Marine life individuals per square meter and accounting for about 80% of all individual animals on earth, their diversity of life cycles, and their presence at various trophic levels point at an important role in many ecosystems. Echinoderms (Greek for "spiny skin") is a phylum which contains only marine invertebrates. The adults are recognizable by their radial symmetry (usually five-point) and include starfish, sea urchins, sand dollars, and sea cucumbers, as well as the sea lilies. Echinoderms are found at every ocean depth, from the intertidal zone to the abyssal zone. The phylum contains about 7000 living species, making it the second-largest
Fiery spiny mouse the skin quite easily. Unlike other species in the genus, the fiery spiny mouse does not lose its bare, scaled tail as easily. The fiery spiny mouse varies in color from a deep brown to a reddish mixed with some black on its back while the belly is white. The dorsal surface color has also been described as being orange in color. It has medium-sized ears and black eyes. The fiery spiny mouse is found in Northeastern Tanzania, near the Usambara Mountains and in Southern Kenya. It has a strictly confined habitat, occupying primarily rocky habitats in dry savannas in