Podcast
Questions and Answers
Which country is the largest supplier of tropical freshwater fish in the ornamental fish trade?
Which country is the largest supplier of tropical freshwater fish in the ornamental fish trade?
- China
- Singapore (correct)
- Japan
- Brazil
What is the main source of coldwater fish like Koi carp?
What is the main source of coldwater fish like Koi carp?
- UK
- Japan (correct)
- Indonesia
- Singapore
Which two countries are the main sources of tropical marine fish in the ornamental fish trade?
Which two countries are the main sources of tropical marine fish in the ornamental fish trade?
- US and UK
- Indonesia and the Philippines (correct)
- China and Singapore
- Brazil and Japan
Which type of fish is stenothermic and prefers temperatures between 82-88°F?
Which type of fish is stenothermic and prefers temperatures between 82-88°F?
What is the recommended wattage of UV-light per litre of water in a tropical fish tank?
What is the recommended wattage of UV-light per litre of water in a tropical fish tank?
How long does it typically take for denitrifying bacteria to colonize biological filters in a new tank set-up?
How long does it typically take for denitrifying bacteria to colonize biological filters in a new tank set-up?
During the process of breeding Koi carp, when are the females injected for the second time?
During the process of breeding Koi carp, when are the females injected for the second time?
What is added to the eggs and milt to reduce the stickiness of the eggs?
What is added to the eggs and milt to reduce the stickiness of the eggs?
In marine tanks, what is the recommended stocking level in relation to the volume of water?
In marine tanks, what is the recommended stocking level in relation to the volume of water?
Which of the following is the best method to measure water hardness?
Which of the following is the best method to measure water hardness?
Which of the following is NOT a standard water quality test to be assessed?
Which of the following is NOT a standard water quality test to be assessed?
Which of the following pH levels is suitable for marine fish?
Which of the following pH levels is suitable for marine fish?
Which type of filter is prone to disruption by bottom feeding fish and can be inefficient in large tanks?
Which type of filter is prone to disruption by bottom feeding fish and can be inefficient in large tanks?
Which type of filter is ideal for larger tanks but can be expensive in terms of start-up costs and maintenance?
Which type of filter is ideal for larger tanks but can be expensive in terms of start-up costs and maintenance?
Which type of filter is used to suspend particles of sand in a column of water, increasing the surface area available for denitrifying bacteria to attach to?
Which type of filter is used to suspend particles of sand in a column of water, increasing the surface area available for denitrifying bacteria to attach to?
Which of the following factors can cause a decrease in oxygen carrying capacity of water?
Which of the following factors can cause a decrease in oxygen carrying capacity of water?
At what level of oxygen concentration does anoxia occur?
At what level of oxygen concentration does anoxia occur?
What problem may occur in fish if there is too much oxygen in the water?
What problem may occur in fish if there is too much oxygen in the water?
Which of the following is NOT a factor that can reduce oxygen levels in water?
Which of the following is NOT a factor that can reduce oxygen levels in water?
What is the minimum level of oxygen concentration required for healthy fish?
What is the minimum level of oxygen concentration required for healthy fish?
