Fish Sides
| How Can You Determine
the Age Of a Fish? |
| One way is by the scales, which can have growth rings
like trees! The part of the scale inside the skin contains clusters of
ridges called "annuli." Each cluster equals one year's worth of growth. |
It is as easy as it seems: dorsal
means top, ventral means bottom, posterior means rear, and anterior means
front.
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Copyright © 2002 Missouri
Botanical Garden
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