#molluscs — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #molluscs, aggregated by home.social.
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They have a bizarre and somewhat brutal biological quirk. Because their anatomy is so large, they occasionally get "stuck" during mating. When this happens, one slug will actually chew off the other's phallus to separate. This is called apophallation. The "victim" then lives the rest of its life as a female (they are #hermaphrodites).
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They have a bizarre and somewhat brutal biological quirk. Because their anatomy is so large, they occasionally get "stuck" during mating. When this happens, one slug will actually chew off the other's phallus to separate. This is called apophallation. The "victim" then lives the rest of its life as a female (they are #hermaphrodites).
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They have a bizarre and somewhat brutal biological quirk. Because their anatomy is so large, they occasionally get "stuck" during mating. When this happens, one slug will actually chew off the other's phallus to separate. This is called apophallation. The "victim" then lives the rest of its life as a female (they are #hermaphrodites).
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They have a bizarre and somewhat brutal biological quirk. Because their anatomy is so large, they occasionally get "stuck" during mating. When this happens, one slug will actually chew off the other's phallus to separate. This is called apophallation. The "victim" then lives the rest of its life as a female (they are #hermaphrodites).
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They have a bizarre and somewhat brutal biological quirk. Because their anatomy is so large, they occasionally get "stuck" during mating. When this happens, one slug will actually chew off the other's phallus to separate. This is called apophallation. The "victim" then lives the rest of its life as a female (they are #hermaphrodites).
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Saint Piran's Hermit Crab (Clibanarius erythropus) in a Horn Shell (Cerithium vulgatum)
#HermitCrab #CCBYSA #MarineLife #Sealife #ArtWithOpenSource #Darktable #Shell #Shells #Gastropod #Gastropoda #Mollusc #Molluscs #Mollusca #HermitCrabs #Crab #Crabs #Decapoda #Crustacea #Crustacean #Crustaceans #Animals #Animal #AnimalPhotography #Nature #NaturePhotography #Photography
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Saint Piran's Hermit Crab (Clibanarius erythropus) in a Horn Shell (Cerithium vulgatum)
#HermitCrab #CCBYSA #MarineLife #Sealife #ArtWithOpenSource #Darktable #Shell #Shells #Gastropod #Gastropoda #Mollusc #Molluscs #Mollusca #HermitCrabs #Crab #Crabs #Decapoda #Crustacea #Crustacean #Crustaceans #Animals #Animal #AnimalPhotography #Nature #NaturePhotography #Photography
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Saint Piran's Hermit Crab (Clibanarius erythropus) in a Horn Shell (Cerithium vulgatum)
#HermitCrab #CCBYSA #MarineLife #Sealife #ArtWithOpenSource #Darktable #Shell #Shells #Gastropod #Gastropoda #Mollusc #Molluscs #Mollusca #HermitCrabs #Crab #Crabs #Decapoda #Crustacea #Crustacean #Crustaceans #Animals #Animal #AnimalPhotography #Nature #NaturePhotography #Photography
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Saint Piran's Hermit Crab (Clibanarius erythropus) in a Horn Shell (Cerithium vulgatum)
#HermitCrab #CCBYSA #MarineLife #Sealife #ArtWithOpenSource #Darktable #Shell #Shells #Gastropod #Gastropoda #Mollusc #Molluscs #Mollusca #HermitCrabs #Crab #Crabs #Decapoda #Crustacea #Crustacean #Crustaceans #Animals #Animal #AnimalPhotography #Nature #NaturePhotography #Photography
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European Thorny Oyster (Spondylus gaederopus)
#Oyster #Shell #CCBYSA #MarineLife #Sealife #ArtWithOpenSource #Darktable #Shells #Bivalvia #Bivalves #Bivalve #Mollusc #Molluscs #Mollusca #Animals #Animal #AnimalPhotography #Nature #NaturePhotography #Photo #Photography
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Ancient #Maya masons had a smart way to make #plaster stronger
Up close, the Mayas' timeless recipe from #Copán looks similar to mother-of-pearl.
By Rahul Rao, Apr 19, 2023
[Recent discoveries] "seemed to confirm past archaeological and written records suggesting that ancient Maya masons mixed #PlantMatter into their plaster. The other standard ingredients (lime and water) wouldn’t account for complex carbon chains.
