Squilla

Description
Squilla is the only crustacean that can be found in the whole game of Reel Fishing II. Squilla can be found in the Second and Third Point of the Variety Ocean Fishing level. It is very easy to catch, since it seems to stays quiet and doesn't try to freeing itself at all. However, it's pretty rare to caught.

Fishing Set
Squilla can and be caught when lured with a marine worm or a shrimp with any rod and reel. Any Line, Leader, and Hook works fine, as it's impossible for the Squilla to snap your line nor unhook itself.

Fishing Season
The best months for catching the Squilla, according the Fishing Notebook is January to December, which means you can caught it any time. It's still very rare, though.

Setting Hook and Fighting
The best time to snag the hook is when Squilla shakes itself twice. However, that isn't necessarily, as the Squilla will just sits peacefully and lets you reeling it without fight at all.

Trivia

 * Squilla, alongside the Goby, is the easiest fish to catch. Because both of them will stays quiet after hooked and doesn't fight at all.
 * The info about the Squilla in the real life can be found here