Non-predatory fish in the ocean?
Are they there?
How long could you survive outside in the water at around 5°C before you die of hypothermia or no longer have the strength to stay on the water? For example a lake or a river.
Does anyone know and can tell me what these white threads are that are growing on the plant?
The tap water itself isn't drinkable. Now I'm wondering if I boil the water first—should it be drinkable? What do you think? Best regards
Do fish eggs need light to hatch?
I recently made cocktails and bought ice cubes at REWE. When I took the ice cubes out of the bag, they practically stuck to my hand. They stuck so tightly that I could simply tap one of the ice cubes with my finger and lift it up. I wonder why this is happening. Anyone have…
https://www.simfisch.de/tag/salzwasser-friedfische/
ja, gibt es