Sickle-leaved cymodocea

The seagrass Thalassodendron ciliatum is native to Saudi Arabia and to the region stretching from the Red Sea to the western Indian Ocean.

The KAUST Saudi Red Sea survey recorded Thalassodendron ciliatum at Umluj.

According to Kew's World Checklist, the seagrass Thalassodendron ciliatum is native to Saudi Arabia, Oman, the Arabian Gulf states, Yemen (including Socotra), Iran, Egypt (including Sinai), Palestine, Sudan, Eritrea, Djibouti, Somalia, Kenya, Tanzania, Mozambique, South Africa (KwaZulu-Natal), Madagascar, the Comoros, Mauritius, Seychelles, the Chagos Islands and the Maldives, and to the Andaman Islands, the Philippines, Indonesia, New Guinea, the Solomon Islands, Vanuatu and north-eastern Australia (Queensland).