Collection sites of <i>Echinometra</i> specimens.

<p>(A) Map of the Indian Ocean and Eastern Pacific. Dots mark the three sampling sites: Okinawa, Zanzibar and Eilat. Detailed view of study sites: (B) Sesoko Isl., Okinawa, (C) Zanzibar, Western Indian Ocean, and (D) Eilat, Gulf of Aqaba/Eilat. Dots mark collection sites, scale bars indicate 1 km. Ca, Ba, Cu, Ki, Ja, Po, Mn, and Nu denote Changuu, Bawe, Chumbe, Kizimkazi, Jambiani, Pongwe, Mnemba and Nungwi, respectively. Ei and Ok denote Eilat and Okinawa, respectively.