Search results
Results from the WOW.Com Content Network
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.
Echinus esculentus, the European edible sea urchin or common sea urchin, is a species of marine invertebrate in the Echinidae family. It is found in coastal areas of western Europe down to a depth of 1,200 m (3,900 ft). [3] It is considered "Near threatened" in the IUCN Red List of Threatened Species. [1] Test of Echinus esculentus
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.
Sea urchins or urchins (/ ˈ ɜːr tʃ ɪ n z /) are typically spiny, globular animals, echinoderms in the class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal to 5,000 metres (16,000 ft; 2,700 fathoms). [1]
Heliocidaris is a genus of sea urchins, ... Some species are edible. List of species. This genus contains 6 extant species and 1 fossil :
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.
Loxechinus albus is a fast-growing, relatively large sea urchin with a test diameter of up to 11 cm (4.3 in), although the far southernmost populations tend to grow slower and reach a smaller size. [2] The test is dorsoventrally flattened and densely covered in small spines. [5]
Sea urchins are primarily marine grazers and tend to eat the algae in closest proximity to them. Thus, several species live a rather sedentary lifestyle. [ 3 ] However, Heterocentrotus mammillatus appears to be somewhat active in comparison to other urchins, like Echinothrix calamaris, Echinometra mathaei , and Echinometra oblonga .