Fishes Chapter 24
Diversity
 
Fossils of Early Vertebrates
Fossils of Early Vertebrates <ul><li>Placoderms </li></ul>
Fossils of Early Vertebrates <ul><li>Acanthodians </li></ul>
Fossils of Early Vertebrates <ul><li>cartilaginous fishes : Class Chondrichthyes </li></ul>
Fossils of Early Vertebrates <ul><li>bony fishes </li></ul><ul><li>ray & lobe </li></ul>
Agnathans <ul><li>class Myxini ,  </li></ul><ul><li>the  hagfishes </li></ul><ul><li>class Petromyzontida , the  lampreys ...
Class Myxini - Hagfish
Class Myxini - Hagfish
Class Myxini - Hagfish
Class  Petromyzontida  - Lampreys
Class  Petromyzontida  - Lampreys
Class  Petromyzontida  - Lampreys
Class  Petromyzontida  - Lampreys
Derived Characters of Gnathostomes
Fossil Gnathostomes
Fossil Gnathostomes
Class Chondrichthyes
Subclass Elasmobranchii
Subclass Elasmobranchii
Subclass Elasmobranchii
Subclass Elasmobranchii–  Acute Senses
Subclass Elasmobranchii “ mermaid’s purse”
Subclass Elasmobranchii
Subclass Elasmobranchii
Subclass Elasmobranchii
Subclass Elasmobranchii
Subclass Holocephali
Osteichthyes
Class Actinopterygii
Class Actinopterygii <ul><li>Two main groups of ray-finned fishes. </li></ul><ul><ul><li>Chondrosteans </li></ul></ul>
Class Actinopterygii <ul><ul><li>Neopterygians   </li></ul></ul>
Class Actinopterygii
Teleosts
Teleosts
Teleosts
Class Sarcopterygii
Class Sarcopterygii
Class Sarcopterygii
Locomotion in Water
Locomotion in Water
Buoyancy
Buoyancy
Buoyancy
Buoyancy:  Physostomous  fishes 1 st  method
Buoyancy:  Physoclistous  fishes 2 nd  Method
Hearing:  Weberian ossicles
Respiration
Osmotic Regulation
Feeding Behavior
Feeding Behavior
Migration
Migration
Reproduction
Reproduction
Growth
Growth French Angelfishes ( Pomacanthus paru ) juvenile (left) and adult (right).
Growth
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24. Fishes

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Zoology: Chapter 24 Fishes

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  • “ Fish ” refers to one or more individuals of one species. “ Fishes ” refers to more than one species.
  • 24. Fishes

    1. 1. Fishes Chapter 24
    2. 2. Diversity
    3. 4. Fossils of Early Vertebrates
    4. 5. Fossils of Early Vertebrates <ul><li>Placoderms </li></ul>
    5. 6. Fossils of Early Vertebrates <ul><li>Acanthodians </li></ul>
    6. 7. Fossils of Early Vertebrates <ul><li>cartilaginous fishes : Class Chondrichthyes </li></ul>
    7. 8. Fossils of Early Vertebrates <ul><li>bony fishes </li></ul><ul><li>ray & lobe </li></ul>
    8. 9. Agnathans <ul><li>class Myxini , </li></ul><ul><li>the hagfishes </li></ul><ul><li>class Petromyzontida , the lampreys . </li></ul>
    9. 10. Class Myxini - Hagfish
    10. 11. Class Myxini - Hagfish
    11. 12. Class Myxini - Hagfish
    12. 13. Class Petromyzontida - Lampreys
    13. 14. Class Petromyzontida - Lampreys
    14. 15. Class Petromyzontida - Lampreys
    15. 16. Class Petromyzontida - Lampreys
    16. 17. Derived Characters of Gnathostomes
    17. 18. Fossil Gnathostomes
    18. 19. Fossil Gnathostomes
    19. 20. Class Chondrichthyes
    20. 21. Subclass Elasmobranchii
    21. 22. Subclass Elasmobranchii
    22. 23. Subclass Elasmobranchii
    23. 24. Subclass Elasmobranchii– Acute Senses
    24. 25. Subclass Elasmobranchii “ mermaid’s purse”
    25. 26. Subclass Elasmobranchii
    26. 27. Subclass Elasmobranchii
    27. 28. Subclass Elasmobranchii
    28. 29. Subclass Elasmobranchii
    29. 30. Subclass Holocephali
    30. 31. Osteichthyes
    31. 32. Class Actinopterygii
    32. 33. Class Actinopterygii <ul><li>Two main groups of ray-finned fishes. </li></ul><ul><ul><li>Chondrosteans </li></ul></ul>
    33. 34. Class Actinopterygii <ul><ul><li>Neopterygians </li></ul></ul>
    34. 35. Class Actinopterygii
    35. 36. Teleosts
    36. 37. Teleosts
    37. 38. Teleosts
    38. 39. Class Sarcopterygii
    39. 40. Class Sarcopterygii
    40. 41. Class Sarcopterygii
    41. 42. Locomotion in Water
    42. 43. Locomotion in Water
    43. 44. Buoyancy
    44. 45. Buoyancy
    45. 46. Buoyancy
    46. 47. Buoyancy: Physostomous fishes 1 st method
    47. 48. Buoyancy: Physoclistous fishes 2 nd Method
    48. 49. Hearing: Weberian ossicles
    49. 50. Respiration
    50. 51. Osmotic Regulation
    51. 52. Feeding Behavior
    52. 53. Feeding Behavior
    53. 54. Migration
    54. 55. Migration
    55. 56. Reproduction
    56. 57. Reproduction
    57. 58. Growth
    58. 59. Growth French Angelfishes ( Pomacanthus paru ) juvenile (left) and adult (right).
    59. 60. Growth
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