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Sand hopper (Talitrus saltator)
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Find out here.Sand hopper fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
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Sand hopper description
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Class | Crustacea |
| Order | Amphipoda |
| Family | Talitridae |
| Genus | Talitrus (1) |
Sand-hoppers are so called because of their ability to leap when disturbed; they do so by tucking in the tail, and rapidly flicking it out (2). Talitrus saltator is greyish-green in colour, with black eyes (3). One antenna is always much longer and thicker than the other (2).
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Sand hopper biology
This sand hopper spends the day buried in the sand at depths of 10-30 cm, well above the high water mark. It emerges at night to feed on decaying seaweed and other vegetation along the strandline (2). Adults spend the winter in a dormant state above the spring tide high water mark, buried in the substrate at depths of up to 50cm (2). Burrowing into sand means that the sand hopper escapes desiccation (2). Juveniles are unable to burrow, so they retreat to recently deposited seaweed instead, where humidity is relatively high (2).
Like all crustaceans, the sand hopper's reproduction is tied closely to the moult cycle. Adults form pairs and mate after the female moults; most reproductive activity takes place between May and August. The female carries the fertilised eggs around in a brood pouch. Juveniles reach maturity by autumn, but do not breed until the summer of the following year (2). Females live for around 18 months, and die during their second winter. Males on average live to around 21 months, dying after the females (2).
TopSand hopper range
Common on all coasts of Britain (2), this sand hopper is also known from Ireland, the north east Atlantic, the North Sea, and around European coasts, from Norway to the Mediterranean (2).
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Species with a similar range
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You can view distribution information for this species at the National Biodiversity Network Gateway. |
Sand hopper habitat
Found on sandy shores in association with decaying seaweed (3).
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Species found in a similar habitat
Sand hopper status
Common and widespread.
TopSand hopper threats
Not currently threatened.
TopSand hopper conservation
Conservation action has not been targeted at this species.
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There may be further information about this species available via the National Biodiversity Network Gateway. |
Find out more
For more on this species see the Marine Life Information Network species account:
http://www.marlin.ac.uk/species/Talitrussaltator.htm
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.ukTopGlossary
- Antenna
- One of a pair of sensory structures on the head of invertebrates.
References
- National Biodiversity Network Species Dictionary (November, 2002)
http://www.nhm.ac.uk/nbn/ - Budd, G. C. 2002. Talitrus saltator. A sand hopper. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth:Marine Biological Association of the United Kingdom. (November, 2002)
http://www.marlin.ac.uk/species/Talitrussaltator.htm - Fish, J.D. and Fish, S. (1996) A student's guide to the seashore. Second Edition. Cambridge University Press, Cambridge.
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This species is featured in:
This is a UK sandy shore species. Visit our habitat page to learn more.
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Sand hopper
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