Space Sharks

Space sharks are giant mechanical sharks that surround Ice Planet.

Role in Astro-Knights Island
The 3 space sharks guard Ice Planet,not letting you near it.Even if you get past them,it will not be safe enough to land on the planet.However Sir Gawain  somehow managed to land on Ice Planet without defeating them.According to the spaceship databank,the sharks are practically indestructable.

Weaknesses
It appears that the space sharks' only weakness is a Black Hole.