He studied zoology in Innsbruck and Hamburg, where he received his doctorate in 1934. In the same year, his book
Tropische Fische was published in the field of aquaristics, as well as numerous articles in relevant specialist journals. His main activity was as a scientific ichthyologist at the Hamburg Zoological Museum. Ladiges managed to make a name for himself with his influential specialist book
Der Fisch in der Landschaft. He is also known to aquarists for the
Celebes rainbowfish (
Telmatherina ladigesi, now
Marosatherina ladigesi), which he discovered in 1935 and which was named after him, and for the
peaceful betta Betta imbellis, which he described in 1975. For several years, Ladiges was editor of the popular aquaristic magazine
TI – Tatsachen und Informationen aus der Aquaristik, which was published by the accessories manufacturer
Tetra in
Melle, Germany. Werner Ladiges was buried in
Ohlsdorf Cemetery, his resting place is in grid square AB 44 between Chapel 9 and the Prökelmoor. == Works ==