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Phylum Chordata Subphylum Vertebrata. Fishes Chapter 8.

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Presentation on theme: "Phylum Chordata Subphylum Vertebrata. Fishes Chapter 8."— Presentation transcript:

1 Phylum Chordata Subphylum Vertebrata

2 Fishes Chapter 8

3 Larvae of a jawless fish *Cranium *Vertebrae Skeletal elements of a jawless fish Subphylum Vertebrata

4 Jawless Fishes

5 Jawless Fishes – ancient diversity

6 Jawless fish: Hagfish

7 Jawless fish: Lamprey

8 Hagfish Lamprey Jawless Fishes – modern diversity

9 lampreys Jawless Fishes – modern diversity

10 Jawed Vertebrates *Jaws *Paired fins Fossil placoderm

11 Class Chondrichthyes Cartilaginous fishes

12 Class Chondrichthyes

13 Paired fins Placoid scales

14 Class Chondrichthyes

15 Shark Diversity

16

17 megamouth shark Megachasma pelagios Pygmy shark Squaliolus laticaudus Rhincodon typus Whale shark Mitsukurina owstoni Goblin shark Shark Diversity

18 Ampullae of Lorenzini

19 Shark Conservation

20 Manta birostris Skates and rays

21 Electric Ray Narcine brasiliensis

22 Hydrolagus colliei Ratfishes or chimaeras

23 Class Osteichthyes bony fishes

24 Class Osteichthyes Bony skeleton

25 Complex and adaptable Class Osteichthyes Mouth

26 Class Osteichthyes scales

27 Class Osteichthyes Fins and tail

28 Class Osteichthyes Gill cover

29 Class Osteichthyes Buoyancy

30 Fish diversity

31 Fishery Exploitation

32 Mobility Tuna

33 Body form and niche Flounder

34 Body form and niche seahorse

35 Body form and niche Porcupine fish

36 Body form and niche jawfish

37 Coloration

38 Jaw protrusion Feeding

39 Jaws

40 Filter feeding anchovies & sardines

41 Filter feeding Gill rakers

42 Vision

43 Taste Olfaction

44 Lateral Line

45

46 nerves

47 Lateral Line

48 Fish behavior and life history

49 Territoriality

50 Fish Schooling

51 Fish Migrations

52 Anadromous

53 Fish Migrations Anadromous

54 Fish Migrations Anadromous

55 Fish Migrations Catadromous

56 Coelacanths

57 Lobe-finned fishes Lobe Fins

58 Fossil lobe-finned fishes

59 Christmas 1938 Port Elizabeth, South Africa

60 Original letter from Majorie Courtney- Latimer to J.L.B. Smith

61 23 Dec. 1938

62 J.L.B. Smith Majorie Courtney- Latimer

63 Marjorie Courtney Latimer's odd fish

64 The first coelacanth

65 The Search for more….

66 The Second Coelacanth 1952, Comoro Islands

67 Back in South Africa

68 The Second Coelacanth 1952, Comoro Islands

69 Dr. James Millot ALL living coelacanth research moves to Paris

70 J.L.B. Smith Institute of Ichthyology Grahamstown, South Africa

71

72 Lobe-finned fish Living Coelacanth

73 Latimeria chalumnae

74 1998 -- a second species from Indonesia Sulawesi, Indonesia, 1998 Latimeria menadoensis


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