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  2. Echinometra viridis - Wikipedia

    en.wikipedia.org/wiki/Echinometra_viridis

    The reef urchin has an elliptical reddish brown test (shell) covered with medium length spines. These are greenish in colour with paler bases and darker, often violet, tips. This urchin grows to a diameter of 5 centimetres (2.0 in) with the longest spines being 3 centimetres (1.2 in). [2]

  3. Tripneustes gratilla - Wikipedia

    en.wikipedia.org/wiki/Tripneustes_gratilla

    Tripneustes gratilla, the collector urchin, is a species of sea urchin. Collector urchins are found at depths of 2 to 30 metres (7 to 100 ft) in the waters of the Indo-Pacific, Hawaii, the Red Sea, and The Bahamas. They can reach 10 to 15 centimetres (4 to 6 in) in size.

  4. Phyllacanthus imperialis - Wikipedia

    en.wikipedia.org/wiki/Phyllacanthus_imperialis

    Phyllacanthus imperialis, also known as the Sputnik urchin, imperial lance urchin, imperial sea urchin, imperial urchin, pencil sea urchin, lance urchin, knobby sputnik sea urchin, mine urchin, and land mine sea urchin, is a species of sea urchins in the family Cidaridae. [2] Test (shell) It has distinctive thick, blunt spikes. The test is ...

  5. Echinometra lucunter - Wikipedia

    en.wikipedia.org/wiki/Echinometra_lucunter

    Echinometra lucunter is common throughout the Caribbean Sea and also occurs in Florida, Bermuda and the South American coast as far south as Brazil. It occurs on shallow rocky areas and on coral reefs usually at depths of 2 metres (6 ft 7 in) or less but occasionally in deeper water down to about 45 metres (148 ft).

  6. Tripneustes ventricosus - Wikipedia

    en.wikipedia.org/wiki/Tripneustes_ventricosus

    Tripneustes ventricosus, commonly called the West Indian sea egg or white sea urchin, is a species of sea urchin. It is common in the Caribbean Sea , the Bahamas and Florida and may be found at depths of less than 10 metres (33 ft).

  7. Echinometra oblonga - Wikipedia

    en.wikipedia.org/wiki/Echinometra_oblonga

    Echinometra oblonga generally live in rougher-water areas of tropical reefs. [2] To protect themselves from the force of the waves, they live in the holes of the reef, but they also live on exposed reef flats. [2] As the urchin grows, they use their jaws to help enlarge holes in the reef.

  8. Diadema antillarum - Wikipedia

    en.wikipedia.org/wiki/Diadema_antillarum

    Diadema antillarum, also known as the lime urchin, black sea urchin, or the long-spined sea urchin, [2] is a species of sea urchin in the family Diadematidae. This sea urchin is characterized by its exceptionally long black spines. It is the most abundant and important herbivore on the coral reefs of the western Atlantic and Caribbean basin.

  9. Lytechinus variegatus - Wikipedia

    en.wikipedia.org/wiki/Lytechinus_variegatus

    The green sea urchin occurs in tropical waters in the western Atlantic Ocean. The subspecies occupy different geographical areas. L. v. variegatus occurs in the Caribbean Sea, southern Florida, the Yucatán peninsula and northern Brazil but not Barbados while L. v. carolinus is found from North Carolina southwards to the Caribbean Sea and Gulf of Mexico.

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