Pterophyllum altum | definition of Pterophyllum altum by Medical dictionary
Pterophyllum (redirected from Pterophyllum altum)
small, highly colored, laterally compressed aquarium fish with thin, trailing fins. Called also angelfish. Members of the family Chaetodontidae.
References in periodicals archive
Even for those who have never owned an aquarium, freshwater angelfish such as this Pterophyllum altum
are among the most readily recognizable aquarium fishes.