Neverita josephinia

Housing of Neverita josephinia

The moon snail or Josephine Josephine's navel worm ( Neverita josephinia ) is a snail from the family of moon snails that feed on mollusks. She lives in the Mediterranean and adjacent areas of the Atlantic.

Features

The hemispherical, very crooked and flattened shell of Neverita josephinia that reaches up to 2.8 cm in length and a diameter of up to 3.6 cm in adult snails, has a smooth, glossy surface and clearly visible growth lines. The whorls of the thread are very shallow. The body is dealing from the middle strongly rounded and gradually fills up over the very wide, funnel-shaped navel, the center of which is entirely filled with a thick, semi-cylindrical bead, which is rarely the same and the extended part partially. The case mouth is very wrong and half egg-shaped. The shell surface is colored fleischrot and goes bluish. The seam is surrounded by a yellow armband. The top and base of the house are whitish, reddish brown the top of the pit. The Nabelwulst is pale flesh-colored brownish. The honey-colored operculum of Josephine - moon snail is thin and horny.

Mesopodium and Propodium the worm are all white and cover the shell during creep almost completely to the top. The Mesopodium is about twice as wide as the shell and widens to the rear. The Propodium has about housing length.

The collar-shaped, formed of sand and jelly clutches of single-sex Josephine - moon snail have a diameter of about 5 to 6 cm. The development of the larval stages takes place in the tiny egg capsules each containing an egg. The hatching juveniles, finished worm, have a housing length of about 780 microns.

Dissemination and lifestyle

The Josephine - moon snail occurs in the Mediterranean. There she is on sandy soils very often. She lives in the intertidal zone and below at depths of up to 20 meters. Like other moon snails feed on Neverita josephinia of mussels and snails. The prey is includes with the foot and drilled with the radula a hole in the shell.