Pterophyllum altum (Linke linie)
Pterophyllum altum (Siegrist linie)
Barevné rozdíly mezi (Color differences between the) Pterophyllum altum (Linke Line), Pterophyllum altum (Forkel Line) a Pterophyllum altum (Siegrist Line).
video (Linke Line)
video (Siegrist Line)