Mitra (Strigatella) decurtata   Reeve,  1844 (Sea Snail)
Organism information awaits expert curation
Class: Gastropoda

Image copyrights: Manfred Herrmann

Size: 37 mm.

Color: Almost black in color, ornamented with 1 or 2 very narrow, orange, pale yellow or white bands on the body whorl, the narrow bands are brighter in parts, giving the band the impression of being spotted. The parietal wall is brown and the aperture, columellar folds and parietal callosity are bluish white. The periostracum is moderately thin, orange-brown, longitudinally striate and moderately opaque.

Shell about 1 ½ inches in length, heavy and solid, ovate, sutures distinct, irregular and narrowly incised, spire short. Whorls 5, apart from the protoconch, spire whorls convex but usually eroded up to the penultimate or antepenultimate whorls, last 2 whorls smooth apart from obsolete spiral striae, macroscopic longitudinal hair-lines and distinct cords on the lower half of the body whorl. Aperture longer than the spire, narrow and smooth within, outer lip gibbous and angulate near the start, greatly thickened, margin smooth, interior of lip prominently calloused. Columella concave, calloused, and with 4-5 prominent and curved folds, posterior of parietal wall with a white callosity, siphonal fasciole short and slightly angled towards the aperture, siphonal notch distinct.

Synonym (s)
Mitra decurtata Reeve, 1844
Mitra (Strigatella) scutulata (pars) Lamarck, 1882
Mitra (Strigatella) decurtata Reeve, 1923
Mitra (Strigatella) colombelliformis Kiener, 1967

Common Name (s)
Economic Importance and Threats

Habitat:  Reef Associated, Rocky, Coastal


• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Andaman and Nicobar Islands, Camorta INDIA
• Andaman and Nicobar Islands, Car Nicobar (Lat: 9.17) (Long: 92.78) INDIA
• Andaman and Nicobar Islands, Nancowry Island (Lat: 7.98) (Long: 93.53) INDIA
• Andaman and Nicobar Islands, Great Nicobar INDIA

Literature Source(s)
  • Subba Rao, NV (2003) Indian seashells Records of the Zoological Survey of India ZSI, Kolkata (Part 1) 416 pp Available at - NCL, Pune
  • Cernohorsky, WO (1973) The Mitridae of the World Indo-Pacific Mollusca Delaware Museum of Natural History Grenville, Delaware, U.S.A 3(17) 273-528 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Subba Rao, NV and Dey, A (2000) Catalogue of marine molluscs of Andaman and Nicobar Islands Occasional paper no 187 Records of the Zoological Survey of India ZSI 1-323 Available at - NCL, Pune

Page last updated on:2012-07-16

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