A) 70-74°F (21-23°C) B) 76-80°F (24-27°C) C) 82-86°F (28-30°C) D) 88-92°F (31-33°C)
A) 6.0 - 7.0 B) 7.5 - 8.5 C) 8.5 - 9.0 D) 5.0 - 5.5
A) Soft, acidic water B) Brackish water C) Hard, alkaline water D) Tap water without treatment
A) No water changes needed B) 25-50% weekly C) 10% monthly D) 50% monthly
A) Velvet B) Fin Rot C) Hexamita (Hole-in-the-Head) D) Ich (White Spot Disease)
A) Beefheart mix B) Bread crumbs C) Goldfish flakes D) Vegetable pellets
A) 75 gallons B) 10 gallons C) 40 gallons D) 20 gallons
A) No filtration required B) Internal power filter only C) Sponge and Biological filtration D) Undergravel filtration
A) Weakens the immune system B) Makes them more aggressive C) Improves their color D) Makes them grow faster
A) To make them feel comfortable B) To save space C) To prevent disease outbreaks D) To encourage breeding
A) Coarse gravel B) Large rocks C) Crushed coral D) Bare bottom or fine sand
A) Pour them directly into the tank B) Drip acclimation C) Turn off the lights for 24 hours D) Float the bag for 5 minutes
A) Erratic swimming B) Lying on the bottom C) Clamped fins and hiding D) Bright colors and active swimming
A) Very bright lighting B) Low to moderate lighting C) UVB lighting D) No lighting needed
A) Too much light B) Stress or poor water quality C) Overfeeding D) Old age
A) Corydoras B) Tetras C) Aggressive or nippy fish D) Plecos
A) Build bubble nests B) Scatter eggs on the substrate C) Lay eggs on a vertical surface D) Livebearers
A) Adds oxygen to the water B) Hides the fish C) Provides a surface for Discus to lay eggs on D) Filters the water
A) Parents eat the eggs B) Parents care for the eggs and fry C) Parents ignore the eggs D) Parents only care for the eggs, not the fry
A) Secretion from the parents' skin B) Vegetable matter C) Brine shrimp D) Flake food
A) Raises pH and hardens water B) Adds nutrients to the water C) Lowers pH and softens water D) Kills bacteria
A) White, stringy feces B) Rapid breathing C) Bright red gills D) Bulging eyes
A) Ignore water changes B) Maintain excellent water quality C) Keep the temperature low D) Overmedicate the tank
A) Lowers oxygen levels B) Increases oxygen levels C) Decreases pH D) Increases pH
A) 10 adult Discus per 10 gallons B) 5 adult Discus per 10 gallons C) 1 adult Discus per 10 gallons D) 20 adult Discus per 10 gallons
A) Raises the pH B) Lowers the temperature C) Adds minerals to the water D) Removes harmful chemicals and minerals
A) Leave food in the tank all the time B) Feed one large meal a day C) Only feed once a week D) Feed small amounts multiple times a day
A) Saltwater mangroves B) Cattails and Reeds C) Amazon Swords and Anubias D) Duckweed and Water Hyacinth
A) Faster growth rate B) Increased susceptibility to peppering C) Enhanced color intensity D) Resistance to disease
A) Iridescent scales caused by genetics B) Red spots caused by bacteria C) Black spots caused by pigment cells D) White spots caused by a parasite |