524
12 Species Case Studies
Fig. 12.62 The spawning occurrence of ocean surgeonfi sh observed over fi ve successive
afternoons relative to time before sunset shows that spawning lasts about 60 min overall, peaking
about 1 h before sunset
Fig. 12.61 The spawning of groups of ocean surgeonfi sh from the aggregation is episodic with
bursts of spawning a few minutes long followed by quiescent period of 1–3 min. Spawning activity
initiates somewhat gradually and tapers off about 30–40 prior to sunset
12 Species Case Studies
Fig. 12.62 The spawning occurrence of ocean surgeonfi sh observed over fi ve successive
afternoons relative to time before sunset shows that spawning lasts about 60 min overall, peaking
about 1 h before sunset
Fig. 12.61 The spawning of groups of ocean surgeonfi sh from the aggregation is episodic with
bursts of spawning a few minutes long followed by quiescent period of 1–3 min. Spawning activity
initiates somewhat gradually and tapers off about 30–40 prior to sunset