Parts of the Fish
and the
Function
Fins
• To allow the fish to stay
upright, move, and
maneuver in the water
Rays
• Soft cartilage structure that
supports the fins of the
fish.
Spine
Hard structure that supports
the fins and is used for
defense
Dorsal and Anal Fins
Balance and close quarters movements
Pectoral Fin
Allows to fish to dive and also
allows the fish to stay in one spot.
Pelvic Fin
Balances and positions
Tail Fin
Helps to propel the fish
Lateral Line
Helps the fish detect vibration, sensors, and
helps the fish to find food and to navigate
to avoid predators.
Gills
Supply the fish with oxygen that they need
from water. Gills are one of the most
important parts on a fish.
Gill Raker
Strain the aquatic micro structure for use by
the fish.
Barbels
Bottom feeders, they only taste
and feel
Scales
Protective cover on fish that prevents injury
or disease also indicates age.
Skin
Trout/Carp
Catfish-Bullhead
Tough skin and scales
Mucus Covering
Protection from infections and disease. Also
helps in swimming, lowering friction in the
water.
Nostrils
Are for smell