Territory Stories

Nature Territory

Details:

Title

Nature Territory

Other title

Newsletter of the Northern Territory Field Naturalists' Club Inc.

Creator

Northern Territory Field Naturalists' Club Inc.

Collection

Nature Territory; Nature Territory; E-Journals; PublicationNT

Date

2017-10-01

Notes

Made available via the Publications (Legal Deposit) Act 2004 (NT).; This publication contains many links to external sites. These external sites may no longer be active.

Language

English

Subject

Natural history; Northern Territory Field Naturalists' Club; Periodicals

Publisher name

Northern Territory Field Naturalists' Club Inc.

Place of publication

Darwin

Volume

Newsletter, October 2017

File type

application/pdf

Use

Copyright

Copyright owner

Northern Territory Field Naturalists' Club Inc.

License

https://www.legislation.gov.au/Details/C2019C00042

Parent handle

https://hdl.handle.net/10070/299754

Citation address

https://hdl.handle.net/10070/381408

Page content

Page 8 Nature Territory - October 2017 orangish speckles. Around Darwin, crabs l ive within the Rhizophora mangrove zone, and if you?re lucky enough to see one, they?re usually found waiting in ambush with their backs against the stilt roots of a tree like the one in the accompanying il lustration. Studies have shown that this species eats pretty much any small invertebrate it can catch, but generally crabs feed upon snails and other resident crabs (including crabs its own size). In local forests crabs have a penchant for tree-climbing snails such as the Angulate Ear Snail (Cassidula angulifera) and the Black Nerite (Nertia balteata). Broken shell fragments of the latter are often found in small piles near the lair or favoured hunting spot of crabs, indicating this ambush kil ler is not too far away. References: Cannicci, S., Ruwa, R. K., Giuggioli, M., & Vannini, M. (1998). Predatory activity and spatial strategies of Epixanthus dentatus (Decapoda: Oziidae), an ambush predator among the mangroves. Journal of Crustacean Biology, 18(1), pp. 57?63. Davie, P. J., Guinot, D., & Ng, P. K. (2015). Systematics and classif ication of Brachyura. Treatise on zoology?anatomy, taxonomy, biology. The Crustacea, 9, pp. 1049?1130. Vannini, M., Cannicci, S., & Fratini, S. (2001). Prey selection of Epixanthus dentatus (Crustacea: Brachyura: Eriphiidae) as determined by its prey remains. Journal of the Marine Biological Association of the United Kingdom, 81(3), pp. 455?459. Figure 2: Magnified view of the distinctive, forceps-shaped pincer of the aptly-named Mangrove Forceps Crab (Epixanthus dentatus).


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