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