Lauriea Siagiani
''Lauriea siagiani'', is a species of squat lobster in the family Galatheidae, genus ''Lauriea''. Description ''Lauriea siagiani'' is a small squat lobster, up to long. It differs from the only other species in the genus, ''Lauriea gardineri'' by a number of features, but most obviously by the coloration: ''L. gardineri'' is pale brown with darker bands, while ''L. siagiani'' is orange or pink with red or purplish markings. Distribution and ecology ''Lauriea siagiani'' is found around the giant sponge ''Xestospongia testudinaria'', and has been recorded from Indonesia, the Philippines and Japan. Taxonomy ''Lauriea siagiani'' was described in 1994 by Keiji Baba; the specific epithet commemorates Wilhelm Siagian, who collected the type material In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to an ...
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Giant Barrel Sponge
The giant barrel sponge (''Xestospongia muta'') is the largest species of sponge found growing on Caribbean coral reefs. It is common at depths greater than down to and can reach a diameter of 1.8 metres (6 feet). It is typically brownish-red to brownish-gray in color, with a hard or stony texture. The giant barrel sponge has been called the "redwood of the reef" because of its size and estimated lifespan of hundreds to a thousand or more years. It is perhaps the best-studied species of sponge in the sea; a population on Conch Reef, in the Florida Keys, has been monitored and studied since 1997. Description The giant barrel sponge is variable in form. It is very large and firm, typically being barrel-shaped, with a cone-shaped cavity at the apex known as the osculum. However, some individuals within the same population may be low and squat or relatively tall and thin. Similarly, the surface can range from smooth to rough, rugged, and irregular, sometimes with buttresses. In shal ...
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