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FISH HOLT CH. 30 PG. 726-738.

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Presentation on theme: "FISH HOLT CH. 30 PG. 726-738."— Presentation transcript:

1 FISH HOLT CH. 30 PG

2 CHARACTERISTICS OF FISH
ENDOSKELETON

3 CHARACTERISTICS OF FISH
ENDOSKELETON GILLS

4 CHARACTERISTICS OF FISH
ENDOSKELETON GILLS CLOSED-LOOP CIRCULATORY SYSTEM

5 CHARACTERISTICS OF FISH
ENDOSKELETON GILLS CLOSED-LOOP CIRCULATORY SYSTEM KIDNEYS

6 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach

7 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach
FINS AND SWIM BLADDER

8 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach
FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly)

9 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach
FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac

10 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach
FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe

11 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach
FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe EYES-lead to OPTIC lobe

12 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach
FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe EYES-lead to OPTIC lobe TASTE-tongue, skin

13 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach
FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe EYES-lead to OPTIC lobe TASTE-tongue, skin EARS-AUDITORY nerve

14 MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach
FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe EYES-lead to OPTIC lobe TASTE-tongue, skin EARS-AUDITORY nerve LATERAL LINE-senses vibrations in water

15 RESPIRATION/CIRCULATION
Get oxygen from water (GILLS)

16 RESPIRATION/CIRCULATION
Get oxygen from water (GILLS) OPERCULUM-gill cover

17 RESPIRATION/CIRCULATION
Get oxygen from water (GILLS) OPERCULUM-gill cover COUNTERCURRENT FLOW-

18 RESPIRATION/CIRCULATION
Get oxygen from water (GILLS) OPERCULUM-gill cover COUNTERCURRENT FLOW- Water passes over gills in one direction, blood flows opposite direction (85% of dissolved O2 passes over gills)

19 RESPIRATION/CIRCULATION
Get oxygen from water (GILLS) OPERCULUM-gill cover COUNTERCURRENT FLOW- Water passes over gills in one direction, blood flows opposite direction (85% of dissolved O2 passes over gills) SINGLE LOOP BLOOD CIRCULATION

20 RESPIRATION/CIRCULATION
Get oxygen from water (GILLS) OPERCULUM-gill cover COUNTERCURRENT FLOW- Water passes over gills in one direction, blood flows opposite direction (85% of dissolved O2 passes over gills) SINGLE LOOP BLOOD CIRCULATION Blood->gills->heart (atrium then ventricle)->pumped body->gills

21 EXCRETION Most vertebrates conserve water (2/3 of body is water)

22 EXCRETION Most vertebrates conserve water (2/3 of body is water)
SALT/WATER BALANCE-

23 EXCRETION Most vertebrates conserve water (2/3 of body is water)
SALT/WATER BALANCE- Sea water 3X salt of fish tissue

24 EXCRETION Most vertebrates conserve water (2/3 of body is water)
SALT/WATER BALANCE- Sea water 3X salt of fish tissue Excess salt pumped out through gills

25 EXCRETION Most vertebrates conserve water (2/3 of body is water)
SALT/WATER BALANCE- Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment

26 EXCRETION Most vertebrates conserve water (2/3 of body is water)
SALT/WATER BALANCE- Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment Few fish can live in fresh AND salt water

27 EXCRETION Most vertebrates conserve water (2/3 of body is water)
SALT/WATER BALANCE- Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment Few fish can live in fresh AND salt water KIDNEYS-

28 EXCRETION Most vertebrates conserve water (2/3 of body is water)
SALT/WATER BALANCE- Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment Few fish can live in fresh AND salt water KIDNEYS- Maintain salt and water balance

29 EXCRETION Most vertebrates conserve water (2/3 of body is water)
SALT/WATER BALANCE- Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment Few fish can live in fresh AND salt water KIDNEYS- Maintain salt and water balance Removes wastes from blood Excess water leave in form of urine

30 REPRODUCTION Most reproduce sexually and externally *SPAWNING*

31 REPRODUCTION Most reproduce sexually and externally *SPAWNING*
Usually spawn in large groups (schools)

32 REPRODUCTION Most reproduce sexually and externally *SPAWNING*
Usually spawn in large groups (schools) INTERNAL fertilization in skates, sharks, and rays.

