Outline - Primitive Bony Fish PP SLIDE 1: x-ray of bony fish; www.tolweb.org/Tetraodontiformes/52153 PP SLIDE 2: Phylogeny (copy this down) of fishes: (Chondrichthyes (Actinopterygii (Sarcopterygii, Tetrapoda))). Osteichthyes includes all groups except Chondrichthyes. PP SLIDE 3: Ray-finned fish (Actinopterygii) vs. Lobe-finned fish (Sarcopterygii): http://www-biol.paisley.ac.uk/courses/Tatner/biomedia/subunits/subcl.htm http://www-biol.paisley.ac.uk/courses/Tatner/biomedia/subunits/subcl103.htm PP SLIDE 4: Phylogeny of fishes: http://www.whozoo.org/fish/fishtaxa.jpg. This tree places formal names on the nodes that lead to terminal taxa. PP SLIDE 5: Mola mola: http://www.mola.org/mola/molamola.gif PP SLIDE 6: Darter. http://fw.ky.gov/gifs/darter.jpg PP SLIDE 7: Fossil fish: http://farm1.static.flickr.com/4/5579334_cfa8c6ec3c.jpg PP SLIDE 8: Aquatic ectothermic vertebrates with gills and fin-shaped limbs; Fish = one or more individuals of the same species; Fishes = multiple species; Fishes are mostly marine (> 50% of all species); many in fresh water; 1% in both environments; Highest diversity in tropics; Indo-West Pacific highest diversity of marine fishes; South America, Asia, Africa highest diversity of freshwater fishes PP SLIDE 9: Spotted cusk eel adult: http://www.stanford.edu/~bhackett/monterey-200505-07/images/spotted-cusk-eel.jpg; Larval lCusk eel: http://www.mcz.harvard.edu/Departments/Fish/165928_Lamprogrammus_scherbachevi.j pg PP SLIDE 10: Desert Pupfish: http://www.desertfishes.org/na/cyprinod/cyprinod/cmmacula/cmmacul3.jpg http://www.nativefish.org/img/articles/Cyprinodon-nevadensis-1.jpg PP SLIDE 11: Smallest ray-finned fish: Trimmatom nanus - Indian Ocean Goby http://filaman.ifm-geomar.de/images/thumbnails/jpg/tn_Trnan_f0.jpg http://news.bbc.co.uk/nol/shared/spl/hi/pop_ups/06/sci_nat_enl_1138180578/img/1.jpg http://www.dkimages.com/discover/previews/939/654074.JPG PP SLIDE 12: Large ray-finned fish: Blue Marlin: http://www.madeiragamefish.com/graphics/jumping.jpg Sturgeon: http://www.fishingmagic.com/news/images/Canada_Record_Sturgeon_lg.jpg PP SLIDE 13: Fish II: Most diverse and diversified vertebrates; Extensive adaptive radiation into several niches Species vary in locomotion: immobile, walking, flying; Variable reproduction: hatch, breed & die; mouth-brooding, terrestrial oviposition with parental care (splashing); Variable diet: fish, inverts, carcasses, mammals, scales, eyes, plankton; wood, seeds, fruit, flowers, leaves; Free-living to parasitic (only vertebrates that are endoparasites) PP SLIDE 14: Fish Phylogeny (recreation of slide 4) COPY THIS DOWN IN CLASS: (bichirs((sturgeons, paddlefish) (gars (bowfin, teleosts)))) PP SLIDE 15: Cladistia - Polypteridae; http://tolweb.org/Cladistia/68708 PP SLIDE 16: Ropefish: http://images.google.com/imgres?imgurl=http://primitivefish.com/BowfinPrimFish1a.jpg &imgrefurl=http://primitivefish.com/&h=361&w=647&sz=85&hl=en&start=53&tbnid=r W2FK45Jd7DQvM:&tbnh=76&tbnw=137&prev=/images%3Fq%3Dbowfin%26start%3 D40%26gbv%3D2%26ndsp%3D20%26svnum%3D10%26hl%3Den%26sa%3DN PP SLIDE 17: Armoured Bichir: Lobe-like fins; Ganoid Scales; Unique dorsal finlets; Spiral valve; Well-ossified skeleton; Air