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Acanthicus Hystrix (?)

Posted: 31 Jul 2013, 01:50
by tagamasid1023
My 7-year old daughter snapped this photo at the Shedd Aquarium during one of their class field trips. She describes this mean-looking fish to be over two feet long.

Re: Acanthicus Hystrix (?)

Posted: 31 Jul 2013, 07:44
by Acanthicus
Morning,

this looks like an adult Acanthicus adonis to me. They loose the white spots that juveniles have.

A. hystrix is impossible to ID by the way because nobody knows where the holotype really came from. We know several similar black forms of different rivers that differ in smaller characteristics.