Redescription of the Guiana Shield Darter Species Characidium crandellii and C. declivirostre (Crenuchidae) with Descriptions of Two New Species

Jonathan W. Armbruster, Nathan K. Lujan, and Devin D. Bloom

Ichthyology & Herpetology 109: 102–122

Supplemental Material: Counts & Measurements/Description of Characters