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