A) 50-60°F (10-15°C) B) 85-95°F (29-35°C) C) 60-70°F (15-21°C) D) 72-82°F (22-28°C)
A) Omnivores B) Piscivores C) Herbivores D) Carnivores
A) Origin of species B) Food preference C) Color patterns D) Temperament and size compatibility
A) They are sensitive to poor water conditions B) They thrive in dirty water C) They are immune to all water quality issues D) It only affects their coloration
A) Weekly or bi-weekly B) Every 6 months C) Monthly D) Never
A) For decoration only B) Provides hiding places and tannins C) Increases water hardness D) Releases harmful chemicals
A) Hiding more than usual B) Increased activity C) Brighter coloration D) Eating more food
A) Smooth gravel or sand B) Sharp gravel C) Large rocks D) No substrate
A) To see if they eat the food B) To prevent the spread of disease C) To acclimate them to the tank temperature D) To train them
A) 5.0-6.0 B) 9.0-10.0 C) 8.0-9.0 D) 6.5-7.5
A) Sinking pellets B) Lettuce C) Grass D) Floating flakes
A) Pictus Catfish B) Plecostomus C) Upside-Down Catfish D) Corydoras
A) Sensory organs for finding food B) Breathing apparatus C) Swimming aids D) Defense mechanisms
A) It makes them grow faster B) It can lead to poor water quality C) It makes them more active D) It improves their coloration
A) UV lighting B) No lighting C) Bright, direct lighting D) Dim or subdued lighting
A) To filter the water B) To increase oxygen levels C) To heat the water D) To make bubbles
A) A small sponge filter B) A filter rated for a larger tank than you have C) No filter D) An undergravel filter
A) Check for signs of disease or parasites B) Ignore it, it's normal behavior C) Increase the water temperature D) Add more salt to the tank
A) Plecostomus B) Red Tail Catfish C) Corydoras D) Channel Catfish
A) 5 gallons or larger B) 10 gallons or larger C) 1 gallon or larger D) 20 gallons or larger
A) Being eaten by other fish B) Being too cold C) Starvation D) Inadequate oxygen
A) Remove the parents after spawning B) Lower the water temperature C) Add more hiding places D) Give the parents more food
A) To follow the sun B) To avoid predators C) Because they dislike the water D) Because they prefer bright light
A) The amount of waste produced by the fish B) The weight of the decorations C) The electricity consumed by the tank D) The number of plants in the tank
A) Synodontis B) Guppy C) Tetra D) Betta
A) Lack of aeration B) Too much light C) Overfeeding D) Sudden temperature changes
A) Lower water temperature B) Add more plants C) Increase water temperature slowly D) Stop feeding the fish
A) They increase the tank's bio-load B) They help improve water quality C) They make the water cloudy D) They compete with the fish for oxygen
A) Introducing fish B) Adding decorations C) Changing the water D) Establishing beneficial bacteria
A) Removes impurities from the water B) Promotes algae growth C) Increases water hardness D) Adds oxygen to the water |