');mask-image:url('data:image/svg+xml;utf8, ');content:'';margin:0 .4rem;display:inline-block;vertical-align:middle;line-height:1}.breadcrumb-trail .trail-items li:last-child:after{display:none}.bloghash-breadcrumbs{font-size:1.4rem;border-width:0}#bloghash-copyright .bloghash-flex-row>div:empty{display:none}#bloghash-copyright>.bloghash-container>.bloghash-flex-row>div{width:auto;padding-top:.6rem;padding-bottom:.6rem}.bloghash-copyright-layout-1 #bloghash-copyright>.bloghash-container>.bloghash-flex-row>div{-ms-flex-preferred-size:100%;flex-basis:100%;-ms-flex-negative:0;flex-shrink:0;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}#bloghash-scroll-top{-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;position:fixed;bottom:2.5rem;right:2rem;z-index:997;width:4rem;height:4rem;opacity:0;-webkit-transform:translate3d(0,3rem,0);transform:translate3d(0,3rem,0)}#bloghash-scroll-top .bloghash-scroll-icon{overflow:hidden;z-index:2}#bloghash-scroll-top .bloghash-icon{-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;height:2rem;color:var(--bloghash-white);-webkit-transform:translateY(1.1rem);-ms-transform:translateY(1.1rem);transform:translateY(1.1rem)}#bloghash-scroll-top:before{content:'';z-index:1;border-radius:10rem;background-color:var(--bloghash-primary);-webkit-transform:scale(1);-ms-transform:scale(1);transform:scale(1);border:.1rem solid rgba(185,185,185,.4)}#bloghash-scroll-top svg{fill:var(--bloghash-white)}.bloghash-entry>:first-child{margin-top:0}.bloghash-entry p{margin-bottom:1.5rem;margin-top:1.5rem}.author-avatar img{border-radius:var(--bloghash-full-radius);width:3rem;vertical-align:middle;margin-right:.8rem;display:inline-block;outline:1px solid rgba(185,185,185,.4)}#main .content-area .entry-meta a{color:inherit}.entry-meta{font-size:1.3rem;font-weight:600;margin-top:1.2rem}.entry-meta .bloghash-icon{height:1.827rem;margin-right:.7rem;vertical-align:text-bottom}.entry-meta .entry-meta-elements>span{padding:0 1rem;line-height:1.2}.entry-meta .entry-meta-elements>span.posted-on{line-height:1.5}.entry-meta .entry-meta-elements>span,.entry-meta .entry-meta-elements>span .posted-by{-js-display:inline-flex;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.entry-meta .entry-meta-elements>span:first-child{padding-left:0}.entry-meta .entry-meta-elements>span:last-child{margin-right:0;padding-right:0}.entry-meta .entry-meta-elements>span:before{content:'';position:relative;left:-1.1rem;width:4px;height:4px;border-radius:100%;background-color:var(--bloghash-primary)}.entry-meta .entry-meta-elements>span:first-child:before{display:none}.entry-media{margin-bottom:2.5rem}.entry-media img{margin:0 auto;display:block}.single-post .entry-content{margin-top:4rem}.single-post .entry-media{margin-bottom:4rem}.single .post-category{margin-bottom:.3rem;font-size:1.4rem}.single .post-category a{-js-display:inline-flex;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;margin:0 .4rem .8rem}.single .entry-header{text-align:start;margin-bottom:1rem}.single .entry-meta{text-align:start;margin-top:1.6rem}.single .entry-content{margin-bottom:5rem}.single .post-nav img{border-radius:var(--bloghash-normal-radius)}.single .post-nav .nav-previous .nav-content img{margin-right:2rem}.single .post-nav .nav-next .nav-content img{margin-left:2rem}.single.bloghash-page-title-align-left .bloghash-article>.entry-header,.single.bloghash-page-title-align-left .bloghash-article>.post-category{text-align:start}.single.bloghash-page-title-align-left .bloghash-article>.entry-meta>.entry-meta-elements{-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start}.author-box .author-box-avatar{min-width:0;min-height:0}.author-box .author-box-avatar{-ms-flex-item-align:start;align-self:flex-start;-ms-flex-negative:0;flex-shrink:0;-webkit-box-flex:0;-ms-flex-positive:0;flex-grow:0;margin-right:2.5rem}.author-box .author-box-avatar