Snail (Trachycystis haygarthi)

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Trachycystis haygarthi
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Snail fact file

Snail description

KingdomAnimalia
PhylumMollusca
ClassGastropoda
OrderStylommatophora
FamilyCharopidae
GenusTrachycystis (1)

This rare, pale-coloured snail is probably most notable for its highly distinctive whitish shell, with a conspicuous chestnut-brown border to the outer edge of each whorl creating a bold spiral pattern. The creamy-white foot is semi translucent with brownish-grey colouring towards the front of the upper-surface, and the tentacles are grey.

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Snail biology

Nothing is known of this snail’s social, reproductive or feeding behaviour.

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Snail range

This South African endemic is known only from two small forests, Nkandla and Entumeni, KwaZulu-Natal, which are separated by only 35 km (1).

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Snail habitat

Found in mist-belt Podocarpus and scarp forest (1).

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Snail status

Classified as Endangered (EN) on the IUCN Red List 2006 (1).

IUCN Red List species status – Endangered

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Snail threats

Despite formal protection, the remote, rural forests in which this snail is found continue to be used by local people and their livestock, and this disturbance threatens to destroy and degrade critical habitat for this species (1).

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Snail conservation

Both forests are formerly conserved areas under the control of KwaZulu-Natal Wildlife, and as such, are afford a degree of protection. However, the actual levels of protection provided on the ground are limited, particularly in the case of Nkandla Forest, and local communities may be having a detrimental impact on these forests and the wildlife they support (1).

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Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.uk
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Glossary

Endemic
A species or taxonomic group that is only found in one particular country or geographic area.
Whorl
In animals,a spiral or convolution in the shell of a snail.
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References

  1. IUCN Red List (July, 2006)
    http://www.iucnredlist.org
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Image credit

Trachycystis haygarthi  
Trachycystis haygarthi

© Dai Herbert / Natal Museum

Dai Herbert, Natal Museum
dherbert@nmsa.org.za

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