FISHES

FISHES

1. WHAT ARE FISH LIKE?

   • FISH ARE EXCLUSIVELY AQUATIC VERTEBRATES AL THER CHARACTERISTICS MAKE THEM SPECIFIALLY SUITED FOR LIVING IN WATER

2. CHARACTERISTICS

   • THE MAYORITY OF THEM HAVE PROTECTIVE SCALES COVERING THEIR BODIES
   • THEIR BODY SHAPE HELPS THEM GLIDE THOUGH WATER EASILY AND DIFFERENT TYPES OF FINS
   • THEY ARE ECTOTHERMIC (ORGANS WHICH EXTRACT OXYGEN FROM WATER)
   • THEY HAVE A UNIQUE SENSE ORGAN CALLLED THE LATERAL LINE

3. NUTRICION

   • MOST FISH ARE CARNIVORES AND ALSO HERVIVORES

4. REPRODUCTION

   • FISHES REPRODUCE SEXUALLY

5. THERE ARE TWO TYPES OF FISHES

   • BONY FISH
     • they have a bone skeleton
     • they have a covering called operculum
     • they have flat and round scales
   • CARTILAGINOUS FISH
     • They have a cartilage skeleton
     • whit gills without operculum
     • they have thick tooth like scales
     • they do not have a swim blader