Nassarius castus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Nassariidae
Genus:	Nassarius
Species:	N. castus
Binomial name
Nassarius castus (Gould, 1835)
Synonyms[1]
Arcularia caelata (A. Adams, 1852) Buccinum rufum Dunker, 1847 † Nassa (Alectryon) caelata A. Adams, 1852 † Nassa (Hinia) verbeeki K. Martin, 1895 † Nassa (Hinia) verbeeki fekuensis Koperberg, 1931 † Nassa (Hinia) verbeeki fischeri Koperberg, 1931 Nassa (Hinia) vitiensis Hombron & Jacquinot, 1946 † Nassa (Telasco) verbeeki K. Martin, 1895 Nassa (Zeuxis) levukensis Watson, 1882 Nassa caelata A. Adams, 1852 Nassa casta Gould, 1850 Nassa costata A. Adams, 1852 Nassa elongata Marrat, 1874 Nassa incognita Thiele, 1925 Nassa lactea Marrat, 1880 Nassa maldivensis E.A. Smith, 1903 Nassa mukulensis E.A. Smith, 1903 Nassa oriens Marrat, 1880 Nassa sinensis Marrat, 1877 Nassa thaumasia Sturany, 1900 Nassa vitiensis Rousseau, 1854 Nassarius (Hinia) caelatus (A. Adams, 1852) Nassarius (Hinia) caelatus danitensis Makiyama, 1927 Nassarius (Zeuxis) caelatus (A. Adams, 1852) † Nassarius (Zeuxis) caelatus verbeeki (K. Martin, 1895) Nassarius (Zeuxis) castus (Gould, 1850) Nassarius (Zeuxis) kiiensis Kira, 1954 Nassarius (Zeuxis) kiiensis Kira, 1959 † Nassarius (Zeuxis) minoensis Itoigawa, 1960 † Nassarius (Zeuxis) miyazakiensis Shuto, 1962 Nassarius (Zeuxis) vitiensis (Hombron & Jaquinot, 1946) Nassarius caelatus (A. Adams, 1852) Nassarius thaumasius (Sturany, 1900) Niotha caelata A. Adams, 1870 Zeuxis caelatus (A. Adams, 1852) Zeuxis kiiensis Kira, 1954

Nassarius castus is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the Nassa mud snails or dog whelks.^[1]

The length of the shell varies between 17 mm and 41 mm.

This species occurs in the Red Sea, in the Indian Ocean off the Mascarene Basin and La Réunion; in the Indo-West Pacific.

• Cernohorsky W. O. (1984). Systematics of the family Nassariidae (Mollusca: Gastropoda). Bulletin of the Auckland Institute and Museum 14: 1–356. [details]
• Vine, P. (1986). Red Sea Invertebrates. Immel Publishing, London. 224 pp.
• Marais J.P. & Kilburn R.N. (2010) Nassariidae. pp. 138–173, in: Marais A.P. & Seccombe A.D. (eds), Identification guide to the seashells of South Africa. Volume 1. Groenkloof: Centre for Molluscan Studies. 376 pp.

• "Nassarius (Zeuxis) castus". Gastropods.com. Retrieved 16 January 2019.