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  2. 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).

  3. Sea urchin - Wikipedia

    en.wikipedia.org/wiki/Sea_urchin

    The name urchin is an old word for hedgehog, which sea urchins resemble; they have archaically been called sea hedgehogs. [ 6 ] [ 7 ] The name is derived from the Old French herichun , from Latin ericius ('hedgehog').

  4. Toxopneustes pileolus - Wikipedia

    en.wikipedia.org/wiki/Toxopneustes_pileolus

    Toxopneustes pileolus, commonly known as the flower urchin, is a widespread and commonly encountered species of sea urchin from the Indo-West Pacific. It is considered highly dangerous, as it is capable of delivering extremely painful and medically significant stings when touched.

  5. Arbacia lixula - Wikipedia

    en.wikipedia.org/wiki/Arbacia_lixula

    It is a medium-sized sea urchin, characterized by its deep black color and its hemispherical shape. All of its spines are roughly the same size (no "secondary spines"), and worn erected (never dishevelled when in the water). The anus on the top is surrounded by four plates forming an anal valve.

  6. Mespilia - Wikipedia

    en.wikipedia.org/wiki/Mespilia

    Mespilia globulus, the globular sea urchin, sphere sea urchin, or tuxedo urchin (trade name), is a sea urchin occurring in tropical shallow reef habitats. [1] The specific name refers to a small ball or spherule, describing its overall shape/morphology. [1] It is the only species in the genus Mespilia. [2]

  7. Sea urchin die-off threatens reefs from Florida to Caribbean ...

    www.aol.com/sea-urchin-die-off-threatens...

    In the picture, the purple-spined diadema sea urchins appear at healthy levels, a good sign for reef growth. “They’re kind of like chocolate-covered peanuts. Everybody likes to eat them on the ...

  8. 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.

  9. Mystery solved: Scientists ID Caribbean sea urchin killer

    www.aol.com/news/mystery-solved-scientists-id...

    For marine scientists, it was deja vu: Another die-off swept through the region in the 1980s and slashed sea urchin populations by around 98%. Mystery solved: Scientists ID Caribbean sea urchin killer