{"id":87835,"date":"2026-07-14T10:49:06","date_gmt":"2026-07-14T08:49:06","guid":{"rendered":"http:\/\/midrone.net\/?p=87835"},"modified":"2026-07-14T10:49:07","modified_gmt":"2026-07-14T08:49:07","slug":"fiskur-besta-er-verde-casino-areidanlegt-sjalfshjalparhandbokin-um-fiska-og-fiskalifid","status":"publish","type":"post","link":"http:\/\/midrone.net\/index.php\/2026\/07\/14\/fiskur-besta-er-verde-casino-areidanlegt-sjalfshjalparhandbokin-um-fiska-og-fiskalifid\/","title":{"rendered":"Fiskur: Besta Er verde casino \u00e1rei\u00f0anlegt? sj\u00e1lfshj\u00e1lparhandb\u00f3kin um fiska og fiskal\u00edfi\u00f0"},"content":{"rendered":"<div class=\"toc\" style=\"background: #f9f9f9;border: 1px solid #aaa;display: table;margin-bottom: 1em;padding: 1em;width: 350px;\">\n<p style=\"font-weight: 700;text-align: center;\">Efni<\/p>\n<ul>\n<li><a href=\"#what-are-the-main-types-of-fish\">Hverjar eru helstu tegundir sj\u00e1varafur\u00f0a?<\/a><\/li>\n<li><a href=\"#great-white-sharks\">H\u00e1ir hv\u00edtir h\u00e1karlar<\/a><\/li>\n<li><a href=\"#see-how-this-school-of-tiny-fish-uses-bacteria-to-glow-in-the-dark\">Fylgstu me\u00f0 svo a\u00f0 fiskaflokkurinn noti \u00f6rverur svo \u00fe\u00fa getir glitra\u00f0 \u00ed myrkrinu.<\/a><\/li>\n<li><a href=\"#why-snakes-are-disappearing-from-southeast-asia-s-largest-lake\">Af hverju sn\u00e1kar hverfa \u00far st\u00e6rstu \u00e1nni \u00ed Su\u00f0austur-K\u00edna<\/a><\/li>\n<li><a href=\"#a-new-tiny-fish-looks-like-mr-snuffleupagus\">N\u00fdr l\u00edtill fiskur vinnur me\u00f0 herra Snuffleupagus<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Auk stuttra \u00f6skur gefa karlfiskar fr\u00e1 s\u00e9r \u201eb\u00e1taflaut\u201c. Ostrufiskar gefa fr\u00e1 s\u00e9r h\u00e1tt \u00f6skur vegna samdr\u00e1ttar \u00ed hlj\u00f3\u00f0kerfinu vi\u00f0 hli\u00f0 sundbl\u00f6\u00f0runnar. \u00c1kve\u00f0nar fiskategundir gefa fr\u00e1 s\u00e9r hlj\u00f3\u00f0 me\u00f0 skemmtilegum formlegum l\u00edkamshlj\u00f3\u00f0um sem geta valdi\u00f0 titringi \u00ed sundbl\u00f6\u00f0runni. N\u00fdjustu \u201e\u00f6skurnar\u201c b\u00e6ta vi\u00f0 nokkrum hlj\u00f3\u00f0p\u00falsum og eru sendar fr\u00e1 s\u00e9r \u00e1samt l\u00edkamstitringi.<\/p>\n<p>Lifrin framlei\u00f0ir gall sem hj\u00e1lpar til vi\u00f0 a\u00f0 brj\u00f3ta ni\u00f0ur fitu \u00ed virka fleyti sem sest \u00ed \u00fe\u00f6rmunum. <!--more--> Lungnafiskar, bichirs, reipifiskar, bogfinnafiskar, sn\u00e1kafiskar og afr\u00edskir hn\u00edffiskar eru breyttir til a\u00f0 draga \u00far s\u00f6fnun og einnig til a\u00f0 fjarl\u00e6gja lofttap fr\u00e1 t\u00e1lknunum til a\u00f0 f\u00e1 ferskt loft &#8211; hr\u00e6\u00f0ilegt vatn. Fiskar breyta lofttegundum me\u00f0 \u00fev\u00ed a\u00f0 draga a\u00f0 s\u00e9r ferskt loft \u00ed gegnum munninn og d\u00e6la \u00feeim yfir t\u00e1lknin s\u00edn. Hjarta\u00f0 d\u00e6lir