アニマルプラネットのインスタグラム(animalplanet) - 4月10日 01時23分

The amazing animals of this planet are often categorized into two main groups – vertebrates (animals with backbones) and invertebrates (animals without backbones). This week on our Instagram we’ll be showcasing the 5 groups of vertebrates. Do you remember them all? Let’s start with fish! Fish are gill-bearing aquatic animals that don’t have any limbs with digits (fingers or toes). Most fish are cold blooded and can communicate underwater through acoustic communication! Did you know there are over 33,000 different species of fish? That makes them the most diverse group of vertebrates.
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#vertebrateweek #animalplanet #wildlife #fish #fishofinstagram #nature #animallovers

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