The undersea world isn't as quiet as we thought, according to a New Zealand researcher who found fish can "talk" to each other.
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Warren Eckstein chats with MSNBC.com about keeping pet fish. Chat questions were answered on the phone through a typist. This is the transcript of that phone call. Chat producer Will Femia moderates.
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Goldfish have always been popular, ever since the Chinese first kept them 5,000 years ago. In fact it's been estimated that among us we own an amazing 19 million of them. However, the practice of keeping fish in tanks is a relatively modern one - developed in the 1830s to study aquatic life at close range.
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Cats, dogs, parrots and even fish are right or left-handed, scientists have revealed.
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