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Oscar the guard fish

By Leonard Ho - Posted May 06, 2013 07:00 AM
When most fish see a predator like a cat stalking them, they run for cover. Not oscars. These fish are almost dog-like in personality ... and they also share an equal disdain for cats.

Oscar vs Felix

While all fish have personalities, only a few fish have enough personalities for people to regard them as pets.  For saltwater, tinker's butterflyfish and dogface puffers may come to mind.  For freshwater, oscars clearly fit the bill.  A big part of what makes an oscar a "pet fish" is their eagerness to interact with life outside their glass box, and not just with their owners.

Take cats for example.  Cats are notoriously interested in aquariums.  Oscars are notoriously interested in protecting their aquariums.  When you mix the two, you get some entertaining results.

Oscar KOs Felix in under 30 seconds!


An adorable kitten is lucky there's a pane of glass between him and what he thinks is his play toy:


Who's stalking who?

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.


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