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Coenobita Abdominal Appendages

The abdominal appendages of the land hermit crab include the thoracic appendages, pleopods, uropods and telson [1].
The thoracic appendages are used for cleaning the gills, gripping the shell, gripping a mate during copulation.

The pleopods are used for brooding eggs.

At the end of the pleon is the tail fan, comprising a pair of biramous uropods and the telson, which bears the anus. Together, they are used for steering while swimming, and in the caridoid escape reaction.

2015Rugosus_UropodsPleopods
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita shield
Coenobita shield
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
2015Rugosus_Pleopod
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomenal appendages
Coenobita abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
2015-05-12 16.06.07
2015-05-12 16.06.36
Photo credit- Kira Ramirez
Photo credit- Kira Ramirez
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
2015Rugosus_Uropods
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages
Coenobita abdomen and abdominal appendages

We are building image galleries of specific body parts. If you have high resolution, clear photos that you would like to donate to this project please contact us via email: crabstreetjournal at gmail dot com


Overview of the anatomy of a land hermit crab (Coenobita)

References:
1. Dardanus megistos by Storm Martin 2012

2. Robert P. D. Crean (November 14, 2004). “Characters and Anatomy”. Order Decapoda. University of Bristol. Retrieved April 23, 2012.

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Related

2015-03-15
In: Biology
Tagged: abdomen, anatomy, appendages, body, body parts, coenobita, hermit crab, hermit crab care, pleopods, telson, uropods
Previous Post: So you want to buy a hermit crab?
Next Post: Coenobita gravid

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