A) 5.0 - 5.5 B) 7.5 - 8.0 C) 8.0 - 8.5 D) 6.5 - 7.0
A) 5 gallons B) 40 gallons C) 20 gallons D) 10 gallons
A) 65-70°F (18-21°C) B) 85-90°F (29-32°C) C) 70-75°F (21-24°C) D) 78-84°F (25-29°C)
A) Live brine shrimp B) Flake food C) Frozen bloodworms D) Freeze-dried Tubifex worms (only)
A) Floating plants only B) Small, carpeting plants C) Tall, broad-leaved plants D) No plants at all
A) Every other month B) Weekly or bi-weekly C) Monthly D) Only when the water looks dirty
A) Clamped fins B) Vibrant colors C) Active swimming D) Aggressive behavior toward other fish
A) Fin rot in saltwater fish B) Canine distemper C) Feline leukemia D) Ich (white spot disease)
A) Quarantine them first B) Flush the old tank out C) Keep them in a bag for 24 hours D) Release them directly into the tank
A) Sudden drop in temperature B) Good water quality and temperature C) Overcrowding D) Introduction of new fish
A) The glass of the tank near the substrate B) The substrate C) The filter D) Flat surfaces like slate or plant leaves
A) 1 day B) 5-7 days C) 2 weeks D) 2-3 days
A) Newly hatched brine shrimp B) Bloodworms C) Vegetable matter D) Flake food
A) Every other day B) Several times a day C) Once a day D) Once a week
A) To prevent fry from being sucked in B) To heat the water C) To provide strong currents D) To remove all bacteria
A) Excessive aggression B) Lack of appetite C) Uneven growth D) Too rapid growth
A) Keep only one angelfish B) Provide plenty of hiding places C) Use strong water currents D) Overcrowd the tank
A) Provides oxygen B) Provides a suitable spawning surface C) Keeps the tank clean D) Helps filter the water
A) Training them to do tricks B) Treating them for diseases C) Acclimating them to a new tank D) Preparing them for breeding with a rich diet
A) Very hard B) Extremely hard C) Very soft D) Soft to moderately hard
A) Keep the tank dark B) Maintain good water quality C) Overfeed them D) Never change the water
A) No, they can be aggressive towards small fish B) Yes, but only with other angelfish C) Yes, they are peaceful with everyone D) Yes, as long as the tank is large enough
A) Very bright lighting B) No lighting C) UV lighting D) Moderate lighting
A) Losing color B) Fighting with each other C) Hiding in the corner D) Cleaning a flat surface
A) To increase oxygen levels B) To heat the water C) To create strong currents D) To filter the water
A) Females have longer fins. B) Males are larger than females. C) It is difficult to determine externally. D) Males have brighter colors.
A) Too much food B) Too much light C) Too much oxygen D) Fungus
A) To feed the fry B) To soften the water C) To provide oxygen D) To prevent fungal growth
A) Body size of less than 1 inch B) Body size of 1-2 inches C) Body size of 3-4 inches D) Body size of 5 inches and up
A) It enhances their coloration and breeding. B) It makes them grow faster than normal. C) It is not important. D) It reduces their lifespan. |