(A) Seed size of O. stentina raised with the live diet in the three settlement cylinders. The settlement period is indicated in gray and corresponds to the time frame indicated in panel 5B. Larvae in cylinder 3 were set to settle 1 week later than those in cylinders 1–2. (B) Rates of settlement during the first 23 days of benthic growth. The 70% success is indicated with a dashed line. Error bars are mean standard error.