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  • Their resemblance to the marine genera mentioned above is very remarkable, and the mistake as to their true zoological character is as natural as that by which earlier ichthyologists, and even travellers of very recent date, have confounded some fresh-water fishes from the Upper Amazons of the genus Pterophyllum (Heckel) with the marine genus Platax.

    The Atlantic Monthly, Volume 18, No. 106, August, 1866

  • In at least two species of Pterophyllum, -- _P. comptum_ and _P. minus_, -- the divisions of the leaflets seem little else than accidental rents in a simple frond; in _P.

    The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed

  • A Cycadea (Pterophyllum gonorchachis, Gopp.) has also been found in the carboniferous formations in Upper Silesia, at Konigshutte.

    COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1

  • These are a selectively bred form of the domesticated angel, Pterophyllum scalare.

    Practical Fishkeeping

  • These include the angelfish (Pterophyllum scalare), the discus fish (Symphsodon aequifasciata sp.), hundreds of cichlids such as in the genus Cichlasoma, assorted characins (family Anostomidae) such as tetras in the genera Hemigrammus and Hyphessobrycon and the famous neon tetra (Paracheirodon innesi), and many small catfish (families Aspredinidae, Corydoradinae, Doradidae, and Loricariidae).

    Iquitos varzea

  • [footnote] * Goppert describes three other Cycadeae (species of Cycadites and Pterophyllum), found in the brown carboniferous schistose clay of

    COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1

  • The jar contains a preserved Pterophyllum scalare freshwater angelfish from the Amazon, and the watercolor artwork in the background is by Agassiz’s illustrator Jacques Burkhardt.

    Pandas and Man at Harvard - The Panda's Thumb

  • Like normal Pterophyllum scalare, they reach about 10cm/4 "in length and get a little taller.

    Practical Fishkeeping


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