{"id":135,"date":"2026-06-16T10:29:30","date_gmt":"2026-06-16T10:29:30","guid":{"rendered":"https:\/\/sites.exeter.ac.uk\/calciumsensor\/?page_id=135"},"modified":"2026-06-16T10:30:19","modified_gmt":"2026-06-16T10:30:19","slug":"calcium-aquatic-organisms","status":"publish","type":"page","link":"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/","title":{"rendered":"Calcium &amp; aquatic organisms"},"content":{"rendered":"\n<div style=\"height:68px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Why is calcium important to aquatic organisms?<\/h2>\n\n\n\n<div style=\"height:63px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"762\" height=\"1024\" src=\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1-762x1024.jpg\" alt=\"\" class=\"wp-image-137\" srcset=\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1-762x1024.jpg 762w, https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1-223x300.jpg 223w, https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1-768x1033.jpg 768w, https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1-1142x1536.jpg 1142w, https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1.jpg 1382w\" sizes=\"(max-width: 762px) 100vw, 762px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p><strong>Fish: <\/strong>Calcium affects how easily water, salts, and harmful microbes pass through skin and gills, and<br>is linked to kidney health.<\/p>\n\n\n\n<p><strong>Crustaceans (e.g. crabs and lobsters): <\/strong>Absorb large amounts of calcium after moulting to harden new shells, for protection against predators and disease.<\/p>\n\n\n\n<p><strong>Bivalves (e.g. mussels and oysters): <\/strong>Continuously take in calcium to build and grow their shells.<\/p>\n\n\n\n<p><strong>Seaweed:\u00a0<\/strong>Because they lack roots, seaweeds absorb calcium from the water for healthy growth.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Why is calcium important to aquatic organisms? Fish: Calcium affects how easily water, salts, and harmful microbes pass through skin and gills, andis linked to kidney health. Crustaceans (e.g. crabs and lobsters): Absorb large amounts of calcium after moulting to harden new shells, for protection against predators and disease. Bivalves (e.g. mussels and oysters): Continuously [&hellip;]<\/p>\n","protected":false},"author":415,"featured_media":0,"parent":0,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"page-sidebar-boxed-feature-img.php","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Calcium &amp; aquatic organisms - Real-time Detection of Dissolved Calcium and other Metals for Healthier Aquatic Systems<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calcium &amp; aquatic organisms - Real-time Detection of Dissolved Calcium and other Metals for Healthier Aquatic Systems\" \/>\n<meta property=\"og:description\" content=\"Why is calcium important to aquatic organisms? Fish: Calcium affects how easily water, salts, and harmful microbes pass through skin and gills, andis linked to kidney health. Crustaceans (e.g. crabs and lobsters): Absorb large amounts of calcium after moulting to harden new shells, for protection against predators and disease. Bivalves (e.g. mussels and oysters): Continuously [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/\" \/>\n<meta property=\"og:site_name\" content=\"Real-time Detection of Dissolved Calcium and other Metals for Healthier Aquatic Systems\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-16T10:30:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1-762x1024.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/\",\"url\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/\",\"name\":\"Calcium &amp; aquatic organisms - Real-time Detection of Dissolved Calcium and other Metals for Healthier Aquatic Systems\",\"isPartOf\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1-762x1024.jpg\",\"datePublished\":\"2026-06-16T10:29:30+00:00\",\"dateModified\":\"2026-06-16T10:30:19+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/#primaryimage\",\"url\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1.jpg\",\"contentUrl\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/wp-content\/uploads\/sites\/787\/2026\/06\/trout-oyster-lobster-1.jpg\",\"width\":1382,\"height\":1858},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calcium &amp; aquatic organisms\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/#website\",\"url\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/\",\"name\":\"Real-time Detection of Dissolved Calcium and other Metals for Healthier Aquatic Systems\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/sites.exeter.ac.uk\/calciumsensor\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Calcium &amp; aquatic organisms - Real-time Detection of Dissolved Calcium and other Metals for Healthier Aquatic Systems","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/sites.exeter.ac.uk\/calciumsensor\/calcium-aquatic-organisms\/","og_locale":"en_US","og_type":"article","og_title":"Calcium &amp; aquatic organisms - Real-time Detection of Dissolved Calcium and other Metals for Healthier Aquatic Systems","og_description":"Why is calcium important to aquatic organisms? 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