Crown-of-Thorns Removal in Action

From Sept 25 to October 1, 2015 a team of fishermen, municipal and provincial staff members, and your local Peace Corps Volunteer worked to remove over 250 Crown-of-Thorns (CoT) sea stars from a single reef in Barangay Canduyong, Odiongan, Romblon, Philippines. Here’s the video with English and Tagalog: Crown-of-Thorns Removal

Crown-of-Thorns seastar (Acanthaster planci) feeding on coral.
Crown-of-Thorns seastar (Acanthaster planci) with its numerous arms and venomous spines feeding on coral.
White dead coral skeleton remaining after CoT feed in contrast to the remaining live colored polyps. Over time algae will grow and cover this white skeleton.
White dead coral skeleton remaining after CoT feed, in contrast to the remaining live, brown colored coral polyps in the foreground. Over time algae will grow and cover this white skeleton.
Jerome snags a CoT with tongs.
Jerome snags a CoT with tongs.
It is important to remove CoT from the water immediately because if this animal becomes stressed it will release its eggs as a last ditch effort to reproduce.
It is important to remove CoT from the water immediately because if this animal becomes stressed it will release its eggs as a last ditch effort to reproduce.
Our removed CoT kept high and dry to avoid propagation if its gametes were to be released in the water.
Our removed CoT kept high and dry to avoid propagation if its gametes were to be released in the water.
Removed CoT were buried on land.
Removed CoT were buried on land.

Removing CoT was like working as an underwater superhero! The thrill of working hard to save coral reefs and kill venomous CoT. It was hard to stop once our bucket was full because you would see more and think, “Okay let me just get one more then I’ll go back.”

Now as I prepare to leave for Washington DC and the Blog It Home Winner’s Tour, my office will share the photos and videos of our extraction to educate other Barangays (towns) about the need and process of extraction. We plan to expand our efforts to tackle CoT outbreaks throughout Romblon province.

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