What is euryhalin?

Name of Soft finned marine food fish of northern seas with long body and fragile silvery scales? Is the respiratory rate higher in fish or cows? What does a megalodon shark sound like? Is there any fish that give birth? Where do you find the fish bone in mysims? What is the difference between black smoker and hydrothermal vents? Why do shark have sharp teeth? What is the difference between humans and sharks? How many sea horses live in the coral reefs? In Revelation during the Great White Throne Judgment will all the dead be judged according to their works or only those who are not Christians? What does an anchor lion and m mean on silver? What eats a lake trout? What cnidarians live in fresh water? What is the highest temperature for tropical fish? What is pink rainbow called? How many great white shark attacks have there been in 2008? What if your aquarium is not level? Is a small toothed whale a tertiary consumer? Will bleach remove algae from an RV fresh water tank? Are water lilies consumers producer or decomposer?