The giant barrel sponge, though living as a solitary sponge … Oscules on the inner side of vase; 0.2 - 0.3 cm (Ref. Giant Barrel Sponges, like all sponges, are attached to the reef surface and are unable to move. Barrel shaped, with thick walls. Giant barrel sponges, such as Xestospongia muta, are referred to by some as "Redwoods of the Reef." The species is Muta. The giant barrel sponge (Xestospongia muta) is the largest species of sponge found growing on Caribbean coral reefs. Some Giaint Barrel Sponges in the Caribbean may be over 2,300 years old, making them some of the most long-lived animals on Earth. Like most sponges, this species has a glass-like skeleton. Classification of Sponges: The classification of Porifera is based chiefly on types of skeleton found in them. This phylum has been classified variously but the classification suggested by Hyman (1940) and Burton (1967) are of considerable importance. POPULATION ECOLOGY. Xestospongia testudinaria is one of the sponge species that dominates coral reef sponge communities in this region. Dr. M May 8, 2014 Barrel Sponge giant largest record holder It is probably this 2.5 meter (8.2 feet) diameter giant that was a tourist attraction for scuba divers visiting Curaçao in … Brittle and crumbly in consistency. Purple to red brown externally, tan internally. However, the genetic variation of this iconic sponge in the region remains unknown. The class is Demospongiae. 415). To date, however, no study has attempted to determine the usefulness of the I3-M11 partition as a genetic marker to assess the population genetic structure of sponges. The genus is Xestospongia. Surface with protuberances with round or blade-like outlines. It is common at depths greater than 10 meters (33 ft) down to 120 meters (390 ft) and can reach a diameter of 1.8 meters (6 feet). The giant barrel sponge, Xestospongia muta (Demo- 5 -end partition at the species level and, therefore, seemed to be more suitable for taxonomic studies and DNA bar-cod-ing. The role of the so-called ‘giant barrel sponge’ for the reef ecosystem has been studied repeatedly, as have its various bioactive compounds. The domain is Eukarya. The kingdom is Animalia. This group of sponges are known to reach massive sizes and ages of 2000 years or more in warm Caribbean seas (Van Soest, 2012) . The phylum is Porifera. Xestospongia muta, also called giant barrel sponges, are among the largest species of sponges, growing up to six feet in diameter. The order is Haplosclerida. The family is Petrosiidae. Xestospongia muta, commonly known as the giant barrel sponge, a member of the Xestospongia genus, is one of the largest species of sponge found in the Caribbean.It grows at depths from 10 meters down to 120 metres (390 ft), and can reach a diameter of 1.8 metres (6 feet). Fun FAct. The giant barrel sponge is considered to be on the second trophic level, meaning that it is a primary consumer since it consumes photosynthetic cyanobacteria, which are primary producers (McMurray et al., 2008). It is brown-grey to reddish in colour, with a hard or stony texture.
2020 giant barrel sponge classification