https://nas.er.usgs.gov/queries/SpecimenViewer.aspx?SpecimenID=30298
freshwater angelfish (Pterophyllum sp.) - Collection record
freshwater angelfish (Pterophyllum sp.) - Collection record
freshwater angelfishspcollectionrecord
https://pubchem.ncbi.nlm.nih.gov/taxonomy/Pterophyllum-altum
Pterophyllum altum | Taxonomy - PubChem
Taxonomy information for Pterophyllum altum. Find diseases associated with this biological target and compounds tested against it in bioassay experiments.
altumtaxonomypubchem
https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=475
freshwater angelfish (Pterophyllum scalare) - Species Profile
Species summary for freshwater angelfish (Pterophyllum scalare)
freshwater angelfishpterophyllum scalarespeciesprofile
https://aquamax-weblog.blogspot.com/2009/08/briefmarken-mit-fischmotiven.html
aquamax - das Weblog zur Website: Briefmarken mit Fischmotiven: Pterophyllum scalare
Weblog zum Thema Aquaristik, Algen im Aquarium, aquamax
zur websiteaquamaxdasweblogbriefmarken