img{display:block;border-radius:50%}#cancel-comment-reply-link{font-size:1.3rem;border-radius:var(--bloghash-normal-radius);border:.2rem solid currentColor;font-weight:500;padding:.4rem .7rem;line-height:1;text-decoration:none;text-transform:capitalize;margin-left:1.4rem;color:inherit}.comment-form>p{-ms-flex-preferred-size:100%;flex-basis:100%;margin-top:0;margin-bottom:.8em}.comment-form textarea{height:19.2rem}button.bloghash-animate-arrow{-webkit-appearance:none;border:none;-webkit-box-shadow:none;box-shadow:none;background:0 0;outline:none}.bloghash-animate-arrow .arrow-bar{-webkit-transform:scaleX(0);-ms-transform:scaleX(0);transform:scaleX(0)}.bloghash-animate-arrow svg{vertical-align:middle}.bloghash-animate-arrow.right-arrow svg{-webkit-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg)}.bloghash-animate-arrow.right-arrow .arrow-bar{-webkit-transform-origin:100% 0;-ms-transform-origin:100% 0;transform-origin:100% 0}.bloghash-animate-arrow.right-arrow .arrow-handle{-webkit-transform:translateX(.6rem);-ms-transform:translateX(.6rem);transform:translateX(.6rem)}.bloghash-hamburger{padding:0;display:inline-block;font:inherit;color:inherit;text-transform:none;background-color:transparent;border:0;margin:0;overflow:visible}.hamburger-box{width:2.5rem;height:1.4rem;display:inline-block;position:relative}.hamburger-inner{display:block;top:50%;margin-top:-.1rem}.hamburger-inner,.hamburger-inner:before,.hamburger-inner:after{width:2.8rem;height:2px;background-color:#111827;border-radius:var(--bloghash-normal-radius);position:absolute}.hamburger-inner:before,.hamburger-inner:after{content:"";display:block}.hamburger-inner:before{top:-5px}.hamburger-inner:after{bottom:-5px}.bloghash-is-mobile #bloghash-header-inner .bloghash-nav>ul>li>a{color:inherit!important}.bloghash-mobile-nav{order:1;display:none;margin-left:2.4rem}.bloghash-hamburger,.bloghash-mobile-nav{-webkit-box-align:center;-ms-flex-align:center;align-items:center}body:not(.is-mobile-menu-active) .bloghash-hamburger .hamburger-box .hamburger-inner:before{width:1.5rem}.bloghash-hamburger{-js-display:inline-flex;display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;border-radius:var(--bloghash-normal-radius)}.bloghash-hamburger .hamburger-inner,.bloghash-hamburger .hamburger-inner:before,.bloghash-hamburger .hamburger-inner:after{background-color:currentColor}#bloghash-header:after{content:'';position:fixed;top:100%;left:0;right:0;height:100vh;background-color:rgba(255,255,255,.85);z-index:991;opacity:0;visibility:hidden;will-change:opacity,visibility;-webkit-transform:translate3d(0,0,0);transform:translate3d(0,0,0)}@media only screen and (min-width:782px){.site .bloghash-flex-row .col-md{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1;-ms-flex-negative:1;flex-shrink:1;max-width:100%;-ms-flex-preferred-size:0;flex-basis:0}.site .bloghash-flex-row .col-md.flex-basis-auto{-ms-flex-preferred-size:auto;flex-basis:auto}.site .bloghash-flex-row .end-md{-webkit-box-pack:end;-ms-flex-pack:end;justify-content:flex-end;text-align:end;margin-left:auto}}@media only screen and (max-width:868px){.bloghash-hide-mobile-tablet{display:none!important}.bloghash-container{padding:0 3rem}.bloghash-header-widgets .bloghash-header-widget,.bloghash-header-widgets .bloghash-header-widget.bloghash-header-widget__button{padding-left:1rem;padding-right:1rem}.bloghash-header-widgets .bloghash-header-widget:not(.bloghash-header-widget__button,.bloghash-header-widget__socials) .bloghash-icon{font-size:2.4rem}.bloghash-mobile-nav{margin-left:1.6rem}}@media only screen and (max-width:599px){#bloghash-header-inner .bloghash-widget-wrapper,.bloghash-header-element,.bloghash-header-widgets .bloghash-header-widget{position:static}.bloghash-header-widgets .dropdown-item:after{display:none}.author-avatar img{display:none}.author-box .author-box-avatar{display:none}}@media only screen and (max-width:480px){#page{min-height:-webkit-fill-available}}@media