Notocochlis chemnitzii

Notocochlis chemnitzii
	A live animal in the Gulf of California
	Showing operculum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Naticidae
Genus:	Notocochlis
Species:	N. chemnitzii
Binomial name
	Notocochlis chemnitzii; (L. Pfeiffer, 1840)
Synonyms
	Natica chemnitzii L. Pfeiffer, 1840; Natica pritchardi Forbes, 1852; Natica undata Philippi, 1852;

Notocochlis chemnitzii, or Chemnitz' moon snail, is a species of gastropod mollusc. It was first described to science in 1840 by Ludwig Karl Georg Pfieffer. The animal is likely named after conchologist Johann Hieronymus Chemnitz.

Description

Multiple perspectives on Notocochlis chemnitzii

The shell is smooth. There are four to five whorls with a short spire.[1] It is grayish-blue to grayish-yellow, with arrow-shaped bands of brown and white. Some individuals may have a white band on the upper part of their whorls. The interior of the shell is brown. The shell has a maximum length of 33 mm (1.3 inches) and a diameter of 31 mm. The operculum is white and smooth.[2]

Distribution

These snails are found from Baja California Sur to Peru, including the Gulf of California. This species is also found in the Galapagos Islands.[3] They live in the intertidal zone, down to 3 meters (10 feet) deep, on sand and mud flats.[2]

Life history

This moon snail preys on small bivalves.[4] It is actively mobile, hunting on soft seabeds for buried clams. It uses an abrasive appendage called a radula to drill into the shells of small clams. Once inside, it secretes digestive fluids and then feeds on the clam slurry that results. There is some evidence that one of the species it preys on is Chionista fluctifraga, the smooth Venus clam.[5]

References

"Chemnitz' Moon Shell | Mexico – Fish, Birds, Crabs, Marine Life, Shells and Terrestrial Life". 5 November 2018. Retrieved 2019-11-24.
Keen, A. Myra (1958). Sea Shells of Tropical West America. Stanford, California: Stanford University Press. pp. 320-321.
"Galapagos Species Checklist". www.darwinfoundation.org. Retrieved 2019-11-24.
Smith, Jansen A.; Dietl, Gregory P. (2016). "The value of geohistorical data in identifying a recent human‐induced range expansion of a predatory gastropod in the Colorado River delta, Mexico". Journal of Biogeography. 43 (4): 791–800. doi:10.1111/jbi.12644. ISSN 0305-0270. S2CID 85883348.
Rojas, Alexis; Hendy, Austin; Dietl, George (December 20, 2015). "Edge-drilling behavior in the predatory gastropod Notocochlis unifasciata (Lamarck, 1822) (Caenogastropoda, Naticidae) from the Pacific coast of Panama: taxonomic and biogeographical implications". Vita Malacologica. 13: 63–72.

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[1] "Chemnitz' Moon Shell | Mexico – Fish, Birds, Crabs, Marine Life, Shells and Terrestrial Life". 5 November 2018. Retrieved 2019-11-24.

[:0-2] Keen, A. Myra (1958). Sea Shells of Tropical West America. Stanford, California: Stanford University Press. pp. 320-321.

[3] "Galapagos Species Checklist". www.darwinfoundation.org. Retrieved 2019-11-24.

[4] Smith, Jansen A.; Dietl, Gregory P. (2016). "The value of geohistorical data in identifying a recent human‐induced range expansion of a predatory gastropod in the Colorado River delta, Mexico". Journal of Biogeography. 43 (4): 791–800. doi:10.1111/jbi.12644. ISSN 0305-0270. S2CID 85883348.

[5] Rojas, Alexis; Hendy, Austin; Dietl, George (December 20, 2015). "Edge-drilling behavior in the predatory gastropod Notocochlis unifasciata (Lamarck, 1822) (Caenogastropoda, Naticidae) from the Pacific coast of Panama: taxonomic and biogeographical implications". Vita Malacologica. 13: 63–72.