breather PP SLIDE 18: Fish Phylogeny (recreation of slide 4) COPY THIS DOWN IN CLASS: (bichirs((sturgeons, paddlefish) (gars (bowfin, teleosts)))) The formal name for the paddlefish and sturgeons is Chondrostei. PP SLIDE 19: Russian Sturgeon: http://instruct1.cit.cornell.edu/courses/his452/Whaling%20Pictures/sturgeon.jpg Paddlefish:: http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/Osteichthyes/paddlefish.jpg PP SLIDE 20: Beluga (Huso huso): http://www.fishbase.org/images/thumbnails/jpg/tn_Huhus_u2.jpg http://images.google.com/imgres?imgurl=http://www.iucn.org/themes/ssc/sgs/sturgeon/i mages/general/large/research.jpg&imgrefurl=http://www.iucn.org/themes/ssc/sgs/sturgeo n/images/general/large/research.html&h=347&w=354&sz=40&hl=en&start=4&tbnid=X nNBV3ooEBx0EM:&tbnh=119&tbnw=121&prev=/images%3Fq%3DHuso%2Bhuso%2 6gbv%3D2%26svnum%3D10%26hl%3Den%26sa%3DG PP SLIDE 21: Sturgeon: http://www.iucn.org/themes/ssc/sgs/sturgeon/images/general/large/sturgeon.jpg PP SLIDE 22: Beluga caviar: http://www.nature.com/nature/journal/v428/n6986/images/428884a-i1.0.jpg PP SLIDE 23: Paddlefish: http://tolweb.org/Chondrostei/15043 http://www.capachi.com/paddlefish%20stamp.jpg PP SLIDE 24: Paddlefish paddle electroreceptors: http://images.google.com/imgres?imgurl=http://www.phy.ohiou.edu/~neiman/synchroniz ation/fig3_s~1.jpg&imgrefurl=http://www.phy.ohiou.edu/~neiman/synchronization/rev.h tml&h=425&w=266&sz=30&hl=en&start=123&tbnid=OG6nTvS3R24tM:&tbnh=126&tbnw=79&prev=/images%3Fq%3Dpaddlefish%26start%3D120%26gbv %3D2%26ndsp%3D20%26svnum%3D10%26hl%3Den%26client%3Dfirefoxa%26channel%3Ds%26rls%3Dorg.mozilla:en-US:officialobmm%252Bg%26sa%3DN PP SLIDE 25: Fish Phylogeny (recreation of slide 4) COPY THIS DOWN IN CLASS: (bichirs((sturgeons, paddlefish) (gars (bowfin, teleosts)))) PP SLIDE 26: Alligator gar: http://www.flmnh.ufl.edu/fish/Gallery/Descript/AlligatorGar/AlligatorGar.html PP SLIDE 27: Fish scale types: http://animaldiversity.ummz.umich.edu/site/resources/ryan_jonna/large_fish_diagram.jpg ctenoid scale: http://library.thinkquest.org/C0124402/data/images/2/2scale_ctenoid.gif cycloid scale: http://library.thinkquest.org/C0124402/data/images/2/2scale_cycloid.gif PP SLIDE 28: Fish gas bladders: http://universe-review.ca/I10-82-bladder.jpg http://www.dkimages.com/discover/previews/845/20237646.JPG http://staff.tuhsd.k12.az.us/gfoster/standard/fishanat.jpg PP SLIDE 29: Fish Phylogeny (recreation of slide 4) COPY THIS DOWN IN CLASS: (bichirs((sturgeons, paddlefish) (gars (bowfin, teleosts)))) PP SLIDE 30: Bowfin = Amia calva; http://tolweb.org/Amiiformes/15047; Abbreviate heterocercal tail; Rudimentary spiral valve in intestine; Cycloid Scales; Well ossified, many skull bones PP SLIDE 31: Amia skull. You will have to scroll through to find figures 1, 2, and 3. http://www.palaeos.com/Vertebrates/Units/100Neopterygii/Images/Overview1.gif PP SLIDE 32: Amia skull: You need to scroll through to find figures 7, 8. and 9A. http://www.palaeos.com/Vertebrates/Units/100Neopterygii/Images/Overview1.gif PP SLIDE 33: Bowfin male: http://www.seagrant.wisc.edu/greatlakesfish/fbowfin.html PP SLIDE 34: Bowfin nest: http://www.dkimages.com/discover/previews/855/20219437.JPG