, Barrie G. M. Jamieson, Fish Evolution and Systematics: