Rhinoceros snail

Rhinoceros snail
Vasum rhinoceros , tidal pool near Mombasa , Kenya
Systematics
Subordination : Hypsogastropoda Partial order : New snails (Neogastropoda) Superfamily : Muricoidea Family : Turbinellidae Genre : Vasum Type : Rhinoceros snail
Scientific name
Vasum rhinoceros
( Gmelin , 1791)

Casing of Vasum rhinoceros

The rhino screw ( Vasum rhinoceros ) is a snail from the family of turbinellidae (genus Vasum ), which in the Indian Ocean on the coast of East Africa is widespread. It feeds mainly on polychaetes .

features

The shell of Vasum rhinoceros , which is about 7 cm in size in fully grown snails, has a raised thread, the circumferences of which on the shoulder are sculpted with a spiral series of massive knots. The case mouth is serrated and the spindle has three individual folds. The surface of the shell is light brown with circular white lines, the inside of the case mouth is white. The spindle is rich reddish brown with pale yellow edges, the outer lip of the case mouth is yellow to cream-colored. In juveniles, the spindle has only brown bands and the outer lip has black-brown edges.

Distribution and occurrence

Vasum rhinoceros lives on the coasts of Zanzibar ( Tanzania ) and Kenya on muddy substrates.

food

Vasum rhinoceros feeds on Vielborstern and spray worms .

Web links

Commons : Rhinoceros snail ( Vasum rhinoceros )  - Collection of images, videos and audio files

• Fischhaus Zepkow: Family Turbinellidae - Vases & Chanks

Individual evidence

1. ^ ^{A b} Indo-Pacific Mollusca , Volume 2. Delaware Museum of Natural History, 1967. p. 193.
2. ^ Walter Freeman Webb: Handbooks for Shell Collectors: Illustrations and Descriptions of Over 2,000 Marine Species Foreign to the United States of America. Lee Publications, 1967. p. 213.
3. ↑ JF Spry: The Sea Shells of Dar Es Salaam: Gastropods. Rev. and enl. ed. 1961. p. 25.
4. ↑ JD Taylor (1984): The diet of Indo-Pacific Vasum (Gastropoda: Vasidae). Journal of Conchology 31, pp. 375-382.