Diadema antillarum, also known as the lime urchin, black sea urchin, or the long-spined sea urchin, is a species of sea urchin in the family Diadematidae...

extant Diadema antillarum (Philippi, 1845), extant Diadema paucispinum (Agassiz, 1863), extant Diadema mexicanum (Agassiz, 1863), extant Diadema ascensionis...

Diadema is a genus of sea urchins of the family Diadematidae. It is one of the most abundant, widespread, and ecologically important shallow water genera...

algae, coralline algae and macro algae. Some sea urchins (such as Diadema antillarum) eat these algae and could thus decrease the risk of algal encroachment...

Barbados, species such as Diploria strigosa, Palythoa mamillosa, and Diadema antillarum are found. The reef crest's most common species is Porites porites...

and the growth of seaweed on the coral. The long-spined sea urchin (Diadema antillarum), which browses on seaweed on and around reefs, was sharply reduced...

Echinoderms donkey dung sea cucumber Holothuria mexicana black sea urchin Diadema antillarum Mammals West Indian manatee Trichechus manatus Birds brown pelican...

to take over the algal controlling role of the black sea urchin (Diadema antillarum) which is subject to great fluctuations in population. Wikimedia Commons...

In the Caribbean Sea, P. gibbesi is associated with the sea urchin Diadema antillarum. In the Mediterranean Sea, P. gibbesi lives almost exclusively among...

the blue tang serve as cleaners for them. With the decline in the Diadema antillarum (sea urchin) population, the blue tang population increased since...