i recently noticed that my endichleri has a spot on the bottom of its body looks like a small wound similar to a pimple....What should i do? its my first time to see something like this could it be a wound from the substrate in its tank w/c are pebbles? any info would help...thanks

sorry for the crappy pic its from my cel...its the spot in the middle beteen the fins...

sorry for the crappy pic its from my cel...its the spot in the middle beteen the fins...
