Biology:Heteropsammia

From HandWiki
Short description: Genus of corals

Heteropsammia
"Heteropsammia cochlea"
Heteropsammia cochlea
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Cnidaria
Class: Hexacorallia
Order: Scleractinia
Family: Dendrophylliidae
Genus: Heteropsammia
Edwards & Haime, 1848[1]

Heteropsammia is a genus of apozooxanthellate corals that belong to the family Dendrophylliidae.[2]

Anatomy

These corals consist of free-living, single polyps, of a diameter of around 2.5 cm.[2] They form a symbiotic relationship with a sipunculid worm, Aspidosiphon corallicola.[3] The worm lives in a cavity situated on the under surface of the coral and it pulls the polip over sandy substrates. They also present a facultative symbiotic relationship with zooxanthellae of the Symbiodinium genus, as this link has been observed at shallow waters (under 40 m), but not at greater depths (where the corals live without the algae).[4] Heteropsammia corals can sometimes establish symbiotic relationships with other marine species, such as hermit crabs,[5] that live in the cavity where the endosymbiotic Sipunculid worm is usually located.[6]

Nutrition

Heteropsammia corals (of the species Heteropsammia cochlea) have been observed ingesting salps in Leuk Bay, Koh Tao, Gulf of Thailand, thanks to their large gape, as the salps were larger than the corals mouth opening.[7]

Species

The following species are listed in the World Register of Marine Species (WoRMS):[1]

  • Heteropsammia cochlea Spengler, 1781
  • Heteropsammia eupsammides Gray, 1849
  • Heteropsammia moretonensis Wells, 1964

Notes and references

  1. 1.0 1.1 "Heteropsammia Milne Edwards & Haime, 1848". WoRMS. World Register of Marine Species. http://www.marinespecies.org/aphia.php?p=taxdetails&id=205633. 
  2. 2.0 2.1 Hoeksema, B. W.; Matthews, J. L. (2015-06-15). "Partial bleaching in an assemblage of small apozooxanthellate corals of the genera Heteropsammia and Heterocyathus". Coral Reefs 34 (4): 1227. doi:10.1007/s00338-015-1314-y. ISSN 0722-4028. Bibcode2015CorRe..34.1227H. 
  3. Hoeksema, B.W.; Best, M.B. (1991). "New observations on scleractinian corals from Indonesia: 2. Sipunculan-associated species belonging to the genera Heterocyathus and Heteropsammia". Zoologische Mededelingen 65 (16): 221–245. OCLC 945429864. https://www.repository.naturalis.nl/record/317921. 
  4. Goreau, T. F.; Yonge, C. M. (February 1, 1968). "Coral Community on Muddy Sand". Nature 217 (5127): 421–423. doi:10.1038/217421a0. ISSN 0028-0836. Bibcode1968Natur.217..421G. 
  5. See, for instance, Diogenes heteropsammicola.
  6. Fujii, Takuma (2016-05-17). "A hermit crab living in association with a mobile scleractinian coral, Heteropsammia cochlea". Marine Biodiversity 47 (3): 779–780. doi:10.1007/s12526-016-0505-2. ISSN 1867-1616. 
  7. Mehrotra, R.; Scott, C. M.; Hoeksema, B. W. (2015-08-19). "A large gape facilitates predation on salps by Heteropsammia corals". Marine Biodiversity 46 (2): 323–324. doi:10.1007/s12526-015-0379-8. ISSN 1867-1616. 

Wikidata ☰ Q3952388 entry