Beautiful coral spawning confirmed at Tokashiki Island in Okinawa
At about 10:20 p.m. on May 22 off Aharen Beach in Tokashiki Village, a group of Acropora sp. coral spawn in the evening during the flood tide around the full moon. (Photograph courtesy of Takashi Matsuda)
May 30, 2019 Ryukyu Shimpo
By Hideaki Yoneda
Takashi Matsuda, 46, of the diving shop Relax Island in Aharen, Tokashiki Village confirmed that the coral of Aharen Beach spawned on the nights of May 22 and 23.
Only once a year, in May or June during the flood tide around the full moon, the coral release their eggs and sperm into the ocean for fertilization.
According to Matsuda, who observed the coral spawning at Aharen Beach, Acropora coral species including staghorn coral (Acropora muricata) released a large quantity of gametes into the water at around 10:00 p.m. on the 22 and 23.
Matsuda said, “Although I watch coral spawning every year, whenever I see it I am moved. The way the eggs steadily rise to the water’s surface is very mystical.”
(English translation by T&CT and Erin Jones)
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