BREEDING: Longfin smelt spawn in estuaries in fresh or slightly brackish water over sandy or gravel substrates ... water diversions that reduce freshwater inflow; loss of fish at agricultural, urban, ...
You've probably seen pufferfish on TV or at your local aquarium, puffing up like a balloon when they're startled. But there's way more to pufferfish than their signature defense mechanism. They're a ...