Decapod anatomy Decapod anatomy The decapod crustacean, such as a crab, lobster, shrimp or prawn, is made up of 20 body segments grouped into two main body parts, the cephalothorax and the pleon (abdomen). Each segment may possess one pair of appendages, although in various groups these may be reduced or missing. They are, from head to tail: The head also bears the (usually stalked) compound eyes. The distal portion of a mandible or maxilla which has a sensory function is known as a palp. Maxillipeds are appendages modified to function as mouthparts. Particularly in the less advanced decapods, these can be
Planalto hermit Planalto hermit The planalto hermit ("Phaethornis pretrei") is a species of bird in the family Trochilidae, the hummingbirds. It is found in eastern and south-central Brazil, eastern Bolivia, Paraguay, and marginally in north-western Argentina. It is usually easily recognized by its relatively large size, broad white tips to all the rectrices, and cinnamon-buff underparts and rump – the latter contrasing clearly with its tail and remaining upperparts. This is essentially a non-forest hermit, being found in a wide range of open and semi-open habitats, including Caatinga, Cerrado, and the Pantanal. It is widespread and generally common, and therefore considered to