"To follow this lead, the authors decided to make the historic plaster themselves. They consulted living #masons and Maya descendants near #Copán. The locals referred them to the #chukum and #jiote #trees that grow in the surrounding #forests—specifically, the sap that came from the trees’ bark.
"The authors tested the sap’s reaction when mixed into the plaster. Not only did it toughen the material, it also made the plaster insoluble in water, which partly explains how Copán survived the local climate so well.
"The microscopic structure of the plant-enhanced plaster is similar to nacre or mother-of-pearl: the iridescent substance that some molluscs create to coat their shells. We don’t fully understand how #molluscs make nacre, but we know that it consists of crystal plates sandwiching elastic proteins. The combination toughens the sea creatures’ exteriors and reinforces them against weathering from waves.
"A close study of the #AncientPlaster samples and the modern analog revealed that they also had layers of rocky calcite plates and organic sappy material, giving the materials the same kind of #resilience as nacre. 'They were able to reproduce what living organisms do,' says Rodríguez Navarro."
Source: https://www.popsci.com/science/ancient-maya-plaster/
#IndigenousKnowledge #IndigenousNews #Honduras #SolarPunkSunday #TraditionalTechnology #Resilience #BuildingMaterials
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Ancient #Maya masons had a smart way to make #plaster stronger
Up close, the Mayas' timeless recipe from #Copán looks similar to mother-of-pearl.
By Rahul Rao, Apr 19, 2023
[Recent discoveries] "seemed to confirm past archaeological and written records suggesting that ancient Maya masons mixed #PlantMatter into their plaster. The other standard ingredients (lime and water) wouldn’t account for complex carbon chains.
"To follow this lead, the authors decided to make the historic plaster themselves. They consulted living #masons and Maya descendants near #Copán. The locals referred them to the #chukum and #jiote #trees that grow in the surrounding #forests—specifically, the sap that came from the trees’ bark.
"The authors tested the sap’s reaction when mixed into the plaster. Not only did it toughen the material, it also made the plaster insoluble in water, which partly explains how Copán survived the local climate so well.
"The microscopic structure of the plant-enhanced plaster is similar to nacre or mother-of-pearl: the iridescent substance that some molluscs create to coat their shells. We don’t fully understand how #molluscs make nacre, but we know that it consists of crystal plates sandwiching elastic proteins. The combination toughens the sea creatures’ exteriors and reinforces them against weathering from waves.
"A close study of the #AncientPlaster samples and the modern analog revealed that they also had layers of rocky calcite plates and organic sappy material, giving the materials the same kind of #resilience as nacre. 'They were able to reproduce what living organisms do,' says Rodríguez Navarro."
Source: https://www.popsci.com/science/ancient-maya-plaster/
#IndigenousKnowledge #IndigenousNews #Honduras #SolarPunkSunday #TraditionalTechnology #Resilience #BuildingMaterials
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A few things I saw while exploring today.
#beaches #beachcomber #mushrooms #mushtodon #LichenSubscribe #phycology #science #iNat #iNaturalist #NaturalistsOfMastodon #algae #molluscs #fungi #forest #OpenSpaces #nature
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A few things I saw while exploring today.
#beaches #beachcomber #mushrooms #mushtodon #LichenSubscribe #phycology #science #iNat #iNaturalist #NaturalistsOfMastodon #algae #molluscs #fungi #forest #OpenSpaces #nature
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A few things I saw while exploring today.
#beaches #beachcomber #mushrooms #mushtodon #LichenSubscribe #phycology #science #iNat #iNaturalist #NaturalistsOfMastodon #algae #molluscs #fungi #forest #OpenSpaces #nature
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A few things I saw while exploring today.
#beaches #beachcomber #mushrooms #mushtodon #LichenSubscribe #phycology #science #iNat #iNaturalist #NaturalistsOfMastodon #algae #molluscs #fungi #forest #OpenSpaces #nature
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A few things I saw while exploring today.
#beaches #beachcomber #mushrooms #phycology #science #iNat #iNaturalist #NaturalistsOfMastodon #algae #molluscs #fungi #forest #OpenSpaces #nature