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