Which is the biggest threat to the axolotl population? A. Large fish (carp and tilapia) B. Birds (storks and herons) C. Overcollecting them for food/research D. urbanization and pollution
Populations are in decline as the demands of nearby Mexico City have led to the draining and contamination of much of the waters of the Xochimilco Lake complex
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15
How many times can an axolotl can regrow a new limb perfectly? A. 1 B. 3 C 5 D.12
Scientists have found that axolotls can regrow a new limb five times perfectly, in a few weeksโwithout even a scar.
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15
True or False: Axolotls smile to show they are happy
False. It is common after they swallow their food for their mouth to be open in what looks like a smile for a few seconds, but it's not a sign of joy.
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15
Most axolotls are what color? A. Blue B. Brown C.yellow D white
While you might see plenty of white ones in captivity, the animal is normally greenish brown or black. White ones descend from a mutant male in Paris France
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15
Axolotls are a type of a. Eel B. Fish C. Frog D. Salamander
The axolotl is part of the group of mole salamandersโwhich includes its closest relative, the tiger salamander
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15
What are these for? A. tentacles sensing water movement B. gills for breathing underwater C. fins for swimming faster D.horns for protection.
The axolotl remains aquatic (like larvae) their entire life. Though it develops functional lungs, it uses its fancy, feathery gills to breathe underwater
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15
True or False: Roasted axolotl is considered a rare and delicious treat in Mexico
True: Axolotls were commonly killed for food by the Aztecs. Before the axolotl was an endangered species, roasted axolotl was considered a delicacy.
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15
True or False: The axolotl genome is larger than the human genome.
True. With 32 billion base pairs, the axolotl genome, first sequenced in 2018, is ten times longer than than the human genome.
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15
Which is older, you or the oldest axolotl ever?
You tell me. Axolotls are long-lived, surviving up to 15 years
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15
Axolots eat all but which of these? A. algae B. fish C. insects D. worms
Despite their infantile charm and undeveloped teeth, axolotls are effective predators, inhaling worms, mollusks, crustaceans, insect larvae, and even small fish
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15
Name two ways to help conserve the axolotl population
In an attempt to revive the species, researchers have built โsheltersโ made from reeds and rocks to filter the water and create a more desirable living space
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15
True or False: Axolotls can change color.
Axolotls are dark-colored and can shift their hue a few shades lighter or darker as needed for camouflage!
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20
Where are wild axolotls found exclusively in the world?
Wild axolotls live exclusively in the swampy remnants of Lake Xochimilco and the canals leading to it on the southern edge of Mexico City.