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<title>Elefantfisker</title>
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<wx:section level="1" title="Elefantfisker" id="wxsec1"><h1 class="pagetitle" id="wx1">Elefantfisker</h1>

<wx:template id="wx_t1" pagename="Mal:Taksoboks" page_id="35176"/>
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<tr id="wx3">
<th colspan="2" align="center" bgcolor="#66cc33" id="wx4"><font id="wx5"><b id="wx6">Elefantfisker</b></font> </th>
</tr>

<tr id="wx7">
<td colspan="2" align="center" id="wx8"><a href="/wno/Bilde:Peters_elephantnose_fish.png" title="Elefantnesefisk, Gnathonemus petersii" wx:linktype="image" wx:pagename="Bilde:Peters_elephantnose_fish.png" id="wx9"><img src="/wno/Bilde:Peters_elephantnose_fish.png" alt="Elefantnesefisk, Gnathonemus petersii" width="260" id="wx10"/></a><br id="wx11"/>
<small id="wx12"><a href="/wno/Elefantnesefisk" title="Elefantnesefisk" wx:linktype="known" wx:pagename="Elefantnesefisk" wx:page_id="330049" id="wx13">Elefantnesefisk</a>, <i id="wx14">Gnathonemus petersii</i></small> </td>
</tr>

<tr id="wx15">
<td valign="top" bgcolor="#ccff99" nowrap="nowrap" id="wx16"><a href="/wno/Nomenklatur_%28biologi%29" title="Nomenklatur (biologi)" wx:linktype="known" wx:pagename="Nomenklatur_(biologi)" wx:page_id="30882" id="wx17">Vitenskapelig(e)<br id="wx18"/>
navn</a>
<p id="wx19">:</p>
</td>
<td id="wx20"><b id="wx21">Mormyridae</b> </td>
</tr>

<tr id="wx22">
<td valign="top" bgcolor="#ccff99" id="wx23">
<p id="wx24">Norsk(e) navn:</p>
</td>
<td id="wx25">
<p id="wx26">elefantfisker</p>
</td>
</tr>

<tr id="wx27">
<td valign="top" bgcolor="#ccff99" id="wx28"><a href="/wno/Gruppe_%28biologi%29#Overordnede_og_delgrupper" title="Gruppe (biologi)" wx:linktype="known" wx:pagename="Gruppe_(biologi)" wx:page_id="20897" wx:fragment="Overordnede_og_delgrupper" id="wx29">Hører til</a>
<p id="wx30">:</p>
</td>
<td id="wx31"><a href="/wno/Beintungefisker" title="Beintungefisker" wx:linktype="known" wx:pagename="Beintungefisker" wx:page_id="376288" id="wx32">beintungefisker</a>
<p id="wx33">, <a href="/wno/Osteoglossomorpha" title="Osteoglossomorpha" wx:linktype="known" wx:pagename="Osteoglossomorpha" wx:page_id="395993" id="wx34">Osteoglossomorpha</a>,<br id="wx35"/>
<a href="/wno/Egentlige_beinfisker" title="Egentlige beinfisker" wx:linktype="known" wx:pagename="Egentlige_beinfisker" wx:page_id="56082" id="wx36">egentlige beinfisker</a></p>
</td>
</tr>

<wx:templateend start="wx_t1"/>
<wx:template id="wx_t2" pagename="Mal:Taksoboks-gruppe" page_id="35185"/>
<tr id="wx37">
<td valign="top" bgcolor="#ccff99" id="wx38"><a href="/wno/Art#Artstall" title="Art" wx:linktype="known" wx:pagename="Art" wx:page_id="20308" wx:fragment="Artstall" id="wx39">Antall arter</a>
<p id="wx40">:</p>
</td>
<td id="wx41">
<p id="wx42">201</p>
</td>
</tr>

<tr id="wx43">
<td valign="top" bgcolor="#ccff99" id="wx44"><a href="/wno/Habitat" title="Habitat" wx:linktype="known" wx:pagename="Habitat" wx:page_id="47903" id="wx45">Habitat</a>
<p id="wx46">:</p>
</td>
<td id="wx47"><a href="/wno/Ferskvann" title="Ferskvann" wx:linktype="known" wx:pagename="Ferskvann" wx:page_id="42081" id="wx48">ferskvann</a> </td>
</tr>

