This is Martha.
Martha, as many of you know, is Tetraodon lineatus, a Fahaka Puffer and is considered by many to be the most vicious and aggresive freshwater puffer species on the planet.
A species so violent that they have been known to break aquarium glass with their teeth in an attempt to attack someone standing near the tank.
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This is Julian.
Julian is a Polypertus Ornatapinnis, an Ornate Bichir who is now pushing 18 inches in length.
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We think that we have a Fahaka Puffer in a million because Martha has never shown the slightest inkling of aggresion towards us and tolerates Julian as if he's simply not there, even allowing him to perch on her back on his hourly patrol of the tank.
Maybe it's because Martha is very well fed, or because she's got used to my arm being in her tank two or three times a day evey day cleaning out the huge poops that appear in the tank, but Martha simply has never developed aggresion.
We continue to monitor Julian daily for signs of Martha's aggresion but have found none, not even bites to his large and colourful fins.
Martha, as many of you know, is Tetraodon lineatus, a Fahaka Puffer and is considered by many to be the most vicious and aggresive freshwater puffer species on the planet.
A species so violent that they have been known to break aquarium glass with their teeth in an attempt to attack someone standing near the tank.
___________________________________
This is Julian.
Julian is a Polypertus Ornatapinnis, an Ornate Bichir who is now pushing 18 inches in length.
__________________________________
We think that we have a Fahaka Puffer in a million because Martha has never shown the slightest inkling of aggresion towards us and tolerates Julian as if he's simply not there, even allowing him to perch on her back on his hourly patrol of the tank.
Maybe it's because Martha is very well fed, or because she's got used to my arm being in her tank two or three times a day evey day cleaning out the huge poops that appear in the tank, but Martha simply has never developed aggresion.
We continue to monitor Julian daily for signs of Martha's aggresion but have found none, not even bites to his large and colourful fins.
Why is it that bichirs like to lay on other fish? My senegals pile up on little mo (Mogurnda gudgeon) when he rests 
