California Code, Fish and Game Code - FGC § 93

“Essential fishery information,” with regard to a marine fishery, means information about fish life history and habitat requirements;  the status and trends of fish populations, fishing effort, and catch levels;  fishery effects on fish age structure and on other marine living resources and users, and any other information related to the biology of a fish species or to taking in the fishery that is necessary to permit fisheries to be managed according to the requirements of this code.