On 22 April 2015 at around 14:00 - 15:00 hours, six divers/researchers composed of representatives from Tubbataha Management Office, World Wildlife Fund for Nature and Western Philippines University explored the reef walls in Bandila, Cagayancillo, Palawan, Philippines. At a depth of about 15 m, two Thelenota rubralineata (Figure 1) measuring 35 and 40 cm were encountered on a small patch of sand. Subsequently, three individuals measuring 40, 38 and 30 cm, respectively were noted on an adjoining patch of sand and rock at 20 m deep.