A) 50-55 ppt B) 40-45 ppt C) 30-35 ppt D) 10-15 ppt
A) Gravel B) Algae C) Crabs D) Lettuce
A) Partially open lid B) Open top C) A small gap in the lid D) A tight-fitting lid
A) No enrichment B) Bare bottom C) PVC pipes D) Empty tank
A) Iodine B) Calcium C) Ammonia D) Magnesium
A) 1-2 years B) 20-30 years C) 50+ years D) 5-10 years
A) It promotes better water quality B) They will breed easily C) They enjoy company D) They are territorial and may fight
A) Biological and mechanical B) No filtration needed C) Only mechanical D) Only chemical
A) It benefits octopuses B) It is toxic to invertebrates C) It has no effect D) It improves water clarity
A) Loud noises B) Constant interaction C) Quiet observation D) Tapping on the glass
A) Refusing food B) Staying hidden constantly C) Lethargic and pale D) Active and alert
A) They breed readily in tanks B) Complex needs are difficult to meet C) They benefit from small enclosures D) They are easy to care for
A) Sand B) No substrate C) Gravel D) Marbles
A) 80-95°F (27-35°C) B) 100-110°F (38-43°C) C) 30-45°F (-1-7°C) D) 60-75°F (15-24°C)
A) Particles per test B) Pints per ton C) Parts per thousand D) Parts per trillion
A) Soak in soapy water B) Bake at high temperature C) Bleach solution dip, followed by thorough rinsing D) No disinfection needed
A) To help them adjust to the new environment quickly B) To avoid social interaction C) To prevent the spread of disease D) Quarantine is not necessary
A) Active hunting B) Constant inking C) Bright coloration D) Regular eating
A) Bare hands B) Dish soap C) Turkey baster D) Sponge
A) Simple digestive system B) Easy to feed C) Lack of intelligence D) High intelligence
A) Prefers different food B) Just finished molting C) Stress or illness D) Always full
A) Ignore it and hope it gets better B) Consult with a veterinarian experienced with marine invertebrates C) Change all the water immediately D) Add more food
A) Very bright lighting B) Ultraviolet lighting C) Low-intensity lighting D) No lighting
A) 100% monthly B) 50% daily C) No water changes needed D) 10-20% weekly
A) Decoration only B) Biological filtration C) Temperature regulation D) Food source
A) It will make the water clearer B) It will promote algae growth C) It has no effect D) It can inhibit biological filtration
A) Minimize handling and avoid stressing the animal. B) Play with the octopus in open air. C) Use rough movements and loud noises. D) Handle frequently for bonding.
A) No research is needed B) Only research on where to buy one C) Research the specific species' needs D) Only general research on all octopuses
A) To heat the water B) To clean the tank C) To increase water circulation D) To provide light
A) Leave the tank empty B) Rotate enrichment items regularly C) Overfeed the octopus D) Never change the tank setup |