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 ...
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, ...
Shirauo is a tiny fish with a translucent body that measures less than 10 centimeters and lives in brackish ... water quality. The Tokyo metropolitan government’s red data book on endangered ...