pale is dead. He died on January 19, 2020 and was one of the insatiable fish that often entered the tube loaded with mosquito larvae. I was sad and felt guilty. He was probably overeating and I suspected that the colorless zebrafish mutants were more susceptible than the wild forms. In order to show him … Continue reading
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insatiable?
1. December 2019, 03:11 pm I installed a new and longer tube to train the fish to swim through. The tube could be loaded with mosquito larvae from above. It turned out that not all fish got into the tube, while others did so more often and with less hesitation. Spirit of adventure or just … Continue reading
laboratory journal
At 26.11.19 I started a sort of laboratory journal to note observations and experiments. experiment: I filled some frozen mosquito larvae in a glass bulb and lowered it upright into the fish tank. The experiments with mosquito larvae and glass flasks were repeated until December 1, 2019. No fish entered the upright flask on the … Continue reading
meaning
I wanted to train the fish to swim through a tube and started with a short piece 60 mm long, 35 mm in diameter. They showed no particular interest. Only when I charged it with mosquito larvae they passed through. Each animal faces a small number of objects within its living environment with which it … Continue reading
tracing exercise
03.06.19 tracking a fish 3 min Since animals continually evaluate their constantly changing environments and re-adjust their priorities accordingly through real-time actions, their natural movement trajectories are complex and stochastic rather than deterministic [ . . . ]. Deakin AG, Spencer JW, Cossins AR, Young IS, Sneddon LU. Welfare Challenges Influence the Complexity of Movement: … Continue reading
5 fish
Vienna_18.01.19 I pur-chased 5 fish on a Friday, 18.01.19. Earlier I have furnished a 54 l fish tank* with gravels and aquatic plants. Two weeks later the fish moved in. *an all-in-all aquarium with filter system, heating and illumination. The heating broke quickly. I had to get a new one.
orbiting
screenshot [model organism_20.05.20_03:25 pm] Every now and then I hang around in a pet shop in the 11th district in Vienna, look at the animals there and occasionally have enriching conversations with the owner about God and the world. I don’t go there regularly, sometimes more frequently, sometimes less. The last few times I’ve always … Continue reading