![Black-long-spine-urchin-at-coral-reef.-Diadema-setosum-is-a-species-of-long-spined-sea-urchin-belonging-to-the-family-Diadematidae.](https://videocdn.cdnpk.net/harmony/content/video/partners1335/thumbnails/hf8293a21_Diademasetosum__002__121mb__small.jpg)
Black long spine urchin at coral reef. Diadema setosum is a species of long-spined sea urchin belonging to the family Diadematidae.
1080p 00:09
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