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Characteristics of Fish

Published on Jan 25, 2016

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1.

Characteristics of Fish

Photo by the_tahoe_guy
2.

All Fish

  • Live in water
  • Breathe through gills
  • Have a backbone
Photo by dbnunley
3.

Most Fish

  • Move using fins
  • Covered in scales
  • Cold blooded
  • Reproduce by laying eggs
Photo by dbnunley
4.

Classes of Fish

Photo by Kol Tregaskes
5.

Bony Fish

  • Ray-finned (most fish)
  • Lobe-finned
  • Have a swim bladder to keep from sinking
  • Have a skeleton made of bone
Photo by listentoreason
6.

Cartilaginous Fish

  • Sharks
  • Skates
  • Rays
  • Skeleton made of cartilage, not bone
  • Must keep moving to keep from sinking
Photo by uccsbiology
7.

Jawless Fishes

  • Hagfish
  • Lampreys
  • Eel-like
  • smooth, slimy skin
Photo by wundoroo

Lauren Parker