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