Picture Summary

Size (cm):

Sex/Stage:

male

Reference:

Remark:

Males can be distinguished from females by their larger body size, blunter/deeper head shape (hence the species name), and darker fins and head.

Size (cm):
Locality:	Canada, Alberta
Sex/Stage:	male
Date:
Reference:
Source:
Remark:	Males can be distinguished from females by their larger body size, blunter/deeper head shape (hence the species name), and darker fins and head.