pterophyllum in a sentence

Examples

1. Other ( sub ) species have been proposed, but morphometric data ( unlike in " Pterophyllum ", the freshwater angelfish ) varies as much between individuals from one location as across the whole range of all discus fish species . " S . tarzoo " was described in 1959 and applies to the red-spotted western population . " S . aequifasciatus " and " S . discus ", meanwhile, seem to Rio Negro.