New study investigates evolutionary ages and convergence of freshwater elephantfishes and neotropical knifefishes…

Among teleosts some of the more bizarre-looking belong to the superfamily Mormyroidea (freshwater elephantfishes) and order Gymnotiformes (neotropical knifefishes), but both these groups are perhaps most notable for their shared ability to generate and receive weak electric fields used in communication and navigation. Continue reading »