<tr id="wx49">
<td valign="top" bgcolor="#ccff99" id="wx50">
<p id="wx51">Utbredelse:</p>
</td>
<td id="wx52"><a href="/wno/Afrika" title="Afrika" wx:linktype="known" wx:pagename="Afrika" wx:page_id="16" id="wx53">Afrika</a> </td>
</tr>

<tr id="wx54">
<td valign="top" bgcolor="#ccff99" id="wx55"><a href="/wno/Gruppe_%28biologi%29#Overordnede_og_delgrupper" title="Gruppe (biologi)" wx:linktype="known" wx:pagename="Gruppe_(biologi)" wx:page_id="20897" wx:fragment="Overordnede_og_delgrupper" id="wx56">Delgrupper</a>
<p id="wx57">:</p>
</td>
<td id="wx58"><wx:templateend start="wx_t2"/>
<ul id="wx59">
<li id="wx60"><i id="wx61"><a href="/wno/Boulengeromyrus" class="new" title="Boulengeromyrus" wx:linktype="unknown" wx:pagename="Boulengeromyrus" id="wx62">Boulengeromyrus</a></i></li>

<li id="wx63"><i id="wx64"><a href="/wno/Brienomyrus" class="new" title="Brienomyrus" wx:linktype="unknown" wx:pagename="Brienomyrus" id="wx65">Brienomyrus</a></i></li>

<li id="wx66"><i id="wx67"><a href="/wno/Campylomormyrus" class="new" title="Campylomormyrus" wx:linktype="unknown" wx:pagename="Campylomormyrus" id="wx68">Campylomormyrus</a></i></li>

<li id="wx69"><i id="wx70"><a href="/wno/Genyomyrus" class="new" title="Genyomyrus" wx:linktype="unknown" wx:pagename="Genyomyrus" id="wx71">Genyomyrus</a></i></li>

<li id="wx72"><i id="wx73"><a href="/wno/Gnathonemus" title="Gnathonemus" wx:linktype="known" wx:pagename="Gnathonemus" wx:page_id="494706" id="wx74">Gnathonemus</a></i></li>

<li id="wx75"><i id="wx76"><a href="/wno/Heteromormyrus" class="new" title="Heteromormyrus" wx:linktype="unknown" wx:pagename="Heteromormyrus" id="wx77">Heteromormyrus</a></i></li>

<li id="wx78"><i id="wx79"><a href="/wno/Hippopotamyrus" class="new" title="Hippopotamyrus" wx:linktype="unknown" wx:pagename="Hippopotamyrus" id="wx80">Hippopotamyrus</a></i></li>

<li id="wx81"><i id="wx82"><a href="/wno/Hyperopisius" class="new" title="Hyperopisius" wx:linktype="unknown" wx:pagename="Hyperopisius" id="wx83">Hyperopisius</a></i></li>

<li id="wx84"><i id="wx85"><a href="/wno/Isichthys" class="new" title="Isichthys" wx:linktype="unknown" wx:pagename="Isichthys" id="wx86">Isichthys</a></i></li>

<li id="wx87"><i id="wx88"><a href="/wno/Ivindomyrus" class="new" title="Ivindomyrus" wx:linktype="unknown" wx:pagename="Ivindomyrus" id="wx89">Ivindomyrus</a></i></li>

<li id="wx90"><i id="wx91"><a href="/wno/Marcunesias" class="new" title="Marcunesias" wx:linktype="unknown" wx:pagename="Marcunesias" id="wx92">Marcunesias</a></i></li>

<li id="wx93"><i id="wx94"><a href="/wno/Mormyrops" class="new" title="Mormyrops" wx:linktype="unknown" wx:pagename="Mormyrops" id="wx95">Mormyrops</a></i></li>

<li id="wx96"><i id="wx97"><a href="/wno/Mormyrus" class="new" title="Mormyrus" wx:linktype="unknown" wx:pagename="Mormyrus" id="wx98">Mormyrus</a></i></li>

<li id="wx99"><i id="wx100"><a href="/wno/Oxymormyrus" class="new" title="Oxymormyrus" wx:linktype="unknown" wx:pagename="Oxymormyrus" id="wx101">Oxymormyrus</a></i></li>

<li id="wx102"><i id="wx103"><a href="/wno/Paramormyrops" class="new" title="Paramormyrops" wx:linktype="unknown" wx:pagename="Paramormyrops" id="wx104">Paramormyrops</a></i></li>

<li id="wx105"><i id="wx106"><a href="/wno/Petrocephalus" class="new" title="Petrocephalus" wx:linktype="unknown" wx:pagename="Petrocephalus" id="wx107">Petrocephalus</a></i></li>

