Haustrum scobina
| Haustrum scobina | |
|---|---|
_001.jpeg) | |
| Shell of Haustrum scobina (lerctotype at MNHN, Paris) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Muricidae |
| Genus: | Haustrum |
| Species: | H. scobina |
| Binomial name | |
| Haustrum scobina | |
| Synonyms[1] | |
| |
Haustrum scobina, or the oyster borer, is a species of predatory sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.[1]
Oyster borers use a mucous layer that surrounds the entrance to their shell to prevent desiccation in the midlittoral and high tidal zones. Oyster Borers are frequently found in crevices which have more protection from predators, higher water availability, lower temperature, extremes in salinity and protection from the sun and wind.
Description
The length of the shell varies between 14 mm and 35 mm. It is white and slightly beige colored with specks of varying shades of brown.
(Original description in Latin of Purpura tristis) The shell is ovate-subconical and is composed of five or six convex whorls that are divided by a distinct suture. The spire is exserted and slightly angled in the middle of the whorls. The body whorl is twice as large as the others and is transversely ribbed. The odd-numbered ribs are articulated with black or brown spots against a grayish-white background color, which forms the foundation of the pattern. The columella is slightly excavated and is chestnut or reddish-brown in color. The outer lip is not thickened, is patterned with black and white, and is grooved inside. The siphonal canal is rather short and nearly straight, while the aperture throat is a dark blackish-brown. [2]
Distribution
It is endemic to New Zealand and is found off the North, South, Stewart and the Chatham Islands.[3] This species generally prefers inter-tidal zones, such as the Hauraki Gulf of Auckland, New Zealand.[4]
References
- 1 2 Haustrum scobina (Quoy & Gaimard, 1833). Retrieved through: World Register of Marine Species on 24 April 2010.
- ↑ Dunker [W.] & Zelebor J. 1866. Bericht über die von der Novara-Expedition mitgebrachten Mollusken. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien, 16: 909-916
This article incorporates text from this source, which is in the public domain. - ↑ "NZ Mollusca - Haustrum scobina". www.mollusca.co.nz. Retrieved 26 October 2020.
- ↑ "Shellfish Identification Guide". Hauraki Gulf Forum. http://www.arc.govt.nz/albany/fms/main/Documents/Environment/Coastal%20and%20marine/Shellfish%20Identification%20Guide.pdf Archived 22 May 2010 at the Wayback Machine.
Further reading
- Miller M & Batt G, Reef and Beach Life of New Zealand, William Collins (New Zealand) Ltd, Auckland, New Zealand 1973
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
- Beu, A. G. 1990. Molluscan generic diversity of New Zealand Neogene stages: extinction and biostratigraphic events. – Palaeogeography, Palaeoclimatology, Palaeoecology 77: 279–288.
- Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. pp 196–219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press,
External links
- Quoy J.R.C. & Gaimard J.P. (1832-1835). Voyage de découvertes de l'"Astrolabe" exécuté par ordre du Roi, pendant les années 1826-1829, sous le commandement de M. J. Dumont d'Urville. Zoologie. 1: i-l, 1-264; 2(1): 1-321 [1832]; 2(2): 321-686 [1833]; 3(1): 1-366 [1834]; 3(2): 367-954 [1835]; Atlas (Mollusques): pls 1-93 [1833]. Paris: Tastu
- Tan, K. S. 2003. Phylogenetic analysis and taxonomy of some southern Australian and New Zealand Muricidae (Mollusca: Neogastropoda). – Journal of Natural History 37: 911–1028
- Beu A.G. (2004) Marine Mollusca of oxygen isotope stages of the last 2 million years in New Zealand. Part 1: Revised generic positions and recognition of warm-water and cool-water migrants. Journal of the Royal Society of New Zealand 34(2): 111-265