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Laterally compressed

Fish Anatomy. body shape. Laterally compressed. Fish Anatomy. body shape. Fusiform. Fish Anatomy. gills. Fish Anatomy. scales. Fish Anatomy. fins. Fish Anatomy. fins. Fish Anatomy. lateral line. Fish Anatomy. swim bladder. Fish Anatomy. eyes. Fish Anatomy. ears. Fish Anatomy.

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Laterally compressed

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  1. Fish Anatomy body shape Laterally compressed

  2. Fish Anatomy body shape Fusiform

  3. Fish Anatomy gills

  4. Fish Anatomy scales

  5. Fish Anatomy fins

  6. Fish Anatomy fins

  7. Fish Anatomy lateral line

  8. Fish Anatomy swim bladder

  9. Fish Anatomy eyes

  10. Fish Anatomy ears

  11. Fish Anatomy nares (nose)

  12. Fish Anatomy coloration

  13. Fish ID Bluegill • Small, flattened fish, • shaped like the palm of a hand • 2 part dorsal fin – spines in front, and soft rays in back • Small mouth • (edge of mouth doesn’t reach the front of the eye) • Dark vertical stripes on sides • Ear flap is black • Breast is yellow/orange • Chin and lower part of gill cover is blue

  14. Fish ID Bluegill Spines are sharp like needles! They help protect the fish from larger fish. • Small, flattened fish, • shaped like the palm of a hand • 2 part dorsal fin – spines in front, and soft rays in back • Small mouth • (edge of mouth doesn’t reach the front of the eye) • Dark vertical stripes on sides • Ear flap is black • Breast is yellow/orange • Chin and lower part of gill cover is blue

  15. Fish ID Bluegill Bluegill spend most of their time in vegetation. The vertical stripes help camouflage them. • Small, flattened fish, • shaped like the palm of a hand • 2 part dorsal fin – spines in front, and soft rays in back • Small mouth • (edge of mouth doesn’t reach the front of the eye) • Dark vertical stripes on sides • Ear flap is black • Breast is yellow/orange • Chin and lower part of gill cover is blue

  16. Fish ID Bluegill Bluegill primarily eat aquatic insects and other invertebrates. • Small, flattened fish, • shaped like the palm of a hand • 2 part dorsal fin – spines in front, and soft rays in back • Small mouth • (edge of mouth doesn’t reach the front of the eye) • Dark vertical stripes on sides • Ear flap is black • Breast is yellow/orange • Chin and lower part of gill cover is blue

  17. Fish ID Green Sunfish • Distinguished from bluegill by: • Body is longer than round • Larger mouth • (edge of mouth reaches the front of the eye) • Fins tipped in yellow/orange • Ear flap has yellow/orange edge • Blue streaks on the sides of head

  18. Fish ID Largemouth Bass • Body is long instead of round • Very large mouth • (edge of mouth reaches past the eye) • White on bottom • Dark stripe on sides • Spiny and soft-rayed parts of dorsal fin nearly separate • Can get larger than sunfish – up to 10 lbs. in Nebraska

  19. Fish ID Largemouth Bass Dark on top & light on bottom is called countershading. It camouflages a fish from predators. • Body is long instead of round • Very large mouth • (edge of mouth reaches past the eye) • White on bottom • Dark stripe on sides • Spiny and soft-rayed parts of dorsal fin nearly separate • Can get larger than sunfish – up to 10 lbs. in Nebraska

  20. Fish ID Channel Catfish • No scales on body • Whiskers (barbels) on mouth • Small fatty adipose fin on back • When small, dark spots on sides of body • Forked tail fin • Can get very large – record is 41.5 lbs. in Nebraska

  21. Fish ID Channel Catfish Barbels don’t sting! They are covered in ‘tastebuds’ and used to locate food. Spines on the pelvic & dorsal fins are the things to be careful of! • No scales on body • Whiskers (barbels) on mouth • Small fatty adipose fin on back • When small, dark spots on sides of body • Forked tail fin • Can get very large – record is 41.5 lbs. in Nebraska

  22. Fish ID Black Bullhead • Distinguished from channel catfish by: • No spots on sides of body • Brown or golden orange color • Rounded tail fin • Does not grow to large sizes

  23. Fish ID Rainbow Trout • Long, streamlined body • Very small scales • Small fatty adipose fin on back • Small black spots on body and tail fin, dorsal fin • Pinkish stripe on sides • Can get large – record is 14 lbs. in Nebraska

  24. Fish Handling

  25. Measuring Fish

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