How to Grow Fish / Temperature vs Metabolism vs Food intake
Like 2 Dislike 0 Published on 8 Jan 2018
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Fish Breeding season, colder water stimulates breeding; Simulating the Rainy Season:
Many fish species spawn during the rainy season in nature. By simulating the rainy season in aquaria, difficult-to-spawn species can be induced to spawn. Rains affect the water chemistry, the water height, and the water temperature.
In order to simulate rainy conditions, the tank level should be reduced to half its normal height. Each day add 5% of the tank volume. The water added should be very soft and slightly cooler than the tank temperature. To simulate the rain, use a drip system or spray bar for several hours a day and simulate storms by flashing light in a dark room. Thunder can be created by playing a recording of a storm, a recording of music with bass, or a recording of rattling thin metal cake pans.
The process can be repeated until the fish show signs of spawning preparation. In addition to the "storms," the fish should be fed heavily with mosquito larvae, shrimp, and flying insects.
This process will stimulate some hard-to-spawn species, but not all. Many species will respond to just one altered water condition, such as a series of water changes with soft water replacement, or a decrease in the water temperature.
Low Temperature for fry: https://www.sciencedirect.com/science/article/pii/S0044848617312073
High temperature:
https://www.discus.com/learning-center/health/first-steps-when-you-suspect-illnesses-or-other-problems.html