Fish anatomy

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  1. primitive jawless fish
    Petromyzontida
  2. cartilaginous fish
    Chondrichthyes
  3. modern bony teleosts
    Actinopterygii
  4. bony fish are also called
    teleosts
  5. Perch body shape is called
    fusiform
  6. eel body shape is called
    elongated
  7. a shape that is flattened laterally is called
    compressed
  8. body shape flattened dorso-ventrally
    depressed
  9. body shape (sea horse)
    truncated
  10. thin shape of an eel is called
    attenuated
  11. describe the movement of water for olfaction
    • 1. enters the rostral nasal aperture
    • 2. passes over the olfactory epithelium in olfactory sacs
    • 3. leaves via caudal aperture
  12. This is an acoustic sense organ that senses water movement, pressure, temperature
    lateral line
  13. Paired fins
    • pectoral
    • pelvic
  14. name the unpaired (median) fins and if they have hard or soft rays
    • first dorsal - hard
    • second dorsal - mostly soft
    • anal - mostly soft
    • caudal - entire soft
  15. when the vertebral column terminates at the tail base it is called
    homocercal
  16. ossified hard rays are called
    lepidotrichion
  17. soft rays are called
    ceratotrichion
  18. these scales are found on fish with stiff spines (perch) The small teeth are called ____.
    ctenoid, ctenii
  19. these scales lack ctenii
    cycloid
  20. this scale is in cartilaginous fishes and has a back pointing spine
    placoid
  21. these scales are on primitive bony fish
    ganoid
  22. This is synonymous with the mandible of mammals
    dentary bone
  23. These bones form the jaw articulation
    • articular
    • quadrate
  24. This bone is caudal to the gills and is best seen on carp skeletons
    operculum
  25. The three bones of the operculum
    opercular, interopercular, subopercular
  26. This contains the notochord
    centrum
  27. The parts of a vertebra from dorsal to ventral
    • neural spine
    • neural arch
    • hemal arch
    • hemal spine
  28. encloses spinal cord
    neural arch
  29. surrounds caudal v. & caudal dorsal aorta
    hemal arch
  30. these ribs lie between the epaxial and hypaxial musculature
    epipleural ribs
  31. These are the ventral ribs
    pleural ribs
  32. this means base fin (on the carp)
    basipterygia
  33. contraction of muscles results in movement and ______
    heat generation
  34. attached to the arches on the oral surface to keep food from entering gill chambers
    gill rakers
  35. the general cavity containing the internal organs
    coelomic cavity
  36. This is the glandular region of the stomach
    corpus
  37. this is the aglandular region of the stomach
    pyloric
  38. This vessel goes from the heart to the gills
    ventral aorta
  39. this vessel goes from the gills to the body
    dorsal aorta
  40. These vessels go from the head to the heart
    cranial cardinal veins
  41. these vessels go from the body to the heart
    caudal cardinal veins
  42. The four parts of the heart from caudal to cranial
    • sinus venosus
    • atrium
    • ventricle
    • bulbus arteriosus (extenstion of ventral aorta)
  43. This organ is located along the dorsal body wall and the cranial portion is called ______.
    kidney, head kidney
  44. This is a fusion of the urinary bladder and oviduct
    urogenital sinus
  45. the urogenital sinus terminates in the
    urogenital pore
  46. This contains the ductus deferens and opens to the exterior via the ________.
    genital sinus, genital pore
  47. Male perches have how many external openings (near tail)
    3 - anus, genital pore, urinary pore
  48. female perches have how many external openings (near tail)
    2 - urogenital pore and anus
  49. What is the male fish ejaculate called?
    milt
  50. Spawning is
    the release of eggs and sperm into the water
  51. newly hatched offspring are called
    Fry
Author:
kenleyc
ID:
316549
Card Set:
Fish anatomy
Updated:
2016-02-27 00:24:29
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fish anatomy
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Description:
fish anatomy terms
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