<li id="wx108"><i id="wx109"><a href="/wno/Pollimyrus" class="new" title="Pollimyrus" wx:linktype="unknown" wx:pagename="Pollimyrus" id="wx110">Pollimyrus</a></i></li>

<li id="wx111"><i id="wx112"><a href="/wno/Stomatorhinus" class="new" title="Stomatorhinus" wx:linktype="unknown" wx:pagename="Stomatorhinus" id="wx113">Stomatorhinus</a></i></li>
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<p id="wx114"><b id="wx115">Elefantfisker</b> er en <a href="/wno/Gruppe_%28biologi%29" title="Gruppe (biologi)" wx:linktype="known" wx:pagename="Gruppe_(biologi)" wx:page_id="20897" id="wx116">gruppe</a> <a href="/wno/Beintungefisker" title="Beintungefisker" wx:linktype="known" wx:pagename="Beintungefisker" wx:page_id="376288" id="wx117">beintungefisker</a>. <a href="/wno/Art" title="Art" wx:linktype="known" wx:pagename="Art" wx:page_id="20308" id="wx118">Arter</a> i denne gruppen er populære men krevende <a href="/wno/Akvarium" title="Akvarium" wx:linktype="known" wx:pagename="Akvarium" wx:page_id="7546" id="wx119">akvariefisk</a>. Den mest utbredte arten i akvaristikken er <a href="/wno/Elefantnesefisk" title="Elefantnesefisk" wx:linktype="known" wx:pagename="Elefantnesefisk" wx:page_id="330049" id="wx120">elefantnesefisk</a>. De er kjent for sine evner til å lage svake <a href="/wno/Elektrisitet" title="Elektrisitet" wx:linktype="known" wx:pagename="Elektrisitet" wx:page_id="22897" id="wx121">elektriske</a> felter som tillater fiskene å sanse omgivelsene i turbulent vann hvor sikten er dårlig. Hvordan disse feltene genereres er gjenstand for omfattende forskning, det samme er kommunikasjonen mellom og innen <a href="/wno/Art" title="Art" wx:linktype="known" wx:pagename="Art" wx:page_id="20308" id="wx122">arter</a>.</p>

<p id="wx123">De elektriske utladningene skjer oftest i pulser, med <i id="wx124"><a href="/wno/Gymnarchus_niloticus" title="Gymnarchus niloticus" wx:linktype="known" wx:pagename="Gymnarchus_niloticus" wx:page_id="494649" id="wx125">Gymnarchus niloticus</a></i> som et unntak. Denne arten genererer en sinus-aktig bølge på nær 500 <a href="/wno/Hz" title="Hz" wx:linktype="known" wx:pagename="Hz" wx:page_id="53800" id="wx126">Hz</a>. Det elektriske organet er en struktur som er utviklingsmessig i slekt med <a href="/wno/Muskel" title="Muskel" wx:linktype="known" wx:pagename="Muskel" wx:page_id="49407" id="wx127">muskler</a>.</p>

<p id="wx128">Noen arter har spesielle munnpartier for å kunne livnære seg på små <a href="/wno/Virvell%C3%B8se_dyr" title="Virvelløse dyr" wx:linktype="known" wx:pagename="Virvelløse_dyr" wx:page_id="132437" id="wx129">virvelløse dyr</a> som ligger begravet i slamsubstratet, formen på disse har ledet til populærnavnet «elefantfisk». Utvekstene på munnpartiene (vanligvis kjøttfulle forlengelser av underkjeven) er fleksible og utstyrt med taktile (og muligvis smaks-)sensorer.</p>

