Upper Jaw vs Lower Jaw Bichirs
Quite recently, Bichirs have become a popular fish among Filipino fishkeepers. Bichirs are elongated fishes belonging to the genera Polypterus and Erpetoichthys, the latter being represented by its only species, the Erpetoichthys calabaricus, commonly called Ropefish or Reedfish.
The Bichir craze is alive in the country: Filipino fishkeepers are eagerly talking about this fish in discussion groups, fish clubs, and just about any social fish organization, both locally and internationally. One common topic is the comparison between Upper Jaw and Lower Jaw Bichirs -- what’s the difference?