In humans the outermost covering of body is the skin,which protects our internal organs from damage. Likewise in fishes the body is covered with scales. Scales form an integral part of body covering.
The image shows the fish with its scales.
Scales vary greatly in size, shape and structure.
Fish scales are divided into various categories and are shown below with the help of diagrams.
Diagram (a) signifies the Cycloid scales found in Teleost fishes
Diagram (b) signifies Ctenoid scales
Diagram (c) and (d) are for the Placoid scales present in sharks and rays
Diagram (e) signifies Ganoid scales present in Sturgeons and Bowfin
The morphology of scale helps in the identification of a fish. A particular species of fish has a particular kind and number of scales throughout the world.
http://allfishblog.blogspot.com/2011/03/s.html
Scales vary greatly in size, shape and structure.
Fish scales are divided into various categories and are shown below with the help of diagrams.
Diagram (a) signifies the Cycloid scales found in Teleost fishes
Diagram (b) signifies Ctenoid scales
Diagram (c) and (d) are for the Placoid scales present in sharks and rays
Diagram (e) signifies Ganoid scales present in Sturgeons and Bowfin
The morphology of scale helps in the identification of a fish. A particular species of fish has a particular kind and number of scales throughout the world.
http://allfishblog.blogspot.com/2011/03/s.html
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