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