If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
The main goal of Squid Fishing is to collect all squids before the time runs out. Move boat and bear with left and right arrow keys. Press down and up arrow to pick up a squid. When fishing, catch the shining squid first.
Arrow keys left/right - To move bear.
Arrow keys down / up - To fishing/pick up.