Knife Fish

Knifefish are some of the most interesting freshwater aquarium fish available. Their unique "knife blade" body shape and ability to swim backwards using their undulating bottom fin make them fascinating additions to appropriate aquarium communities.

Knifefish are some of the most interesting freshwater aquarium fish available. Their unique "knife blade" body shape and ability to swim backwards using their undulating bottom fin make them fascinating additions to appropriate aquarium communities.

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