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Fish

Fish are aquatic vertebrates that are typically cold-blooded; covered with scales, and equipped with two sets of paired fins and several unpaired fins.
Fish Anatomy
Nearly all fish have a streamlined body plan, which is divided into head, trunk, and tail, although the dividing points are not always externally visible.
Shark Anatomy
The skeleton of a shark is very different from that of bony fishes such as cod; it is made from cartilage, which is very light and flexible, although the cartilage in older sharks can sometimes be partly calcified, making it harder and more bone-like.
Common Species
Common commercial fish found in New Zealand waters. (click on the fish to get a larger view)

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