ARATUS PISONII PDF

The large eyes are set far apart and the carapace is wider at the front than at the back. It is a mottled brown and olive colour which helps the crab to blend in with its surroundings. The legs are either brown or mottled and there are tufts of black hairs near their tips. These are pointed which aids the crab when climbing among the mangrove foliage.

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Classification Domain The Aratus pisonii is in the Eukaryote domain. A characteristic that places the tree crab into the Eukaryote domain would be its membrane bound organelles. This includes organelles within the boundary of the cell membrane including the nucleus and mitochondria. Eukarya covers a very wide range of organisms including plants, animals and fungi as well as a variety of protozoa including Pyrocystis fusiformis.

Major Clade The major clade Opisthkonta plays host to the Aratus pisonii. The major characteristic represented by the tree crab that places it into this clade is its rear-mounted flagellum. Fungi, such as Morchella esculentoides , are another member of this clade.

Kingdom The tree crab falls into the Kingdom Animalia. Characteristics that make this true include the lack of a cell wall and the absence of chloroplasts. The tree crab is also heterotrophic, as it does not fix its own carbon. Phylum Arthropoda is the phylum to which the tree crab belongs too. Major characteristics for this include the presence of an exoskeleton, jointed legs and appendages, bilateral symmetry, and a body divided into distinct parts. Another member of this phylum is Xylocopa virginica , or the eastern carpenter bee.

The tree crab also falls into the subphyla of the Crustaceans. Synapomorphies of this group include two body regions, five or more pairs of legs, two pairs of antennae, and the ability to reside in both aquatic and terrestrial habitats Arizona, This phylogenetic tree is representing the phyla within the Kingdom Animalia.

Class The mangrove tree crab falls into the Malacostraca class. In being in this class, the crab exhibits three main sections including the abdomen, thorax, and the head. It also has about jointed body systems. Another characteristic of this class is the presence of an open circulatory system New Hampshire Public Television, Order The order of the tree crab is Decapoda. Classification here includes the presence of ten legs, as well as a well-developed carapace Decapod Crustaceans, Family The tree crab belongs to the family Sesarmidae.

The distinguishing characteristic for this would be the ability of the crab to climb trees in the terrestrial environment Cumberlidge et al, Genus Aratus pisonii is currently the only species in the genus Aratus. It characteristic here is the lack of lateral spines on its carapace Smithsonian, Illustrated is a phylogenetic relationship displaying the genera of the family Sesarmidae. Shubert et al, Species Once again, the tree crab is the only species within its genus, so its distinguishing characteristic separating it from other members of its family is the lack of lateral spines on its carapace Smithsonian, Go back to the Home page or learn more about this species in the Form and Function page.

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Aratus pisonii

Classification Domain The Aratus pisonii is in the Eukaryote domain. A characteristic that places the tree crab into the Eukaryote domain would be its membrane bound organelles. This includes organelles within the boundary of the cell membrane including the nucleus and mitochondria. Eukarya covers a very wide range of organisms including plants, animals and fungi as well as a variety of protozoa including Pyrocystis fusiformis. Major Clade The major clade Opisthkonta plays host to the Aratus pisonii. The major characteristic represented by the tree crab that places it into this clade is its rear-mounted flagellum. Fungi, such as Morchella esculentoides , are another member of this clade.

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