Well I have noticed alot of people ask these , but hell I'm going too as well 
first question: looking for the sex of my gt's and JD's now I believe my GT's are both male as I had too split them up , so I have 1 GT and livingstonii in my 55gal , the 90 has 1 gt 2 jd 2 senegals 1 pleco and my snail
2nd question My one JD gets reallly black, blackest I have ever seen with any JD,( main reason for getting them) is this normal or mainly he is very aggrissive ??
Pictures Added for you guys
![20140324_161638[1].jpg 20140324_161638[1].jpg](https://www.monsterfishkeepers.com/forums/data/attachments/799/799181-3fb2a268022a29d966f252fa508c57e3.jpg?hash=P7KiaAIqKd)



Thanks for taking the time everyone
![20140324_161638[1].jpg 20140324_161638[1].jpg](https://www.monsterfishkeepers.com/forums/data/attachments/799/799181-3fb2a268022a29d966f252fa508c57e3.jpg?hash=P7KiaAIqKd)



first question: looking for the sex of my gt's and JD's now I believe my GT's are both male as I had too split them up , so I have 1 GT and livingstonii in my 55gal , the 90 has 1 gt 2 jd 2 senegals 1 pleco and my snail
2nd question My one JD gets reallly black, blackest I have ever seen with any JD,( main reason for getting them) is this normal or mainly he is very aggrissive ??
Pictures Added for you guys
![20140324_161638[1].jpg 20140324_161638[1].jpg](https://www.monsterfishkeepers.com/forums/data/attachments/799/799181-3fb2a268022a29d966f252fa508c57e3.jpg?hash=P7KiaAIqKd)



Thanks for taking the time everyone
![20140324_161638[1].jpg 20140324_161638[1].jpg](https://www.monsterfishkeepers.com/forums/data/attachments/799/799181-3fb2a268022a29d966f252fa508c57e3.jpg?hash=P7KiaAIqKd)




