The ocean is a mysterious and vast world, inhabited by many amazing creatures. Among them, some marine animals are known for their amazing speed. Here are the 10 fastest marine animals, ranked from fastest to slowest.1. Blacktip SharkSpeed: Up to 60 kilometers (37 miles) per hourFeatures: Blacktip s...
Yellowfin tuna and bluefin tuna are two different species of tuna, and they have some distinct differences. Here are some of their characteristics and differences: Appearance: Yellowfin tuna usually has distinct golden yellow fins and a metallic blue back, while bluefin tuna has dis...
In the middle Devonian period, some more advanced bony fishes appeared. Part or all of their bones ossify into hard bone. The outer layer of the skull is made up of a large number of bone fragments joined together in a complex pattern, covering the top and sides of the head and back over the...
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