What date did the rusty crayfish arrive to Ontario?

Where does a flower horn fish live? How do you get bettas to know each other? What time does a fisherman get up? Do Hammerhead Sharks feed on Manta Rays? What is the soft roe of Male fishes called? How do you repair an aquarium? What eat bass fish? What does the eel do that indicates it is an ambush predator? What can you wear with these yellow high heels? Do moose eat algae? How much does mike trout make? Which effect does a decrease in sunlight have on a pond? Smack dab what does it mean? What is a common name for a bluegill? What do vampire piranha eat? How do you find starfish in rock pools? Has the torrent fish species increased or decreased in the last 5 years? Are Piranhas found in India? The nearest place to get reverse osmosis RO water for my marine aquarium is 1 hours drive away you cant do that every week are there any alternatives? Is a dragonfy and mayfly a secondary consumer?