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