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