Question

age of a fish is determined based on its growth rings located on its?​

Answer 1

Answer:

The embedded area is covered with striations and concentric rings, while the exposed area is unstriated. Scales vary in shape depending on the contours of the fish. The best scales for age and growth rate determination are generally to be found on the shoulder of the fish between the head and the dorsal fin .

Answer 2

The age of a fish is determined based on its growth rings located on its shoulder.

• The skin of fish possess pockets in which lie the scales. Its embedded area contains striations as well as concentric rings.
• Different scales usually have different shapes.
• The scales located on the shoulder (i.e. between the head and the dorsal fin) of the fish are best suitable to determine its age and the growth rate.