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