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black sea urchin

Diadema setosum

Description:

sea urchin of deep black color with nasty thin and long spines

Habitat:

It has been suggested that Diadema setosum populations are temperature-dependent in their spawning seasonalities. Temperatures higher than 25oC have been cited as a possible spawning cue.[5] Equatorial populations are those recorded to spawn at no particular times throughout the entire year. This is true for the Philippine populations of D. setosum.

Notes:

LOCATION: Be Resorts, Punta Engano, Mactan, Cebu Found these sea urchins stuck on a concrete wall that divides 2 resorts I personally took this photo.

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Cebu, Philippines

Spotted on Apr 25, 2011
Submitted on May 26, 2011

Spotted for Mission

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Reference