only screen and (max-width:960px){#main>.bloghash-container{display:block}#primary{max-width:100%!important;padding-left:0!important;padding-right:0!important;margin-top:4rem}.single .post-nav img{display:none}}@media all and (-ms-high-contrast:none),(-ms-high-contrast:active){.bloghash-btn{height:1rem}#main>.bloghash-container #primary{-ms-flex-preferred-size:0%;flex-basis:0%}}.bloghash-btn{background-color:var(--bloghash-primary)}.content-area a:not(.bloghash-btn,.wp-block-button__link,.page-numbers,[class^=cat-],[rel=tag]),.bloghash-social-nav>ul>li>a .bloghash-icon.bottom-icon{color:var(--bloghash-primary)}#masthead .bloghash-header-widgets .dropdown-item:after,.bloghash-nav>ul .sub-menu:after{border-bottom-color:var(--bloghash-primary);outline:none!important}.bloghash-header-widgets .dropdown-item,.bloghash-nav .sub-menu{border-top-color:var(--bloghash-primary)}::-webkit-selection{background-color:var(--bloghash-primary);color:var(--bloghash-white)}::-webkit-scrollbar-thumb{background:rgba(0,0,0,.2)}::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.4)}.mr-1{margin-right:.4rem}a.bloghash-btn i{font-size:105%;vertical-align:baseline}a.bloghash-btn i:before{display:inline-block;vertical-align:middle}a.bloghash-btn span{vertical-align:baseline;line-height:normal}@media (prefers-reduced-motion:reduce){*{animation-duration:0s!important}}.bloghash-cursor{visibility:hidden;position:fixed;z-index:10000;display:flex;justify-content:center;align-items:center;top:0;left:0}.bloghash-cursor .bloghash-cursor-wrapper{display:flex;justify-content:center;align-items:center}.bloghash-cursor .bloghash-cursor--follower{position:absolute;background-color:var(--bloghash-primary);opacity:.35;border-radius:100%;width:2.4rem;height:2.4rem}.bloghash-cursor .bloghash-cursor--label{position:absolute;display:flex;justify-content:center;align-items:center;color:var(--bloghash-white);letter-spacing:.08em;transform:scale(0);will-change:transform,opacity}.bloghash-cursor .bloghash-cursor--icon{position:absolute;display:flex;justify-content:center;align-items:center;color:var(--bloghash-white);transform:scale(0);will-change:transform,opacity;color:rgba(255,255,255,.76)}.bloghash-cursor .bloghash-cursor--icon:before{content:"\f061";font-family:var(--bloghash-font-awesome);font-size:2.4rem}.bloghash-glassmorphism{position:fixed;right:0;left:0;bottom:0;display:flex;overflow:hidden;z-index:-1}.bloghash-glassmorphism .block{width:28.8rem;height:28.8rem;filter:blur(64px);mix-blend-mode:multiply;border-radius:999px;display:block;opacity:.1}.bloghash-glassmorphism .block.one{margin-top:5rem;background-color:rgba(239,35,60)}.bloghash-glassmorphism .block.two{margin-top:16rem;margin-left:-8rem;background-color:rgba(4,134,139)}@media only screen and (min-width:768px){.bloghash-glassmorphism{top:4rem}}@media only screen and (min-width:1024px){.bloghash-glassmorphism .block{width:38.4rem;height:38.4rem}}@media only screen and (min-width:1280px){.bloghash-glassmorphism{top:8rem}}.post-category .cat-links a.cat-31{--bloghash-primary:#1e73ff;--bloghash-primary_80:#d2e3ff}:root{--bloghash-primary:#1075bc;--bloghash-primary_80:#d0e4f2;--bloghash-primary_15:#348ac7;--bloghash-primary_27:rgba(16,117,188,.27);--bloghash-primary_10:rgba(16,117,188,.1)}#bloghash-header-inner{background:#fff}.bloghash-logo .site-description{color:#66717f}#bloghash-header,.bloghash-header-widgets a:not(.bloghash-btn),.bloghash-logo a,.bloghash-hamburger{color:#131315}.bloghash-header-widget:after{background-color:#ccc}@media screen and (max-width:960px){#bloghash-header-inner .bloghash-nav{display:none;color:#000}.bloghash-mobile-toggen,.bloghash-mobile-nav{display:inline-flex}#bloghash-header-inner{position:relative}#bloghash-header-inner .bloghash-nav>ul>li>a{color:inherit}#bloghash-header-inner .bloghash-nav-container{position:static;border:none}#bloghash-header-inner .site-navigation{display:none;position:absolute;top:100%;width:100%;height:100%;min-height:100vh;left:0;right:0;margin:-1px 0 0;background:#fff;border-top:1px solid #eaeaea;box-shadow:0 15px 25px -10px rgba(50,52,54,.125);z-index:999;font-size:1.7rem;padding:0}#bloghash-header-inner .site-navigation>ul{overflow-y:auto;max-height:68vh;display:block}#bloghash-header-inner .site-navigation>ul>li>a{padding:0!important}#bloghash-header-inner .site-navigation>ul li{display:block;width:100%;padding:0;margin:0;margin-left:0!important}#bloghash-header-inner .site-navigation>ul .sub-menu{position:static;display:none;border:none;box-shadow:none;border:0;opacity:1;visibility:visible;font-size:1.7rem;transform:none;background:#f8f8f8;min-width:initial;left:0;padding:0;margin:0;border-radius:0;line-height:inherit}#bloghash-header-inner .site-navigation>ul .sub-menu>li>a>span{padding-left:50px!important}#bloghash-header-inner .site-navigation>ul .sub-menu .sub-menu>li>a>span{padding-left:70px!important}#bloghash-header-inner .site-navigation>ul .sub-menu a>span{padding:10px 30px 10px 50px}#bloghash-header-inner .site-navigation>ul a{padding:0;position:relative;background:0 0}#bloghash-header-inner .site-navigation>ul li{border-bottom:1px solid #eaeaea}#bloghash-header-inner .site-navigation>ul>li:last-child{border-bottom:0}#bloghash-header-inner .site-navigation>ul a>span{padding:10px 30px!important;width:100%;display:block}#bloghash-header-inner .site-navigation>ul a>span:after,#bloghash-header-inner .site-navigation>ul a>span:before{display:none!important}#bloghash-header-inner .site-navigation>ul .menu-item-has-children>a{display:inline-flex;width:100%;max-width:calc(100% - 50px)}#bloghash-header-inner .bloghash-nav .menu-item-has-children>a>span{border-right:1px solid rgba(185,185,185,.4)}#bloghash-header-inner .bloghash-nav .menu-item-has-children>a>.bloghash-icon{transform:none;width:50px;margin:0;position:absolute;right:0;height:1em;display:none}.bloghash-mobile-toggen{width:50px;height:1em;background:0 0;border:none}.bloghash-mobile-toggen .bloghash-icon{transform:none;width:50px;margin:0;position:absolute;right:0;height:1em}.bloghash-header-layout-3 .bloghash-logo-container>.bloghash-container{flex-wrap:wrap}.bloghash-header-layout-3 .bloghash-logo-container .bloghash-logo>.logo-inner{align-items:flex-start}.bloghash-header-layout-3 .bloghash-logo-container .bloghash-logo{order:0;align-items:flex-start;flex-basis:auto;margin-left:0}.bloghash-header-layout-3 .bloghash-logo-container .bloghash-header-element{flex-basis:auto}.bloghash-header-layout-3 .bloghash-logo-container .bloghash-mobile-nav{order:5}}.bloghash-header-layout-3 .bloghash-nav-container{background:#f1f6ff}.bloghash-header-layout-3 .bloghash-nav-container{border-color:rgba(185,185,185,.4);border-style:solid}.bloghash-nav.bloghash-header-element{font-weight:600;font-family:"Inter Tight",Helvetica,Arial,sans-serif;font-size:1.7rem;line-height:1.5}body:not(.bloghash-no-sidebar) #primary{max-width:70%}body{color:#002050}h1,a,.entry-meta,.bloghash-logo .site-title{color:#041139}:root{--bloghash-secondary:#041139}.bloghash-container{max-width:1480px}.bloghash-logo img{max-height:640px}@media only screen and (max-width:768px){.bloghash-logo .logo-inner{margin-top:25px;margin-right:1px;margin-bottom:25px}}.bloghash-breadcrumbs{padding-top:15px;padding-bottom:15px}.bloghash-breadcrumbs{background:#f1f6ff}.bloghash-breadcrumbs{border-color:rgba(185,185,185,.4);border-style:solid;border-top-width:2px;border-bottom-width:1px}html{font-size:62.5%}@media only screen and (max-width:768px){html{font-size:53%}}@media only screen and (max-width:480px){html{font-size:50%}}*{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased}body{font-weight:400;font-family:Poppins,Helvetica,Arial,sans-serif;font-size:1.7rem;line-height:1.75}h1,.bloghash-logo .site-title{font-weight:700;font-style:normal;text-transform:none;text-decoration:none;font-family:"Be Vietnam Pro",Helvetica,Arial,sans-serif}h1,.bloghash-logo .site-title{font-weight:700;font-size:4rem;line-height:1.4}#bloghash-header .bloghash-logo .site-title{font-size:3rem}.single-post .entry-content{font-size:1.6rem}.bloghash-btn{color:#fff;border-color:;border-width:.1rem;border-top-left-radius:0;border-top-right-radius:0;border-bottom-right-radius:0;border-bottom-left-radius:0}.bloghash-btn{font-weight:500;font-family:"Be Vietnam Pro",Helvetica,Arial,sans-serif;font-size:1.8rem}
