spawning

https://doi.org/10.1351/goldbook.11234
  1. (n) Release of gametes (eggs or sperm) from mature adult fish, frogs, molluscs, crustacea, etc.
  2. (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)