A) Freshwater B) 1.030-1.040 specific gravity C) 1.020-1.026 specific gravity D) 0.990-1.000 specific gravity
A) Equal to the height of the smallest crab B) Does not matter, they don't burrow C) At least twice the height of the largest crab D) One inch
A) 90-100% B) 20-30% C) 70-80% D) 50-60%
A) 70-80°F B) 60-70°F C) 80-90°F D) 50-60°F
A) Dechlorinator that removes chlorine B) Dechlorinator that removes chloramine C) Human-grade dechlorinator D) Dechlorinator specifically made for aquariums
A) Phosphorus B) Calcium C) Potassium D) Magnesium
A) Only shells that are the exact same size as their current shell. B) No shells, they grow their own. C) Only shells that are smaller than their current shell. D) A variety of sizes and shapes, larger than their current shell.
A) Clean weekly B) Clean monthly C) Never, it is a self-sustaining ecosystem. D) Spot clean daily, deep clean every few months.
A) Constant digging B) Vibrant coloration C) Lethargy and lack of appetite D) Excessive shell changing
A) Only dechlorinated freshwater B) Distilled water C) Tap water D) Dechlorinated saltwater and dechlorinated freshwater
A) Lettuce B) Cucumbers C) Carrots D) Dried shrimp
A) Excessive digging B) Difficulty molting C) Shell aggression D) Increased appetite
A) Leave it undisturbed. B) Dig it up to check on it. C) Move it to a separate container. D) Sprinkle extra calcium on the substrate.
A) Processed foods with preservatives B) Nuts C) Fruits D) Vegetables
A) No lighting is needed B) Indirect natural light or low-level artificial light. C) Direct sunlight D) High-intensity UV lighting
A) It's not important as long as they have one shell each. B) To make the tank look more aesthetically pleasing. C) To prevent shell fighting and ensure they have appropriate sizes. D) To give them something to do.
A) To grip the inside of their shell. B) To help them swim. C) To sense vibrations. D) To defend themselves.
A) Spiracles B) Lungs C) Skin D) Gills
A) Misting the tank regularly B) Removing the water dishes C) Decreasing the substrate depth D) Adding a fan to the tank
A) The crabs will eat it later. B) To ensure the crabs don't overeat. C) To save money on food. D) To prevent bacterial growth and foul odors.
A) Eat excessively B) Become lethargic and bury themselves C) Change shells frequently D) Become more active and social
A) Unsweetened shredded coconut B) Chocolate C) Cat food D) Dog food
A) Isolate new or sick crabs B) Growing plants for the crabs C) Breeding tank D) Main display tank
A) It becomes more active B) Its exoskeleton becomes soft and pliable. C) It starts eating more D) Its colors become dull
A) One crab persistently bothering or attempting to evict another crab. B) Crabs sleeping near each other C) Crabs burying themselves D) Crabs eating from the same food bowl
A) Pine or cedar shavings B) Play sand C) Coconut fiber D) Eco earth
A) Providing too much water B) Not providing enough shell options C) Cleaning the tank too often D) Providing too much food
A) Throw it away immediately. B) Use it as decoration. C) Leave it in the tank for the crabs to eat and regain nutrients. D) Feed it to other pets.
A) Mist heavily once a day. B) Add a drainage layer to the bottom of the tank C) Never mist, rely only on water dishes. D) Mist lightly and frequently, avoiding direct saturation of the substrate.
A) Hiding constantly B) Dragging its shell C) Active and responsive to its environment D) Sitting still for extended periods |