Jörn-Morten Riedell, Head of Tropical Aquarium, cleans the glass during a s...

Jörn-Morten Riedell, Head of Tropical Aquarium, cleans the glass during a s...

Jörn-Morten Riedell, Head of Tropical Aquarium, cleans the glass during a s...

Jörn-Morten Riedell (r), Head of Tropical Aquarium, and Marius Jakusch, aqu...

Jörn-Morten Riedell, Head of Tropical Aquarium, cleans the glass during a s...

Jörn-Morten Riedell, Head of Tropical Aquarium, cleans the glass during a s...

Colorado toad is seen during a population control in the tropical aquarium ...

Seahorses are seen during a stock check in the tropical aquarium at Hagenbe...

Colorado toad is seen during a population control in the tropical aquarium ...

A seahorse is measured during a stock check in the tropical aquarium at Hag...

N. Baumann, animal keeper, and Florian Ploetz, Head of Terraristics, measur...

Jörn-Morten Riedell, Head of Tropical Aquarium, cleans the glass during a s...