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