1) Fish common name 
In fishes, a suckermouth is a ventrally-oriented (inferior) mouth adapted for grazing on algae and small organisms that grow on submerged objects. All Loricariidae possess a suckermouth as do the cypriniform algae eaters of the genus Gyrinocheilus and other genera. The `False Siamensis` (Epalzeorhynchus sp. or Garra taeniata) also has this featu.....