A) Round and spherical B) Elongated and somewhat compressed laterally C) Square and boxy D) Flat and pancake-like
A) Cyprinidae B) Cichlidae C) Poeciliidae D) Characidae
A) Brackish and freshwater B) Arctic waters C) Exclusively freshwater D) Exclusively saltwater
A) Bifurcated tail fin B) Lyretail tail fin C) Round tail fin D) Sailfin dorsal fin
A) Differences in behavior between different populations B) Differences in coloration between different species C) Differences in size between juveniles and adults D) Differences in appearance between males and females
A) Males have a gonopodium B) Males are always more colorful C) Females are always larger D) Females have a more pointed dorsal fin
A) A defensive spine B) A modified anal fin used for reproduction C) A specialized sensory organ D) A type of gill covering
A) The female gives birth to live young B) The fish is always peaceful C) The fish requires live food D) The fish lays eggs
A) Black, silver, orange, white B) Purple, green, blue, red C) Gold, bronze, indigo, violet D) Pink, brown, grey, turquoise
A) Betta splendens B) Danio rerio C) Carassius auratus D) Poecilia latipinna or Poecilia sphenops
A) Poecilia sphenops B) Poecilia velifera C) Poecilia latipinna D) Poecilia reticulata
A) Spiked scales B) Bright coloration C) Large dorsal fin D) Elongated caudal fin
A) Poecilia reticulata B) Poecilia latipinna C) Poecilia sphenops D) Poecilia formosa
A) Exceptionally large dorsal fin B) Bright red coloration C) Small size D) Tolerance to very cold water
A) Dalmatian Molly B) Balloon Molly C) Gold Dust Molly D) All of the above are hybrid.
A) The rounded body shape B) The way they swim C) The large dorsal fin D) The color pattern
A) Insects only B) Algae and plant matter C) Gravel D) Exclusively meat-based foods
A) 32-40°F (0-4°C) B) 85-95°F (29-35°C) C) 60-70°F (15-21°C) D) 72-82°F (22-28°C)
A) Ammonia and Nitrite B) Oxygen Level C) Water Hardness D) Salinity
A) It's a sign it wants food B) It's a normal swimming pattern C) It's a sign of stress or illness D) It's a mating behavior
A) It lowers the pH B) It can help prevent diseases and improve osmoregulation C) It makes the water clearer D) It promotes algae growth
A) Around 28-35 days B) Around 7 days C) Around 180 days D) Around 60 days
A) 10-15 years B) 3-5 years C) 1-2 years D) 6 months
A) Adult Fish B) A type of food C) Baby Fish D) Fish disease
A) Keep them in direct sunlight B) Separate them from the adults C) Expose them to high water flow D) Overfeed them
A) Cactus B) Rose Bush C) Poison Ivy D) Java Moss
A) Aggressive Cichlids B) Neon Tetras C) Guppies D) Corydoras Catfish
A) The gill covering B) The top fin C) The bottom fin D) The tail fin
A) It may be stressed or ill B) It's preparing to lay eggs C) It's playing hide-and-seek D) It's sleeping
A) It increases the water's hardness B) It adds excessive tannins that can cloud water C) It provides hiding places and can lower pH slightly. D) It makes the water brighter |