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