Melongena corona

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Melongena corona
Melongena corona.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Family: Melongenidae
Genus: Melongena
Species:
M. corona
Binomial name
Melongena corona
(Gmelin, 1791)
Synonyms [1]
  • Cassidula corona(Gmelin, 1791)
  • Fusus bicolorSay, 1826 (original combination)
  • Hemifusus corona(Gmelin, 1791) (superseded combination)
  • Hemifusus corona var. estephomenosMelvill, 1881
  • Hemifusus corona var. minorG. B. Sowerby III, 1879
  • Melongena altispiraPilsbry & Vanatta, 1934
  • Melongena belknapiPetit, 1852
  • Melongena bicolor(Say, 1826)
  • Melongena corona altispiraPilsbry & Vanatta, 1934
  • Melongena corona aspinosa(Dall, 1890)
  • Melongena corona bicolor(Say, 1826)
  • Melongena corona corona(Gmelin, 1791
  • Melongena corona johnstonei(Clench & Turner, 1956)
  • Melongena corona perspinosaPilsbry & Vanatta, 1934
  • Melongena corona sprucecreekensisTucker, 1994
  • Melongena corona f. altispiraPilsbry & Vanatta, 1934 (original combination)
  • Melongena pyruloides(DeKay, 1843)
  • Murex coronaGmelin, 1791 (original combination)

Melongena corona, common name the Florida crown conch, is a species of sea snail, a marine gastropod mollusk in the family Melongenidae, the crown conches and their allies. [2]

Contents

Subspecies

Description

The shell of this species is extremely variable in terms of the degree of spiny ornamentation. Some shells are much smoother than others. These snails can be as large as about 5 in (12 cm) long, and are mostly dark brown with irregular bands of white or cream, but an overall light-color yellow form, without banding, is also known. There are small spines on the largest whorl of the smoother forms: the most spiny forms have several rows of spines. The aperture of the shell can be closed at will with an operculum.

Ecology

Diet

This snail is a predator; it eats other mollusks, including scallops. [3] M. corona is a significant scavenger and detects food using chemical stimuli. It has been recorded feeding on dead horseshoe crabs and on fish scraps. The banded tulip snail, Cinctura hunteria , is commonly eaten by M. corona. [4] Live oysters are a component of the diet of M. corona, but it is not a major oyster predator. [4] [5] M. corona feeds on oysters by inserting its proboscis between the valves of the oyster shell. [5] M. corona also feeds on the common solitary sea squirts Styela plicata and Molgula occidentalis . [6]

Predators

Melongena corona is known to be prey of the Florida horse conch Triplofusus giganteus [4] and the whitespotted eagle ray Aetobatus narinari . [7]

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References

  1. Masterson, J. (2008). "Smithsonian Marine Station at Fort Pierce" . Retrieved 12 January 2010.
  2. MolluscaBase eds. (2021). MolluscaBase. Melongena corona (Gmelin, 1791). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=420061 on 2021-07-11
  3. Crowned Conch: Dark Invader Retrieved 2011-11-29.
  4. 1 2 3 Hathaway, Ralph R.; Woodburn, K. D. (1961). "Studies on the crown conch Melongena corona Gmelin". Bulletin of Marine Science of the Gulf and Caribbean. 11 (1): 45–65.
  5. 1 2 Menzel, Winston R; Nichy, Fred E (1958). "Studies of the distribution and feeding habits of some oyster predators in Alligator Harbor, Florida". Bulletin of Marine Science of the Gulf and Caribbean. 8 (2): 125–145.
  6. Dalby, James E. (1989). "Predation of ascidians by Melongena corona (Neogastropoda: Melongenidae) in the northern Gulf of Mexico". Bulletin of Marine Science. 45 (3): 708–712.
  7. Cahill, Brianna V.; Eckert, Ryan J.; Bassos-Hull, Kim; Ostendorf, Thomas J.; Voss, Joshua D.; DeGroot, Breanna C.; Ajemian, Matthew J. (2023-07-26). "Diet and Feeding Ecology of the Whitespotted Eagle Ray (Aetobatus narinari) from Florida Coastal Waters Revealed via DNA Barcoding". Fishes. 8 (8): 388. doi: 10.3390/fishes8080388 . ISSN   2410-3888.