Ten fun facts about Fishes

Fact 1
Fishes are divided into three basic groups: cartilaginous, bony and lobe-finned fishes. There are over 25,000 identified species of fish on the earth.

Fact 2
They have small brains compared to other animals which are relative to their body size.

Fact 3
Cleaner fishes help other fish by removing dead skin and parasites from their scales

Fact 4
They move by creating a wave motion that moves the length of their bodies. This motion produces the thrust that is necessary for them to move through water.

Fact 5
The lateral line system is a specialized sense organ that helps some fishes detect variations in water pressure. They use this like radars to help navigate in dark or muddy water.

Fact 6
They feel pain and suffer stress just like birds and mammals.

Fact 7
Some fishes like sharks do not possess an air bladder to help keep afloat and therefore they have to swim continually or rest on the bottom.

Fact 8
Some species of fishes can fly or glide over the surface and others can climb rocks.

Fact 9
Fishes breathe through their gills and have backbone fins and a two-chambered heart. They can sleep with their eyes open, float without casting a shadow and taste without using their mouths.

Fact 10
Fish do not have 3D vision but make up with acute interrelated sense of smell and taste.

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Short about Fishes
Are cold-blooded aquatic vertebrates that have skins that are covered with scales, a set of gills and two sets of paired fins.

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