Munida – Munida quadrispina - Il giornale del mare
Skip to content Munida quadrispina , noto comunemente come Munida o squat lobster , è un crostaceo decapode appartenente alla famiglia Munididae. Questa specie è prevalentemente diffusa lungo la costa del Pacifico del Nord America, dall’Alaska fino alla California, abitualmente trovata in acque fredde e profonde.
Caratteristiche Morfologiche Munida quadrispina è caratterizzata da un corpo allungato e appiattito, che può raggiungere una lunghezza di circa 10-15 cm. Il colore del corpo è generalmente rosso-arancione, con il carapace che presenta spine prominenti, da cui deriva il nome “quadrispina”. Le chele sono lunghe e sottili, molto estese rispetto al corpo, e sono utilizzate per l’alimentazione e la difesa. La parte posteriore del corpo è segmentata e coperta da un esoscheletro duro.
Habitat e Distribuzione Questa specie vive principalmente su fondali fangosi e sabbiosi, a profondità che vanno dai 50 ai 1500 metri. Munida quadrispina è spesso trovata in aree con forte corrente, dove può sfruttare i detriti trasportati dall’acqua come fonte di cibo. È particolarmente abbondante nei fiordi e nelle zone costiere profonde lungo la costa del Pacifico del Nord America.
Alimentazione Munida quadrispina è onnivora e si nutre di una varietà di organismi bentonici. La sua dieta include piccoli invertebrati, come policheti, crostacei, molluschi, e detriti organici. Utilizza le sue lunghe chele per catturare il cibo dal substrato o direttamente dall’acqua, agendo sia come predatore che come spazzino.
Riproduzione La riproduzione di Munida quadrispina avviene generalmente durante i mesi più caldi. Dopo l’accoppiamento, la femmina porta le uova fecondate sotto l’addome fino alla schiusa. Le larve passano attraverso vari stadi planctonici prima di metamorfosare in giovani squat lobsters, che poi si stabiliscono sul fondale.
Importanza Ecologica Munida quadrispina svolge un ruolo ecologico significativo negli ecosistemi marini profondi. Come predatore e spazzino, aiuta a controllare le popolazioni di piccoli invertebrati bentonici e contribuisce al ciclo dei nutrienti consumando detriti organici. Inoltre, Munida quadrispina è una fonte di cibo per numerosi pesci e mammiferi marini, fungendo da anello cruciale nella catena alimentare.
Minacce e Conservazione Le principali minacce per Munida quadrispina includono la pesca eccessiva, la distruzione degli habitat e i cambiamenti climatici. Sebbene non sia una specie altamente sfruttata commercialmente, è importante monitorare le popolazioni e proteggere i loro habitat naturali. La gestione sostenibile delle risorse marine e la protezione degli habitat bentonici profondi sono essenziali per garantire la sopravvivenza di questa specie.
Osservazioni Munida quadrispina è spesso studiata per comprendere meglio gli ecosistemi marini profondi e le dinamiche delle popolazioni di crostacei. Il suo comportamento, la biologia riproduttiva e le interazioni ecologiche offrono importanti informazioni per la conservazione e la gestione degli ambienti marini profondi.
In conclusione, Munida quadrispina è una specie chiave negli ecosistemi marini profondi del Pacifico del Nord America. La sua protezione e la gestione sostenibile degli habitat sono cruciali per mantenere l’equilibrio ecologico e la biodiversità degli ecosistemi marini profondi.
Scroll to Top