In: General

In hermit crabs, the fourth and particularly the fifth pereopods are reduced, usually remaining within the confines of the gastropod shell and hence are not used for walking. These appendages do however becoming important when the hermit crab attempts to right itself, providing anchorage within the shell. Further, the fifth pereopod has become specialised as a gill cleaning appendage, often resting within the gill chamber (Bauer 1981). On the abdomen only the left pleopods are retained (Poore 2004).[1] Hermit crabs used specialized setae on the their maixillipedes and fifth pereiopods for most grooming but used the unmodified first, second, and third periopods as well. MostRead More →

In: Biology

Overview of the anatomy of a land hermit crab (Coenobita): 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 Click to be taken to the gallery:Chelipeds or pincersEyesAntenna (antennal flagellum, antennular flagellum, antennule)Mandibles and MaxipellidGills and branchial chamberAbdomen, Uropods, Pleopods, TelsonWater or molt sacEgg clusterGonoporesShieldRead More →