- (n) Release of gametes (eggs or sperm) from mature adult fish, frogs, molluscs, crustacea, etc.
- (adj) Describing behavior related to the readiness of mature adult fish, etc. to release gametes.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 806 (https://doi.org/10.1515/pac-2015-1202)