Echinometra oblonga

Echinometra oblonga
Scientific classification
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Camarodonta
Family: Echinometridae
Genus: Echinometra
Species:
E. oblonga
Binomial name
Echinometra oblonga
Synonyms[1]
  • Echinometra mathaei oblonga (Blainville, 1825)
  • Echinus oblonga (misspelling)
  • Echinus oblongus Blainville, 1825
  • Ellipsechinus oblongus (Blainville, 1825)
  • Mortensenia oblonga (Blainville, 1825)

Lead

Echinometra oblonga, also called the oblong urchin or 'ina 'ele 'ele (ina= generic name for urchin, 'ele 'ele= blackish) in Hawaiian, is a very common rock boring urchin on shallow rocky shores of the tropical Indo-Pacific and Southern Africa.[2]

Description

Echinometra oblonga have an upper side, which is their aboral side, and a lower side, which is their oral side.[3] Their body parts include the Ambulacra, Tubercle, Madreporite, Genital Plate, Ocular plates, Peristome, and Interambulacral.[3]

Anatomy

The color of Echinometra oblonga are a range of dark purple to black. Their spines are shorter, and more blunt than other species of Echinometra.[4]

Reproduction

Echinometra Oblonga, are gonochoric.[5]They fertilize externally. Their eggs are either held on the peristome or around the periproct.[5]

Habitat

Echinometra oblonga generally live on the rougher-water areas of tropical reefs.[6] 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.[6] As the urchin grows, they use their jaws to help enlarge holes in the reef. Their spines trap seaweed and algae from the reef, and then it is transferred to the mouth.[6]

References
  1. Kroh, A.; Mooi, R. (2021). "Echinometra oblonga". WoRMS. World Register of Marine Species. Retrieved 30 September 2021.{{cite web}}: CS1 maint: multiple names: authors list (link)
  2. Russo, AR (1977). "Water flow and the distribution and abundance of echinoids (genus Echinometra) on an Hawaiian Reef". Marine and Freshwater Research. 28 (6): 693. doi:10.1071/mf9770693. ISSN 1323-1650.
  3. "Mindat.org". www.mindat.org. Retrieved 2022-02-24.
  4. McClintock, James B. (2019-10-22). "Disappearance of the rock-boring urchin Echinometra lucunter (Echinoidea: Echinodermata) in urchin-burrows along an extensive rock wall of Grotto Beach, San Salvador, Bahamas". Caribbean Journal of Science. 49 (2–3): 290. doi:10.18475/cjos.v49i2.a16. ISSN 0008-6452.
  5. "Echinometra oblonga, Short-spined black urchin". www.sealifebase.ca. Retrieved 2022-02-18.
  6. Russo, AR (1977). "Water flow and the distribution and abundance of echinoids (genus Echinometra) on an Hawaiian Reef". Marine and Freshwater Research. 28 (6): 693. doi:10.1071/mf9770693. ISSN 1323-1650.
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