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