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