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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 10 metres (33 ft) down to 120 metres (390 ft) and can reach a diameter of 1.8 metres (6 feet).
Xestospongia testudinaria is a species of barrel sponge in the family Petrosiidae. More commonly known as Giant Barrel Sponges, they have the basic structure of a typical sponge. Their body is made of a reticulation of cells aggregate on a siliceous scaffold composed of small spikes called spicules.
Lauriea siagiani is a small squat lobster, up to 7 millimetres (0.28 in) 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.
The largest known species of sea sponge is the giant barrel sponge, Xestospongia muta. These massively built sponges can reach 2.4 m (8 ft) in height and can be about the same thickness at the thickest part of the "body". [330] Some of these creatures have been estimated to be over 2,400 years of age. [331] Calcareous sponges
Elephant's ear sponge; Bath sponge; Bath sponge; Tubular sponge; Fan-shaped sponge; Victorian glass sponges: pencil urchin and slater; Venus' flower basket (mounted on wooden base in dome) Barrel sponge x 2; Sponge (mounted on wooden base)
Giant barrel sponges can live more than 2,000 years. The giant barrel sponge Xestospongia muta is one of the longest-lived animals, with the largest specimens in the Caribbean estimated to be more than 2,300 years old. [68] The black coral Antipatharia in the Gulf of Mexico may live more than 2,000 years. [69]
Image credits: Warner Bros. Pictures #2 Spongebob and Patrick. At the depths of Bikini Bottom, best friends SpongeBob and Patrick embark on crazy misadventures and hilarious skits.
Red volcano sponge (Acarnus erithacus, Poecilosclerida). Spermatocytes develop from the transformation of choanocytes and oocytes arise from archeocytes. Repeated cleavage of the zygote egg takes place in the mesohyl and forms a parenchymella larva with a mass of larger internal cells surrounded by small, externally flagellated cells. The ...