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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 ...
Chondrocladia lyra, also known as the lyre sponge or harp sponge, is a species of carnivorous deep-sea sponge first discovered off the Californian coast living at depths of 10,800–11,500 feet (3,300–3,500 m) by Welton L. Lee, Henry M Reiswig, William C. Austin, and Lonny Lundsten from the Monterey Bay Aquarium Research Institute (MBARI).
Gray's Reef National Marine Sanctuary is one of the largest near-shore live-bottom reefs in the southeastern United States.The sanctuary, designated in January 1981, is located 19 miles (17 nmi; 31 km) off Sapelo Island, Georgia, and is part of the U.S. National Marine Sanctuary System.
[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 ...
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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About 311 million years ago, in the Late Carboniferous, the order Spongillida split from the marine sponges, and is the only sponges to live in freshwater environments. [8] Some species are brightly colored, with great variety in body shape; the largest species are over 1 m (3.3 ft) across. [ 6 ]