New Worlds: Marine mollusks got rhythm from the tides
Organisms that live in shallow waters are presumably influenced by the lunar and tidal cycles more than the solar ones and therefore mostly exhibit “circatidal,” rather than circadian rhythms.
A FISH SWIMS along Tamar, an artificial reef created by Ben-Gurion University, in Eilat.(photo credit: KEREN LEVY)ByJUDY SIEGEL-ITZKOVICHUpdated:
