{"id":65874,"date":"2026-07-15T00:11:11","date_gmt":"2026-07-14T22:11:11","guid":{"rendered":"https:\/\/drkherbani.zcmc.live\/?p=65874"},"modified":"2026-07-15T00:11:13","modified_gmt":"2026-07-14T22:11:13","slug":"fiskur-besta-sjalfshjalparhandbokin-um-fiska-og-fiskalif","status":"publish","type":"post","link":"https:\/\/drkherbani.zcmc.live\/index.php\/2026\/07\/15\/fiskur-besta-sjalfshjalparhandbokin-um-fiska-og-fiskalif\/","title":{"rendered":"Fiskur: Besta sj\u00e1lfshj\u00e1lparhandb\u00f3kin um fiska og fiskal\u00edf"},"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;\">Greinar<\/p>\n<ul>\n<li><a href=\"#what-are-the-main-types-of-fish\">Veistu hverjar helstu fisktegundir eru?<\/a><\/li>\n<li><a href=\"#great-white-sharks\">Hvalir me\u00f0 h\u00e6rra lj\u00f3si<\/a><\/li>\n<li><a href=\"#see-how-this-school-of-tiny-fish-uses-bacteria-to-glow-in-the-dark\">Finndu \u00fat hvernig hva\u00f0a sm\u00e1fiskah\u00f3pur notar \u00f6rverur til a\u00f0 sk\u00edna \u00e1 n\u00f3ttunni.<\/a><\/li>\n<li><a href=\"#why-snakes-are-disappearing-from-southeast-asia-s-largest-lake\">Af hverju sn\u00e1kar eru \u00ed raun a\u00f0 hverfa \u00far st\u00e6rstu \u00e1nni \u00ed Su\u00f0austur-K\u00edna<\/a><\/li>\n<li><a href=\"#a-new-tiny-fish-looks-like-mr-snuffleupagus\">Annar minni fiskur endar sem herra Snuffleupagus<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Auk hra\u00f0skrei\u00f0ra urra gefa karlkyns froskfiskar fr\u00e1 s\u00e9r \u201em\u00f3torb\u00e1tsflaut\u201c. Ostrur froskfiskar gefa fr\u00e1 s\u00e9r h\u00e1v\u00e6r urr fr\u00e1 samdr\u00e6tti hlj\u00f3\u00f0kerfisins me\u00f0fram hli\u00f0um sundbl\u00f6\u00f0runnar. \u00c1kve\u00f0nar tegundir sj\u00e1varafur\u00f0a gefa fr\u00e1 s\u00e9r hlj\u00f3\u00f0 vegna skemmtilegs opinbers l\u00edkama sem \u00fe\u00fa getur sami\u00f0 um og \u00fe\u00fa munt valda titringi \u00ed sundbl\u00f6\u00f0runni. <!--more--> N\u00fdja \u201eurri\u00f0\u201c-t\u00f3nlistin samanstendur af nokkrum raddp\u00falsum sem einnig eru gefnir \u00fat me\u00f0 sveiflum \u00ed l\u00edkamanum.<\/p>\n<p>Lifrin veitir gall sem hj\u00e1lpar til vi\u00f0 a\u00f0 brj\u00f3ta ni\u00f0ur \u00feyngd fyrir \u00e1str\u00ed\u00f0ufullan fleyti sem er sokkinn \u00ed \u00fe\u00f6rmum. Lungnafiskar, bichirs, reipifiskar, bogfinnar, sn\u00e1kafiskar og afr\u00edskur hn\u00edffiskur eru \u00fer\u00f3a\u00f0ir til a\u00f0 draga \u00far sl\u00edkri bl\u00f6ndu og fjarl\u00e6gja hreint lofttap \u00e1 t\u00e1lknunum til a\u00f0 hreinsa lofti\u00f0 &#8211; versta v\u00f6kvann. Sj\u00e1varfang skiptast \u00e1 gufum vegna \u00feess a\u00f0 \u00fea\u00f0 dregur a\u00f0 s\u00e9r hreint loftr\u00edkt vatn \u00fe\u00f6kk s\u00e9 v\u00f6rum s\u00ednum og vinnur \u00fea\u00f0 \u00ed gegnum t\u00e1lknin. Mi\u00f0jan f\u00e6rir ferskt bl\u00f3\u00f0r\u00e1s \u00ed einn hring um l\u00edkamann; til mats hefur spend\u00fdrami\u00f0st\u00f6\u00f0in nokkrar lykkjur sem fara \u00ed lungun til a\u00f0 komast \u00fat, og \u00fe\u00fa \u00fearft \u00f6rugglega a\u00f0 l\u00e1ta l\u00edkamann nj\u00f3ta \u00fativerunnar. Sundgeta er mismunandi fr\u00e1 fiskum eins og t\u00fanfiski, laxi og \u00f6\u00f0rum fiskum sem geta vari\u00f0 10\u201320 l\u00edkamslengdir \u00e1 sek\u00fandu til tegunda eins og \u00e1la sem geta synt ekki meira en 0,5 l\u00edkamslengdir \u00e1 sek\u00fandu. Fyrstu sj\u00e1vard\u00fdrin sem h\u00f6f\u00f0u \u00f6ndunarh\u00e6f t\u00e1lkn og para\u00f0a ugga, fersku ostraducermarnir, h\u00f6f\u00f0u \u00feungar beinskegjur sem studdu ytri sto\u00f0grindur sem verjast r\u00e1nd\u00fdrum hryggleysingja.<\/p>\n<p>D\u00e6mi um bj\u00e1lkafisk eru \u00feorskur, t\u00fanfiskur, gedda, piranha, barrak\u00fada, minnow og g\u00f6s. N\u00fdju torped\u00f3fiskarnir <a href=\"https:\/\/vulkanvegaswin.net\/is\/promo-code\/\">https:\/\/vulkanvegaswin.net\/is\/promo-code\/<\/a> fr\u00e1 sj\u00f3hernum eru nefndir eftir torped\u00f3fiski af \u00e6ttkv\u00edslinni. N\u00fdju hle\u00f0slurnar sem \u00fer\u00f3a\u00f0ar eru af tilteknum tegundum eru n\u00f3g til a\u00f0 steypa dreng af f\u00f3tum s\u00e9r, en eru ekki banv\u00e6nar. S\u00e1 sem hefur halann er me\u00f0 sterkan, stingandi bak. Sk\u00f6tur og geislar eru fiskar sem hafa flata l\u00edkama og geta reki\u00f0 sig \u00ed gegnum v\u00f6kvann \u00far v\u00e6ngflakkinu &#8211; eins og brj\u00f3stugga.<\/p>\n<h2 id=\"what-are-the-main-types-of-fish\">Hverjar eru n\u00e1kv\u00e6mlega h\u00f6fu\u00f0ger\u00f0ir fiska?<\/h2>\n<p>H\u00e6fni sj\u00e1varafur\u00f0a til a\u00f0 n\u00e1 \u00feessu markmi\u00f0i er hugsanlega takm\u00f6rku\u00f0 vi\u00f0 einhli\u00f0a hreyfingu \u00feeirra, \u00fear sem s\u00farefnisr\u00edkt bl\u00f3\u00f0r\u00e1s fr\u00e1 \u00f6ndunarf\u00e6rum \u00feeirra blandast venjulega saman vi\u00f0 s\u00farefnissnautt bl\u00f3\u00f0 til hjartans fr\u00e1 \u00f6\u00f0rum l\u00edfverum. \u00c1tta hundru\u00f0 fisktegundir \u00ed 50 heimilum geta einnig anda a\u00f0 s\u00e9r himninum, sem gerir \u00feeim kleift a\u00f0 lifa \u00ed hreinu lofti &#8211; hr\u00e6\u00f0ilegu vatni e\u00f0a jafnvel komast heim. \u00deeir geta s\u00farefnisr\u00edkt t\u00e1lknin me\u00f0 \u00fev\u00ed a\u00f0 leika s\u00e9r me\u00f0 l\u00edkamann beint. Beinfiskar hafa eitt t\u00e1lkn sem byrjar hvoru megin, \u00f3greinanlegt undir verndandi beinhl\u00edf e\u00f0a operculum. N\u00fdjustu t\u00e1lknin \u00fer\u00fdsta fersku, loftsnau\u00f0u vatni fr\u00e1 s\u00e9r vegna opna sta\u00f0a \u00e1 hli\u00f0um koksins. H\u00e1r\u00e6\u00f0abl\u00f3\u00f0 fr\u00e1 t\u00e1lknunum streymir \u00ed hina \u00e1ttina a\u00f0 vatninu, sem lei\u00f0ir til afkastamikils m\u00f3tstraums.<\/p>\n<h2 id=\"great-white-sharks\">H\u00e6rri hv\u00edtir hvalir<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/content.r9cdn.net\/rimg\/himg\/26\/45\/b3\/ice-31413-106955032-582116.jpg?width=1200&#038;height=630&#038;crop=true\" alt=\"no deposit bonus 4u\" align=\"left\" border=\"1\" ><\/p>\n<p>Af m\u00f6rgum lampreyjum eru sn\u00edkjud\u00fdr, sem festast vi\u00f0 l\u00edkama flestra annarra sj\u00e1varafur\u00f0a me\u00f0 v\u00f6runum og \u00fe\u00fa getur sopa bl\u00f3\u00f0r\u00e1sina \u00feeirra. Fiskar finnast \u00ed v\u00f6kvast\u00fdringum um allan heim og eru mikilv\u00e6gur hluti vistkerfa. Hin fullkomna handb\u00f3k um fiska og l\u00edf, \u00e1samt skilgreiningu \u00e1 sj\u00e1varafur\u00f0um, fiskst\u00fdringum, tegundum fiska og l\u00edfsst\u00edl sj\u00e1varafur\u00f0a. Sj\u00e1varafur\u00f0ir eru fj\u00f6lbreyttasti flokkur hryggd\u00fdra, me\u00f0 yfir 33.100.000 mismunandi fisktegundir. \u00de\u00e6r breyta vistkerfum, valda tapi \u00e1 l\u00edffr\u00e6\u00f0ilegum fj\u00f6lbreytileika og ska\u00f0a fiskvei\u00f0ar. Ferskvatnsfiskur vir\u00f0ist til d\u00e6mis vera \u00ed \u00fatr\u00fdmingarh\u00e6ttu \u00fear sem hann lifir n\u00fa \u00ed flj\u00f3tandi v\u00f6kva.<\/p>\n<p>Samkv\u00e6mt skr\u00e1num keyptu einstaklingar sj\u00e1varafur\u00f0ir sem h\u00e1degismatsgjafa fyrir pr\u00f3tein. St\u00edflur vi\u00f0 vatn, s\u00e9rstaklega st\u00e6rstu a\u00f0fer\u00f0irnar eins og Kariba-st\u00edflan (Zambezi-\u00e1in) og Aswan-st\u00edflan (N\u00edlvatn) fyrir skur\u00f0ina me\u00f0 efnahagslega mikilv\u00e6gum fiskvei\u00f0um, hafa leitt til mikillar l\u00e6kkunar \u00e1 kr\u00f3kum fiskvei\u00f0a. Fiskvei\u00f0ifr\u00e6\u00f0ingar og vei\u00f0isamf\u00e9lagi\u00f0 veita mj\u00f6g mismunandi ums\u00f6gn um n\u00fdja seiglu fiskvei\u00f0a til kr\u00f6fuhar\u00f0ra vei\u00f0a. Ofvei\u00f0i lei\u00f0ir a\u00f0 lokum til \u00feess a\u00f0 fiskstofnar mistakast, \u00fear sem \u00feeir sem lifa af framlei\u00f0a ekki n\u00e6gan v\u00f6xt til a\u00f0 endurheimta \u00fe\u00e1 sem glatast. Ofvei\u00f0i er a\u00f0al\u00e1h\u00e6tta fyrir lj\u00faffenga fiski eins og \u00feorsk og t\u00fanfisk. Matv\u00e6la- og fiskeldisfyrirt\u00e6ki\u00f0 segir a\u00f0 \u201e\u00e1ri\u00f0 2017 hafi 34% af fiskistofnum heimsins veri\u00f0 flokka\u00f0ir sem ofveiddir\u201c.<\/p>\n<h2 id=\"why-snakes-are-disappearing-from-southeast-asia-s-largest-lake\">\u00c1st\u00e6\u00f0urnar fyrir \u00fev\u00ed a\u00f0 sn\u00e1kar eru a\u00f0 hverfa \u00far st\u00e6rstu \u00e1nni \u00ed Su\u00f0austur-K\u00edna<\/h2>\n<p>Sj\u00e1varfang me\u00f0 annars flokks munnfleti eru botnf\u00e6\u00f0arar og gefa \u00fe\u00f6rungum, sem annars eru grunnl\u00edfsd\u00fdr sj\u00e1vard\u00fdra eins og krabbad\u00fdr og jafnvel skelfiski, a\u00f0 bor\u00f0a. Sj\u00e1varfang me\u00f0 endavarir eru yfirleitt kj\u00f6t\u00e6tur sem geta \u00e9ti\u00f0 flesta a\u00f0ra sj\u00e1vard\u00fdrategund, annars al\u00e6tur, sem geta \u00e9ti\u00f0 af l\u00edkamanum annars sta\u00f0ar en \u00e1 botninum. N\u00fdjustu afturf\u00e6tur landd\u00fdra (og f\u00f3tanna) \u00fer\u00f3u\u00f0ust \u00far grindaruggum. N\u00fdju framf\u00e6tur landd\u00fdra (og fingranna) voru \u00far brj\u00f3stuggum. H\u00e9r a\u00f0 ne\u00f0an eru nokkrar a\u00f0rar ger\u00f0ir af fiskuggum, og \u00fe\u00fa g\u00e6tir \u00e1tt r\u00e6tur a\u00f0 rekja til fiska. Fiskauggar eiga r\u00e6tur a\u00f0 rekja til hv\u00edtu tanna; n\u00fdju uggarnir fr\u00e1 hv\u00f6lum innihalda l\u00f6g af glerungi og tannbeini, sem eru b\u00e6\u00f0i byggingar sem eru hluti af hv\u00edtum t\u00f6nnum.<\/p>\n<h2 id=\"a-new-tiny-fish-looks-like-mr-snuffleupagus\">Annar l\u00edtill sj\u00e1varr\u00e9ttur endar sem herra Snuffleupagus<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/slots.express\/wp-content\/uploads\/2020\/11\/Lord-Lucky-Beitrag-800x538.png?p=16844\" alt=\"yabby no deposit bonus codes 2020\" border=\"0\" align=\"right\" style=\"padding: 10px;\"><\/p>\n<p>Efnahagslega g\u00e6ti hann veri\u00f0 mikilv\u00e6gur fyrir atvinnu- og af\u00fereyingarvei\u00f0ar, sem tryggir og tryggir millj\u00f3num manna um allan heim l\u00edfsvi\u00f0urv\u00e6ri. Fiskar gegna mikilv\u00e6gu hlutverki \u00ed vistkerfunum sem r\u00e1nd\u00fdr, br\u00e1\u00f0 og me\u00f0limir steinefnafor\u00f0a. A\u00f0rir sj\u00e1varafur\u00f0ir sem eru hita\u00f0ar e\u00f0a a\u00f0 hluta hita\u00f0ar eru me\u00f0al annars n\u00f6flur, t\u00fanfiskur, hv\u00edth\u00e1far og \u00fer\u00e6skih\u00e1far. Allt a\u00f0 40% sj\u00e1varafur\u00f0a lifa \u00ed ferskvatni, en 60% \u00feeirra lifa \u00ed vatni.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Greinar Veistu hverjar helstu fisktegundir eru? Hvalir me\u00f0 h\u00e6rra lj\u00f3si Finndu \u00fat hvernig hva\u00f0a sm\u00e1fiskah\u00f3pur notar \u00f6rverur til a\u00f0 sk\u00edna \u00e1 n\u00f3ttunni. Af hverju sn\u00e1kar eru \u00ed raun a\u00f0 hverfa \u00far st\u00e6rstu \u00e1nni \u00ed Su\u00f0austur-K\u00edna Annar minni fiskur endar sem herra Snuffleupagus Auk hra\u00f0skrei\u00f0ra urra gefa karlkyns froskfiskar fr\u00e1 s\u00e9r \u201em\u00f3torb\u00e1tsflaut\u201c. Ostrur froskfiskar gefa fr\u00e1&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/posts\/65874"}],"collection":[{"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/comments?post=65874"}],"version-history":[{"count":1,"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/posts\/65874\/revisions"}],"predecessor-version":[{"id":65875,"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/posts\/65874\/revisions\/65875"}],"wp:attachment":[{"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/media?parent=65874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/categories?post=65874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drkherbani.zcmc.live\/index.php\/wp-json\/wp\/v2\/tags?post=65874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}