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The jewel urchin is the commonest sea urchin on some coral reefs in the
Caribbean Sea but it seems to be restricted to the coasts of Panama, Belize, the Florida Keys and Jamaica at depths between 5 and 90 metres (16 and 295 ft). It is found in crevices in rocks and coral reefs and on the
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The jewel urchin does not protect itself from the sun by covering its upper surface with bits of seagrass and shell but instead, tends to hide in cracks during the day and emerge to feed at night. Like other sea urchins, the diet is mainly
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In Panama the jewel urchin's spawning period occurs annually in the rainy season. It occurs over an extended period and does not seem to be linked with phases of the moon as is the case in some other species of sea urchin.
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The jewel urchin grows to a diameter of about 3 to 5 centimetres (1.2 to 2.0 in) and has spines up to 3 centimetres (1.2 in) long. Many of them are shorter than this and provide a dense covering. The
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plates. The spines are either deep green or white and have a ridge running along one side of each, a fact that distinguishes this species from the very similar
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which are scraped off the surface of rocks or chewed by the rasping mouthparts situated on the oral (under) surface of the animal.
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is usually a pale brown colour with a red or dark brown stripe along the joints of the main inter
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402:Dorit, R. L.; Walker, W. F.; Barnes, R. D. (1991).
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308:Marine Invertebrates and Plants of the Living Reef
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221:surfaces of other organisms such as table corals,
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384:. Smithsonian Tropical Research Institute
266:Kroh, A. (2010). Kroh A, Mooi R (eds.).
410:. Saunders College Publishing. p.
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351:. Marine Species Identification Portal
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158:Lytechinus Williamsi, the Jewel Urchin
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349:Interactive Guide to Caribbean Diving
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232:. It does not feed on these corals.
228:, and lettuce corals in the family
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382:Bocas del Toro: Species Database
280:World Register of Marine Species
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312:. T.F.H. Publications. p.
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209:having white pedicellariae.
205:which are also distinctive,
687:Fauna of the Atlantic Ocean
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304:Colin, Patrick L. (1978).
677:Animals described in 1968
276:World Echinoidea Database
171:, is a sea urchin in the
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32:Scientific classification
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216:Distribution and habitat
343:(Lytechinus williamsi)
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198:Lytechinus variegatus
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16:Species of sea urchin
475:Lytechinus_williamsi
446:Lytechinus williamsi
376:Lytechinus williamsi
270:Lytechinus williamsi
164:Lytechinus williamsi
141:Lytechinus williamsi
25:Lytechinus williamsi
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372:Weintraub, Lexi.
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386:. Retrieved
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169:jewel urchin
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626:SeaLifeBase
574:NatureServe
535:iNaturalist
230:Agariciidae
182:Description
89:Camarodonta
682:Lytechinus
671:Categories
388:2012-09-03
355:2012-09-03
285:2012-09-03
253:References
193:ambulacral
110:Lytechinus
79:Echinoidea
117:Species:
55:Kingdom:
49:Eukaryota
579:2.902582
553:10189894
461:Q3203465
455:Wikidata
224:Acropora
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59:Animalia
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167:, the
649:WoRMS
631:49987
548:IRMNG
501:3WVCD
243:algae
600:OBIS
587:NCBI
561:ITIS
522:GBIF
483:BOLD
416:ISBN
318:ISBN
226:spp.
189:test
509:EoL
496:CoL
470:ADW
412:786
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
