Needlenose Gar

Question
I have two needlenose gar about 5 inches long, one is slightly smaller in size though and i recently noticed it to have a small thin red line on top of it's head towards it's back. What does this line mean?

Answer
im not sure

this website is about diseases etc...if he's ill tis website will tell you..but maybe do some research on them, it could be a colouration the males get or something? i dont know though..im not too sure what needlenose gar are aorry

http://www.fishdeals.com/fish_diseases/stressdisease.shtml