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More than 8000 species of sea sponges live in oceanic and freshwater habitats. [1] Sponge fishing historically has been an important and lucrative industry, with yearly catches from years 1913 to 1938 regularly exceeding 181 tonnes and generating over 1 million U.S. dollars. However, this demand for sea sponges has seen catch rates peak and in ...
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Glass sponges such as Claviscopulia are found worldwide in both hard and soft substrates and in the deeper part of the sea ranging from around 200m to more than 6000m. In some cases, glass sponges live in shallower areas like the submarine caves in Mediterranean or off the coast of British Columbia.
When the Greek sponge divers started using surface supplied standard diving suits (locally called scaphandro) in 1865 the death and injury rate from decompression sickness was extremely high as the procedures for safe decompression were as yet unknown. Some estimates put the death toll at around 10,000 Mediterranean divers in the first 50 years ...
Callyspongia plicifera, the azure vase sponge, is a species of sea sponge belonging to the family Callyspongiidae. It is native to the Bahamas where it is found at a depth of 31.5-44.2 m. It was first described in 1814 by Jean-Baptiste Lamarck .
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Using their ostia and osculum these sponges filter the water for various small aquatic organisms such as protozoans, bacteria, and other free-floating pond life. [4] Sponges of the genus Spongilla partake in symbiotic relationships with green algae, zoochlorellae. The symbiotic zoochlorellae give the sponges a green appearance and without them ...
[34] [35] Most carnivorous sponges live in deep waters, up to 8,840 m (5.49 mi), [36] and the development of deep-ocean exploration techniques is expected to lead to the discovery of several more. [18] [34] However, one species has been found in Mediterranean caves at depths of 17–23 m (56–75 ft), alongside the more usual filter-feeding ...