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