Ikan gergaji: Perbedaan antara revisi

{{Bedakan|Hiu gergaji}}{{Automatic Taxoboxtaxobox|wikidata<!-- cleanup -->=noyes|name=Ikan gergaji|fossil_range={{fossil range|99.7|0|[[Kapur Akhir]] - Masa kini|ref=<ref name=Wueringer2009/>}}<!-- Fossilworks list the family as far back as the Jurassic, but this is based solely on an 1846 report of Pristis dubius from Germany. This is puzzling and highly doubtful for two reasons:

Awalnya umum, ikan ini telah mengalami penurunan populasi drastis pada dekade-dekade belakangan, dengan tempat-tempat mereka masih ditemukan adalah di [[Australia Utara]] dan [[Florida]], Amerika Serikat.<ref name="Harrison2014" /><ref name="Platt2013">{{cite magazine|author=Platt, J.R.|title=Last Chance for Sawfish?|url=http://blogs.scientificamerican.com/extinction-countdown/2013/07/02/last-chance-for-sawfish/|date=2 July 2013|magazine=Scientific American|access-date=17 November 2017}}</ref> Lima spesies pada kelompok ini dinilai sebagai [[terancam punah]] atau [[terancam kritis]] oleh [[IUCN]].<ref name="IUCNFamilyIUCNFamily2">{{Cite web|title=Pristidae|url=http://www.iucnredlist.org/search/link/5137f030-4d738b54|work=[[IUCN Red List]]|publisher=[[International Union for Conservation of Nature]]|access-date=17 November 2017}}</ref> Mereka diburu untuk siripnya (untuk [[sup sirip hiu]]), untuk bagian tubuhnya sebagai obat tradisional. gigi mereka dan gergaji mereka. Mereka juga mengalami [[perusakan habitat]].<ref name="Harrison2014" /> Mereka telah didaftari oleh [[CITES]] sejak 2007, membatasi perdagangan internasional individu atau bagian tubuh mereka.<ref name="Black2007">{{cite news|last=Black|first=Richard|date=June 11, 2007|title=Sawfish protection acquires teeth|url=http://news.bbc.co.uk/2/hi/science/nature/6740609.stm|work=[[BBC News]]}}</ref><ref name="CITESappendix">{{cite web|date=4 October 2017|title=Appendices I, II and III|url=https://www.cites.org/eng/app/appendices.php|publisher=CITES|access-date=17 November 2017}}</ref> Mereka dilindungi di Australia, Amerika Serikat, dan beberapa negara lainnya. Hal tersebut berarti bahwa semua ikan gergaji yang tertangkap secara tidak sengaja harus dilepaskan, dan pelanggar akan dikenakan denda yang berat.<ref name="Slezak2016">{{cite news|author=Slezak, M.|date=3 August 2016|title=Queensland fisherman caught selling bills of endangered sawfish|url=https://www.theguardian.com/environment/2016/aug/04/queensland-fisherman-caught-selling-bills-of-endangered-sawfish|newspaper=The Guardian|access-date=17 November 2017}}</ref><ref name="UofFloridaWhyReport">{{cite web|date=2017-05-16|title=Why Report Sawfish Encounters?|url=https://www.floridamuseum.ufl.edu/fish/sawfish/why-report|publisher=University of Florida|access-date=17 November 2017}}</ref>

!Nama umum<ref name="IUCNFamily2">{{Cite web|title=Pristidae|url=http://www.iucnredlist.org/search/link/5137f030-4d738b54|work=[[IUCN Red List]]|publisher=[[International Union for Conservation of Nature]]|access-date=17 November 2017}}</ref><ref name="DepEnvPristis">{{cite web|author=Department of the Environment|date=2017|title=Pristis pristis — Freshwater Sawfish, Largetooth Sawfish, River Sawfish, Leichhardt's Sawfish, Northern Sawfish|url=http://www.environment.gov.au/cgi-bin/sprat/public/publicspecies.pl?taxon_id=66182|publisher=[[Department of the Environment and Energy]]|access-date=17 November 2017}}</ref> (paling sering digunakan ada di urutan pertama)<ref name="Harrison20142">{{cite book|year=2014|url=http://www.cms.int/sites/default/files/document/CMS_Sharks_MOS2_Inf_10.pdf|title=Sawfish: A Global Strategy for Conservation|publisher=IUCN Species Survival Commission's Shark Specialist Group|isbn=978-0-9561063-3-9|editor1=Harrison, L.R.|editor2=N.K. Dulvy}}</ref>