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Male Whale Shark – Georgia Aquarium
Image source: Wikipedia Commons- author Zacwolf

Killer Whale

http://kids.britannica.com/elementary/art-87115/Orca-whales-swim-past-visitors-to-a-public-aquarium

Image source: Britannica Online for Kids. Web. 24 May 2013. .

Fish face. Image from web: http://www.dtmag.com/Stories/Ocean%20Science/08-07-feature.htm

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Barcelona Aquarium. Image from Web: http://www.nelso.com/es/place/237359/