AZ Animals (US) on MSN9mon
The 12 Best Tank Mates to Pair with Oscar Fish
The first tank mate on our list is the Jack Dempsey cichlid which has a similar temperament to Oscars. Jack Dempsey has a ...
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Fish Teeth Show That Ease of Evolution Is Its Own Evolutionary Advantage
Complex teeth with multiple cusps in an African cichlid fish. The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that ...