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{{Short description|Species of gastropod}}
{{Short description|Species of gastropod}}
{{Speciesbox
{{Speciesbox
| image = Strombus alatus.jpg
| image = Conch.png
| image_caption = A Florida fighting conch on a Florida beach
| image_caption = Front view of ''S. alatus'' showing the snout in front and stalked eyes behind, one of which reaches out through the [[stromboid notch]] in the shell
| image2 = Strombus alatus Gmelin, 1791 2013 000.JPG
| image2 = Strombus alatus Gmelin, 1791 2013 000.JPG
| genus = Strombus
| genus = Strombus

Latest revision as of 13:48, 13 August 2024

Strombus alatus
A Florida fighting conch on a Florida beach
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Strombidae
Genus: Strombus
Species:
S. alatus
Binomial name
Strombus alatus
(Gmelin, 1791)
Synonyms

Strombus alatus, the Florida fighting conch, is a species of medium-sized, warm-water sea snail, a marine gastropod mollusk in the family Strombidae, the true conchs. Its name derives two Latin words. Strombus means, in Latin, a snail with spiral shell, which derives from the Greek στρόμβος, meaning anything turned or spun around, like a top or, as in Aristotle's Historia Animalium, a sea snail. Alatus means, in Latin, "winged".

Distribution

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This conch occurs in the Western Atlantic Ocean from North Carolina to Florida and the Gulf of Mexico, Louisiana, Texas, and the east coast of Mexico.[1][2]

Description

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The shell can be as large as 112 mm (4.4 in).[1][3]

This species is closely similar to Strombus pugilis, the West Indian fighting conch, which has a more southerly range. S. alatus shells have less prominent subsutural spines and slightly more projected outer lips. Some scientists have treated the two as distinct species; others as subspecies.[4] In an extensive study of the Stromboidea in 2005, Simone provisionally treated these as distinct species, but observed, "no spectacular morphological difference was found [and] all related differences, even those of the genital system, can be regarded as extreme of variation of a single, wide distributed, variable species."[5]

Phylogeny

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Fossil Strombus alatus
from Caloosahatchee Formation, Sarasota, Florida, USA

A cladogram based on sequences of nuclear histone H3 gene and mitochondrial cytochrome-c oxidase I (COI) gene showing phylogenetic relationships of (32 analyzed) species in the genus Strombus and Lambis, including S. alatus, was proposed by Latiolais et al. (2006):[6]

Phylogeny and relationships of Eastern Pacific and Atlantic Strombus species, according to Latiolais et al. (2006)[6]

Habitat

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The minimum recorded depth for this species is the surface; the maximum recorded depth is 183 m.[3]

References

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  1. ^ a b "Malacolog ver. 4.1.1". The Academy of Natural Sciences. Retrieved 30 September 2009.
  2. ^ Perry, H.; Larsen, K. (2004). "Strombus alatus Gmelin, 1791 Florida Fighting Conch" (PDF). A Picture Guide to Shelf Invertebrates from the Northern Gulf of Mexico. Retrieved 27 June 2010.
  3. ^ a b Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
  4. ^ Simone (2005): Comparative Morphological study of representatives of the three families of Stromboidea and the Xenophoroidea (Mollusca, Caenogastropoda), with an assessment of their phylogeny Archived 5 March 2012 at the Wayback Machine, p. 142.
  5. ^ Simone (2005): Comparative Morphological study of representatives of the three families of Stromboidea and the Xenophoroidea (Mollusca, Caenogastropoda), with an assessment of their phylogeny Archived 5 March 2012 at the Wayback Machine, p. 169.
  6. ^ a b Latiolais J. M., Taylor M. S., Roy K. & Hellberg M. E. (2006). "A molecular phylogenetic analysis of strombid gastropod morphological diversity". Molecular Phylogenetics and Evolution 41: 436–444. doi:10.1016/j.ympev.2006.05.027. PDF.