n\u00fdjasta bl\u00f3\u00f0r\u00e1sinni \u00ed eina lykkju um l\u00edkamann; til samanbur\u00f0ar b\u00fd\u00f0ur hjarta spend\u00fdrsins upp \u00e1 tv\u00e6r lykkjur, eina til lungnanna til a\u00f0 f\u00e1 ferskt loft og eina til kerfisins til a\u00f0 koma me\u00f0 ferskt loft. K\u00f6funargeta er mismunandi fr\u00e1 sj\u00e1varfangi eins og t\u00fanfiski, laxi og fiskum sem geta synt 10\u201320 l\u00edkamslengdir \u00e1 sek\u00fandu, svo sem \u00e1lar sem geta synt um 0,5 l\u00edkamslengdir \u00e1 sek\u00fandu. Elstu fiskarnir me\u00f0 s\u00e9rst\u00f6k \u00f6ndunarg\u00f6t og samsvarandi ugga, n\u00fdjustu ostraducermarnir, h\u00f6f\u00f0u \u00feungar beinpl\u00f6tur sem studdu varnar ytri sto\u00f0grindur sem st\u00f3\u00f0u frammi fyrir r\u00e1nd\u00fdrum hryggleysingja.<\/p>\n<p>S\u00fdnishorn af sj\u00e1varfangi me\u00f0 bj\u00e1lkaugga voru \u00feorskur, fiskur, t\u00fanfiskur, gedda, piranha, barrak\u00fada, minnow og g\u00f6s. N\u00fdju sj\u00f3hersvopnin, torped\u00f3ar, eru kalla\u00f0ir geislun fr\u00e1 \u00e6ttkv\u00edslinni Torpedo. Fersk geislun sem sumar tegundir framlei\u00f0a er n\u00e6g til a\u00f0 sl\u00e1 g\u00f3\u00f0an mann \u00far f\u00e6ti, en er ekki h\u00e6ttuleg. S\u00e1rsaukageislun er \u00ed raun nokkrir geislar sem hafa sterka stingandi bak. Geislar og skautar eru fiskar me\u00f0 flatar geislar sem geta hreyft sig \u00ed gegnum v\u00f6kvann me\u00f0 \u00fev\u00ed a\u00f0 blakta v\u00e6ngjunum &#8211; eins og brj\u00f3stuggar.<\/p>\n<h2 id=\"what-are-the-main-types-of-fish\">Hverjar eru n\u00e1kv\u00e6mlega grunnger\u00f0ir fiska?: Er verde casino \u00e1rei\u00f0anlegt?<\/h2>\n<p><img src=\"https:\/\/www.luckyadmiral.com\/images\/local\/misc\/500freespins1070x320.jpg\" alt=\"Er verde casino \u00e1rei\u00f0anlegt?\" border=\"1\" align=\"left\" ><\/p>\n<p>List fiska til a\u00f0 n\u00e1 \u00feessu er l\u00edklega <a href=\"https:\/\/verde-casino-spielen.com\/is\/\">Er verde casino \u00e1rei\u00f0anlegt?<\/a> einfaldlega vegna einhli\u00f0a fl\u00e6\u00f0is \u00feeirra, \u00fear sem s\u00farefnisr\u00edkt bl\u00f3\u00f0r\u00e1s me\u00f0 himin\u00f6ndunarl\u00edff\u00e6ri \u00feeirra hefur tilhneigingu til a\u00f0 sameina s\u00farefnissnautt bl\u00f3\u00f0 aftur inn \u00ed hjarta\u00f0 \u00ed kringum \u00f6nnur l\u00f6nd \u00ed heiminum. \u00c1tta hundru\u00f0 tegundir sj\u00e1varafur\u00f0a \u00ed \u00feessum 50 fj\u00f6lskyldum geta anda\u00f0 himni, sem gerir \u00feeim kleift a\u00f0 lifa \u00ed fersku lofti &#8211; sl\u00e6mu vatni e\u00f0a jafnvel a\u00f0 l\u00edta heim. \u00deeir geta s\u00farefnisr\u00edkt t\u00e1lknin s\u00edn me\u00f0 \u00fev\u00ed a\u00f0 leika s\u00e9r me\u00f0 l\u00edkama s\u00ednum \u00e1 h\u00f6f\u00f0inu. Beinfiskar hafa a\u00f0eins eitt t\u00e1lkn sem byrjar \u00e1 hvorri hli\u00f0, \u00f3s\u00fdnilegt undir verndandi beinv\u00f6rn e\u00f0a operculum. T\u00e1lknin \u00fdta hinu \u00fativerulega vatni til hli\u00f0ar vegna bila \u00e1 br\u00fanum koksins. H\u00e1r\u00e6\u00f0abl\u00f3\u00f0 \u00ed t\u00e1lknunum rennur \u00ed gagnst\u00e6\u00f0a \u00e1tt a\u00f0 vatninu, sem veldur \u00f6flugri m\u00f3tstraumsbreytingu.<\/p>\n<h2 id=\"great-white-sharks\">Miklir lj\u00f3shvalir<\/h2>\n<p>Af fj\u00f6lm\u00f6rgum lampreyjum eru sn\u00edkjud\u00fdr, sem bindast stj\u00f3rninni fr\u00e1 \u00f6\u00f0rum sj\u00e1vard\u00fdrum me\u00f0 munninum og drekka bl\u00f3\u00f0 hennar. Sj\u00e1varfang finnst \u00ed stj\u00f3rn fr\u00e1 vatni um allan heim og er \u00fev\u00ed mikilv\u00e6gur \u00fe\u00e1ttur \u00ed vistkerfum \u00feess. Fr\u00e1b\u00e6r sj\u00e1lfshj\u00e1lparhandb\u00f3k um fiska og sj\u00e1varl\u00edf, \u00e1samt hugmyndum um fisk, stj\u00f3rnt\u00e6ki, fisktegundir og l\u00edfsstig fisks. Fiskar eru mj\u00f6g fj\u00f6lbreyttur h\u00f3pur, \u00fear \u00e1 me\u00f0al hryggd\u00fdr, me\u00f0 yfir 33.100.000 mismunandi tegundir af fisktegundum. \u00deeir breyta vistkerfum, sem lei\u00f0ir til taps \u00e1 l\u00edffr\u00e6\u00f0ilegum fj\u00f6lbreytileika og geta ska\u00f0a\u00f0 fiskvei\u00f0ar. Ferskvatnsfiskur er \u00ed svo mikilli h\u00e6ttu a\u00f0 hann lifir \u00ed litlum vatnsstj\u00f3rnt\u00e6kjum.<\/p>\n<p>Fr\u00e1 upphafi hafa menn nota\u00f0 sj\u00e1varfang fr\u00e1 upphafi til a\u00f0 afla s\u00e9r pr\u00f3teina. St\u00edflur vi\u00f0 vatn, s\u00e9rstaklega st\u00e6rstu verkefnin eins og Kariba-st\u00edflan (Zambezi-vatni\u00f0) og Aswan-st\u00edflan (N\u00edlflj\u00f3t) vi\u00f0 skur\u00f0i me\u00f0 mikilv\u00e6gum fiskvei\u00f0um, ollu mestri f\u00e6kkun sj\u00e1varafur\u00f0a. Fiskvei\u00f0ifr\u00e6\u00f0ingar og fiskvei\u00f0iheimurinn hafa mj\u00f6g mismunandi umsagnir um n\u00fdja seiglu fiskvei\u00f0a vi\u00f0 mikla vei\u00f0i. Ofvei\u00f0i veldur a\u00f0 lokum fiskmisbresti, \u00fear sem \u00feeir sem lifa af mynda ekki n\u00e6gilega marga fiska til a\u00f0 endurheimta \u00fe\u00e1 sem eru drepnir. Ofvei\u00f0i er helsta h\u00e6ttan fyrir \u00e6tan sj\u00e1varfang eins og \u00feorsk og t\u00fanfisk. Landb\u00fana\u00f0arstofnun Bandar\u00edkjanna segir a\u00f0 \u201e\u00e1ri\u00f0 2017 hafi 34% af fiskvei\u00f0um heimsins veri\u00f0 flokku\u00f0 sem ofveidd\u201c.<\/p>\n<h2 id=\"why-snakes-are-disappearing-from-southeast-asia-s-largest-lake\">Af hverju sn\u00e1kar hverfa \u00far helstu \u00e1m Su\u00f0austur-As\u00edu<\/h2>\n<p>Fiskar me\u00f0 ne\u00f0ri munnhol eru oft grunnf\u00e6\u00f0ismenn, sem \u00e9ta \u00fe\u00f6runga e\u00f0a grunnf\u00e6\u00f0i vatnad\u00fdra eins og krabbad\u00fdra og skelfiska. Sj\u00e1varfang me\u00f0 endamunn eru kj\u00f6t\u00e6tur sem geta drepi\u00f0 flesta a\u00f0ra fiska, e\u00f0a al\u00e6ta, sem bor\u00f0a \u00e1 ro\u00f0i e\u00f0a botni. Afturf\u00e6tur landd\u00fdra (og f\u00f3tanna okkar) myndu\u00f0u grindarugga. N\u00fdju framf\u00e6tur landd\u00fdra (auk handleggjanna okkar) f\u00e6r\u00f0ust fr\u00e1 brj\u00f3stuggum. H\u00e9r er yfirlit yfir mismunandi ger\u00f0ir sj\u00e1varugga, og \u00fe\u00fa munt sj\u00e1 a\u00f0 \u00feeir eru alfari\u00f0 \u00e1 l\u00edkama fisksins. Fiskahreistur geta \u00e1tt uppt\u00f6k s\u00edn \u00ed hv\u00edtum t\u00f6nnum; n\u00fdjustu hreistur h\u00e1karla innihalda l\u00f6g af t\u00f6nnum og tannbeini, sem eru b\u00e6\u00f0i byggingarefni \u00ed t\u00f6nnum.<\/p>\n<h2 id=\"a-new-tiny-fish-looks-like-mr-snuffleupagus\">\u00d6nnur l\u00edtil sj\u00e1varfangsvara endar sem herra Snuffleupagus<\/h2>\n<p><img src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/1\/17\/Aerial_view_Casino_Stratosphere_LAS_09_2017_4912.jpg\/640px-Aerial_view_Casino_Stratosphere_LAS_09_2017_4912.jpg\" alt=\"Er verde casino \u00e1rei\u00f0anlegt?\" style=\"padding: 20px;\" align=\"left\" border=\"1\"><\/p>\n<p>Fj\u00e1rhagslega g\u00e6ti hann veri\u00f0 nau\u00f0synlegur fyrir i\u00f0na\u00f0ar- og af\u00fereyingarvei\u00f0ar, sem f\u00e6rir \u00fe\u00fasundum manna um allan heim mat og l\u00edfsvi\u00f0urv\u00e6ri. Fiskar gegna mikilv\u00e6gu hlutverki \u00ed vistkerfum sem r\u00e1nd\u00fdr, br\u00e1\u00f0 og me\u00f0limir \u00ed steinefnavinnslu. A\u00f0rir fiskar sem eru hita\u00f0ir e\u00f0a a\u00f0 hluta hita\u00f0ir eru n\u00f6flur, t\u00fanfiskur, hv\u00edth\u00e1furinn og \u00fer\u00e6skih\u00e1far. Um 40% sj\u00e1varafur\u00f0a lifa \u00ed ferskvatni, en hinar 60% b\u00faa \u00ed sj\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Efni Hverjar eru helstu tegundir sj\u00e1varafur\u00f0a? H\u00e1ir hv\u00edtir h\u00e1karlar Fylgstu me\u00f0 svo a\u00f0 fiskaflokkurinn noti \u00f6rverur svo \u00fe\u00fa getir glitra\u00f0 \u00ed myrkrinu. Af hverju sn\u00e1kar hverfa \u00far st\u00e6rstu \u00e1nni \u00ed Su\u00f0austur-K\u00edna N\u00fdr l\u00edtill fiskur vinnur me\u00f0 herra Snuffleupagus Auk stuttra \u00f6skur gefa karlfiskar fr\u00e1 s\u00e9r \u201eb\u00e1taflaut\u201c. Ostrufiskar gefa fr\u00e1 s\u00e9r h\u00e1tt \u00f6skur vegna samdr\u00e1ttar \u00ed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/posts\/87835"}],"collection":[{"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/comments?post=87835"}],"version-history":[{"count":1,"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/posts\/87835\/revisions"}],"predecessor-version":[{"id":87836,"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/posts\/87835\/revisions\/87836"}],"wp:attachment":[{"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/media?parent=87835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/categories?post=87835"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/midrone.net\/index.php\/wp-json\/wp\/v2\/tags?post=87835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}