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  2. Sponge diving - Wikipedia

    en.wikipedia.org/wiki/Sponge_diving

    Diving for sponges brought social and economic development to the island: the freediving method was originally used. Kalymnos was the main centre of sponge production in the Aegean , and sponge diving is still a traditional albeit less common occupation of the Greeks on the island, with related exhibitions, along with other local folklore, and ...

  3. Aquaculture of sea sponges - Wikipedia

    en.wikipedia.org/wiki/Aquaculture_of_sea_sponges

    The sponges are inserted into the vagina in much the same way a tampon is, but when full are removed, cleaned, and reused, rather than discarded. The advantages of a reusable tampon alternative include cost-effectiveness and waste reduction. (Since sponges are biodegradable, even when a menstrual sponge's absorbent life is over it can be ...

  4. Spongia officinalis - Wikipedia

    en.wikipedia.org/wiki/Spongia_officinalis

    There was a small increase in sponge fishing at the end of the 19th century due to the invention of a new diving suit, but the suit was not very safe so sponge fishing did not grow much in popularity. Around 1910 to 1930, an underwater breathing device was created and, since then, this method of sponge fishing has continually grown in ...

  5. Spheciospongia vesparium - Wikipedia

    en.wikipedia.org/wiki/Spheciospongia_vesparium

    Spheciospongia vesparium, commonly known as the loggerhead sponge, [2] is a species of sea sponge belonging to the family Clionaidae. While it is highly toxic to many fish, this sponge is eaten by certain angelfish and is known to form part of the diet of the hawksbill sea turtle ( Eretmochelys imbricata ).

  6. Freediving - Wikipedia

    en.wikipedia.org/wiki/Freediving

    Freediving was practiced in ancient cultures to gather food, harvest resources such as sponge and pearl, reclaim sunken valuables, and to help aid military campaigns. In Ancient Greece, both Plato and Homer mention the sponge as being used for bathing. The island of Kalymnos was a main centre of diving for sponges.

  7. Jonathan Bird's Blue World - Wikipedia

    en.wikipedia.org/wiki/Jonathan_Bird's_Blue_World

    Episode 1: Manta Ray Feeding Frenzy and Sea Snakes of Bird Island; Episode 2: Bull Sharks and Inner Space at NASA; Episode 3: Hawaiian Monk Seals, Wounded Warriors, and Counting Fish; Episode 4: Artificial Reefs and Free Diving with Karol Meyer; Episode 5: Saving the Sturgeon and Carol Farming in Key Largo

  8. Filter feeder - Wikipedia

    en.wikipedia.org/wiki/Filter_feeder

    Tube sponges attracting small reef fish. Sponges have no true circulatory system; instead, they create a water current which is used for circulation. Dissolved gases are brought to cells and enter the cells via simple diffusion. Metabolic wastes are also transferred to the water through diffusion. Sponges pump remarkable amounts of water.

  9. Marine life - Wikipedia

    en.wikipedia.org/wiki/Marine_life

    All sponges are sessile aquatic animals. Although there are freshwater species, the great majority are marine (salt water) species, ranging from tidal zones to depths exceeding 8,800 m (5.5 mi). Some sponges live to great ages; there is evidence of the deep-sea glass sponge Monorhaphis chuni living about 11,000 years. [213] [214]