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<div style="display: table-cell; vertical-align: middle;" id="wx131"><a href="/wno/Bilde:Commons-logo.svg" title="" wx:linktype="image" wx:pagename="Bilde:Commons-logo.svg" id="wx132"><img src="/wno/Bilde:Commons-logo.svg" alt="" width="20" id="wx133"/></a> <a href="/wno/Wikimedia_Commons" title="Wikimedia Commons" wx:linktype="known" wx:pagename="Wikimedia_Commons" wx:page_id="23755" id="wx134">Commons</a>
<p id="wx135">har flere bilder og annet multimedieinnhold om <b id="wx136"><a href="http://commons.wikimedia.org/wiki/Category:Mormyridae" class="extiw" title="commons:Category:Mormyridae" wx:linktype="interwiki" wx:pagename="commons:Category:Mormyridae" id="wx137">Elefantfisker</a></b></p>
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<div id="wx_categorylinks">
<a href="/wno/index.php?title=Spesial:Categories&amp;article=Elefantfisker" title="Spesial:Categories" wx:linktype="known" wx:pagename="Spesial:Categories" id="wx138">Kategorier</a>: <span dir="ltr" id="wx139"><a href="/wno/Kategori:Beintungefisker" title="Kategori:Beintungefisker" wx:linktype="known" wx:pagename="Kategori:Beintungefisker" wx:page_id="494646" id="wx140">Beintungefisker</a></span> | <span dir="ltr" id="wx141"><a href="/wno/Kategori:Akvariefisk" title="Kategori:Akvariefisk" wx:linktype="known" wx:pagename="Kategori:Akvariefisk" wx:page_id="318044" id="wx142">Akvariefisk</a></span></div>
<div id="wx_languagelinks">
Andre språk: <a href="http://de.wikipedia.org/wiki/Elefantenfische" class="external" wx:linktype="interwiki" wx:pagename="de:Elefantenfische" id="wx143">Deutsch</a> | <a href="http://en.wikipedia.org/wiki/Mormyridae" class="external" wx:linktype="interwiki" wx:pagename="en:Mormyridae" id="wx144">English</a> | <a href="http://fr.wikipedia.org/wiki/Mormyridae" class="external" wx:linktype="interwiki" wx:pagename="fr:Mormyridae" id="wx145">Français</a> | <a href="http://lt.wikipedia.org/wiki/Straubliuotin%C4%97s_%28kaulalie%C5%BEuv%C4%97s%29" class="external" wx:linktype="interwiki" wx:pagename="lt:Straubliuotinės_(kaulaliežuvės)" id="wx146">Lietuvių</a> | <a href="http://hu.wikipedia.org/wiki/Cs%C5%91r%C3%B6ssz%C3%A1j%C3%BAhal-f%C3%A9l%C3%A9k" class="external" wx:linktype="interwiki" wx:pagename="hu:Csőrösszájúhal-félék" id="wx147">Magyar</a> | <a href="http://nl.wikipedia.org/wiki/Tapirvissen" class="external" wx:linktype="interwiki" wx:pagename="nl:Tapirvissen" id="wx148">Nederlands</a> | <a href="http://pl.wikipedia.org/wiki/Mrukowate" class="external" wx:linktype="interwiki" wx:pagename="pl:Mrukowate" id="wx149">Polski</a> | <a href="http://ru.wikipedia.org/wiki/%D0%9C%D0%BE%D1%80%D0%BC%D0%B8%D1%80" class="external" wx:linktype="interwiki" wx:pagename="ru:Мормир" id="wx150">Русский</a></div>
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<p id="wx151">Peters elephantnose fish.png</p>
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<a href="/wno/Elefantnesefisk" title="Elefantnesefisk" wx:linktype="known" wx:pagename="Elefantnesefisk" wx:page_id="330049" id="wx152">Elefantnesefisk</a>
<p id="wx153">, <i id="wx154">Gnathonemus petersii</i></p>
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<p id="wx155">elefantfisker</p>
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<p id="wx156">Mormyridae</p>
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<a href="/wno/Beintungefisker" title="Beintungefisker" wx:linktype="known" wx:pagename="Beintungefisker" wx:page_id="376288" id="wx157">beintungefisker</a>
<p id="wx158">, <a href="/wno/Osteoglossomorpha" title="Osteoglossomorpha" wx:linktype="known" wx:pagename="Osteoglossomorpha" wx:page_id="395993" id="wx159">Osteoglossomorpha</a>,<br id="wx160"/>
<a href="/wno/Egentlige_beinfisker" title="Egentlige beinfisker" wx:linktype="known" wx:pagename="Egentlige_beinfisker" wx:page_id="56082" id="wx161">egentlige beinfisker</a></p>
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<wx:templatearguments for="wx_t2"><wx:argument name="artstall">
<p id="wx162">201</p>
</wx:argument><wx:argument name="habitat">
<a href="/wno/Ferskvann" title="Ferskvann" wx:linktype="known" wx:pagename="Ferskvann" wx:page_id="42081" id="wx163">ferskvann</a>
</wx:argument><wx:argument name="utbredelse">
<a href="/wno/Afrika" title="Afrika" wx:linktype="known" wx:pagename="Afrika" wx:page_id="16" id="wx164">Afrika</a>
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<p id="wx165">Category:Mormyridae</p>
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