A) Polyodon spathula B) Acipenser gueldenstaedtii C) Huso huso D) Scaphirhynchus platorynchus
A) Lake Baikal B) Caspian Sea C) Amazon River D) Great Barrier Reef
A) Seaweed B) Shellfish C) Sushi D) Caviar
A) 41 B) 15 C) 27 D) 33
A) Predation B) Overfishing C) Climate change D) Habitat loss
A) Salt B) Sugar C) Vinegar D) Alcohol
A) Due to pollution in water bodies B) Due to predation by other species C) Due to loss of natural habitat D) Due to overfishing for caviar
A) Beluga sturgeon B) Arapaima C) Mekong giant catfish D) Giant freshwater stingray |