33 REPRODUCTION Most reproduce sexually and externally *SPAWNING*
Usually spawn in large groups (schools) INTERNAL fertilization in skates, sharks, and rays. CLASPERS-male organ used to grasp female

34 REPRODUCTION Most reproduce sexually and externally *SPAWNING*
Usually spawn in large groups (schools) INTERNAL fertilization in skates, sharks, and rays. CLASPERS-male organ used to grasp female Eggs develop inside, born live

35 GROUPS OF FISH 3 main groups

36 GROUPS OF FISH 3 main groups Jawless fish

37 GROUPS OF FISH 3 main groups Jawless fish Cartilagenous fish

38 GROUPS OF FISH 3 main groups Jawless fish Cartilagenous fish Bony fish

39 GROUPS OF FISH 3 main groups JAWLESS (AGNATHA) Jawless fish
Cartilagenous fish Bony fish JAWLESS (AGNATHA) Skeletons of CARTILAGE

40 GROUPS OF FISH 3 main groups JAWLESS (AGNATHA) Jawless fish
Cartilagenous fish Bony fish JAWLESS (AGNATHA) Skeletons of CARTILAGE Keep NOTOCHORD into adulthood (no spinal cord/spine)

41 GROUPS OF FISH 3 main groups JAWLESS (AGNATHA) Jawless fish
Cartilagenous fish Bony fish JAWLESS (AGNATHA) Skeletons of CARTILAGE Keep NOTOCHORD into adulthood (no spinal cord/spine) HAGFISH-scavengers/predators- deep in ocean, create slime/tie into knots

42 GROUPS OF FISH 3 main groups JAWLESS (AGNATHA) Jawless fish
Cartilagenous fish Bony fish JAWLESS (AGNATHA) Skeletons of CARTILAGE Keep NOTOCHORD into adulthood (no spinal cord/spine) HAGFISH-scavengers/predators- deep in ocean, create slime/tie into knots LAMPREY-parasites, suction mouth

43 GROUPS OF FISH CARTILAGINOUS FISH

44 NURSE SHARK (notice gill slits)

45 GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws

46 GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws
Skeletons of CARTILAGE

47 GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws
Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate

48 GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws
Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate SHARKS- STREAMLINED-move through water fast

49 GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws
Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate SHARKS- STREAMLINED-move through water fast TRIANGLE shaped scales (PLACOID SCALES)

50 GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws
Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate SHARKS- STREAMLINED-move through water fast TRIANGLE shaped scales (PLACOID SCALES) TEETH are modified scales (6-10 ROWS, 20,000 in life time)

51 GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws
Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate SHARKS- STREAMLINED-move through water fast TRIANGLE shaped scales (PLACOID SCALES) TEETH are modified scales (6-10 ROWS, 20,000 in life time) Largest sharks (whale shark) eat PLANKTON, most others are predators

52 GROUPS OF FISH CARTILAGENOUS CONTINUED:

53 GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS

54 GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies

55

56 DIAMOND STINGRAY

57 BIG SKATE

58 MANTA RAY

59 GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies
Life on sea floor

60 GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies
Life on sea floor Giant manta ray=7m wide (most others smaller)

61 GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies
Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge

62 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH

63 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED)

64 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates

65 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton

66 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH

67 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS

68 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS 96% of fish

69 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS 96% of fish LOBE-FINNED FISH COELOCANTH (PG. 738)

70 COELACANTH

71 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS 96% of fish LOBE-FINNED FISH COELOCANTH (PG. 738) Fleshy fins

72 GROUPS OF FISH CARTILAGENOUS CONTINUED: BONY FISH SKATES/RAYS
Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS 96% of fish LOBE-FINNED FISH COELOCANTH (PG. 738) Fleshy fins Direct ancestors of amphibians and land vertebrates LUNG FISH

73 LUNGFISH

74 LUNGFISH

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