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