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