Pterophyllum altum, also referred to as the altum angelfish, deep angelfish, or Orinoco angelfish,[1] occurs strictly in the Orinoco River Basin and the Upper Rio Negro watershed in Southern Venezuela, Southeastern Colombia and extreme Northern Brazil.[2]
^"Altum Angelfish, Orinoco Angel, Deep Angel". mongabay.com. Retrieved 2008-05-19.
^Froese, Rainer; Pauly, Daniel (eds.) (2013). "Pterophyllum altum" in FishBase. April 2013 version.
Pterophyllumaltum, also referred to as the altum angelfish, deep angelfish, or Orinoco angelfish, occurs strictly in the Orinoco River Basin and the...
Schultze. Pterophyllum is derived from the Greek πτερον, pteron (fin/sail) and φυλλον, phyllon (leaf). In 1906, J. Pellegrin described P. altum. In 1963...
species of rainbowfish. In 1970, Bleher was the first to collect live Pterophyllumaltum from Venezuela. The tetra Hemigrammus bleheri Leporinus bleheri Bleheratherina...
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