Ikan gergaji: Perbedaan antara revisi
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{{Bedakan|Hiu gergaji}}{{Automatic taxobox|<!-- cleanup -->=yes|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:
(1) P. dubius was only described 6 years later by Bleeker in 1852 (see e.g. Wueringer2009 ref + Van Oljen, Faria & McDavitt, 2007. The curious holotype of Pristis dubius Bleeker, 1852 and the unravelling of Bleeker's sawfish taxonomy. Raffles Bulletin of Zoology 14).
(2) P. dubius is not recognized as a valid species by recent authorities (see refs listed in #1). -->|image=Pristis pristis - Georgia Aquarium Jan 2006.jpg|image2=Sawfish Pristis zijsron Genova Aquarium.jpg|image2_caption=[[Hiu gergaji umum]], ''Pristis pristis'' (atas),<br/> [[Ikan gergaji hijau]], ''Pristis zijsron'' (bawah)|taxon=Pristidae|authority=[[Charles Lucien Bonaparte|Bonaparte]], 1838|subdivision_ranks=Genus|subdivision=*''[[Anoxypristis]]'' <small>[[Errol White|White]] & [[J. A. Moy-Thomas|Moy-Thomas]], 1941</small>
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*''[[Pristis]]'' <small>[[Johann Heinrich Linck|Linck]], 1790</small>}}
'''Ikan gergaji''' atau '''hiu''' '''berui''' atau '''hiu tukang kayu''' (famili '''Pristidae''') adalah sebuah [[famili]] [[pari]] yang dicirikan dengan [[rostrum]] dengan gigi yang melintang, yang tersusun mirip seperti [[gergaji]]. Mereka adalah salah satu spesies [[Daftar ikan terbesar|ikan terbesar]], dengan beberapa spesies mencapai panjang sekitar {{convert|7-7,6|m|ft|abbr=on}}.<ref name="LastWhite2016">{{cite book|author1=Last|author2=White|author3=de Carvalho|author4=Séret|author5=Stehmann|author6=Naylor|year=2016|title=Rays of the World|url=https://archive.org/details/raysofworld0000unse|publisher=[[CSIRO]]|isbn=978-0-643-10914-8|pages=[https://archive.org/details/raysofworld0000unse/page/57 57]–66|author1-link=Peter R. Last}}</ref> Mereka dapat ditemukan di seluruh dunia pada wilayah-wilayah tropis dan [[subtropis]] pada perairan samudra, [[estuari]] [[payau]], dan danau serta sungai air tawar. Semua spesies dari famili ini terancam punah.<ref name="Dulvy2014">{{cite journal|author1=Dulvy|author2=Davidson|author3=Kyne|author4=Simpfendorfer|author5=Harrison|author6=Carlson|author7=Fordham|year=2014|title=Ghosts of the coast: Global extinction risk and conservation of sawfishes|url=https://researchonline.jcu.edu.au/37738/6/37738%20Dulvy%20et%20al%202016.pdf|journal=Aquatic Conservation: Marine and Freshwater Ecosystems|volume=26|issue=1|pages=134–153|doi=10.1002/aqc.2525|doi-access=free}}</ref>
Mereka sering dikelirukan dengan [[hiu gergaji]] (ordo Pristiophoriformes) atau [[sclerorhynchoidei]] yang sudah punah (dari ordo [[Rajiformes]]) yang memiliki perawakan yang mirip.<ref name="Wueringer2009">{{cite journal|author1=Wueringer, B.E.|author2=L. Squire Jr.|author3=S.P. Collin|year=2009|title=The biology of extinct and extant sawfish (Batoidea: Sclerorhynchidae and Pristidae)|journal=Review in Fish Biology and Fisheries|volume=19|issue=4|pages=445–464|doi=10.1007/s11160-009-9112-7|s2cid=3352391}}</ref><ref name="Harrison2014">{{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>
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Ikan ini juga sudah diketahui dan diburu selama ribuan tahun,<ref name="Moore2015">{{cite journal|author=Moore, A.L.B.|year=2015|title=A review of sawfishes (Pristidae) in the Arabian region: diversity, distribution, and functional extinction of large and historically abundant marine vertebrates|journal=Aquatic Conservation|volume=25|issue=5|pages=656–677|doi=10.1002/aqc.2441}}</ref> dan terlibat pada peran-peran spiritual dan mitologis pada berbagai budaya di seluruh dunia.<ref name="FloridaFWCCCultural">{{cite web|title=Cultural Importance of Sawfish|url=http://myfwc.com/research/saltwater/fish/sawfish/cultural-importance/|publisher=Florida Fish and Wildlife Conservation Commission|archive-url=https://web.archive.org/web/20171201034146/http://myfwc.com/research/saltwater/fish/sawfish/cultural-importance/|archive-date=1 December 2017|access-date=17 November 2017}}</ref>
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="
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[[Kategori:Pristidae]]
[[Kategori:Pristiformes]]
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