| Mancinella armigera | |
|---|---|
 | |
| Museum specimen | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Superfamily: | Muricoidea |
| Family: | Muricidae |
| Subfamily: | Rapaninae |
| Genus: | Mancinella |
| Species: | M. armigera |
| Binomial name | |
| Mancinella armigera Link, 1807 | |
| Synonyms [1] | |
| |
Mancinella armigera is a species of sea snail, a marine gastropod mollusk, in the family Muricidae, the murex snails or rock snails. [1] [2]
The size of an adult shell varies between 50 mm and 105.5 mm.[ citation needed ]
These large drupes have thick , spindle shaped shells covered by blunt tubercles, the aperture is yellowish brown.. [3] Common along some exposed rocky coasts at depths of 10-40ft, the shells are typically covered with a pink coralline algae.. [3] They often occur in pairs; the species name means “bearing arms” to about 3 in. [3] But they are harmless to humans. [4]
Shell: biconic, spire projecting; massive, two rows of projecting noodles on the last whorl; white, aperture yellow. [5] Spire: Projecting and acuminate; suture shallow. [5] Sculpture: eight axial ribs with two rows of prominent tubercles encircling the last whorl, A single spiral of tubercles on the other whorls; spiral sculpture of fine striae. [5] Aperture; ovate; Outer lips slightly thickened, with six denticles; columella with a single absolute plait;siphonal fasciole Modernly developed. [5]
Color: white, aperture yellow. Shell often covered with a thick calcareous deposit. [5]
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This species is a non broadcast spawner. Life cycle does not include trochophore stage. Also Ref. 833 [6]
This species is distributed in the Indian Ocean along Chagos, the Aldabra Atoll and Tanzania; in the Pacific Ocean along Japan.[ citation needed ]
milieu/ climate zone/ depth range/ distribution range: benthic tropical. [7] These gastropods occur at the outer edge of fringing reefs and subtitle lava shoulders exposed to heavy wave action. [8]
Collected for food by coastal populations. (Ref. 349). [9]
Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine gastropod mollusks, commonly known as murex snails or rock snails. With about 1,600 living species, the Muricidae represent almost 10% of the Neogastropoda. Additionally, 1,200 fossil species have been recognized. Numerous subfamilies are recognized, although experts disagree about the subfamily divisions and the definitions of the genera. Many muricids have unusual shells which are considered attractive by shell collectors and by interior designers.
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