They are heaven-blessed beauties who rule the seas, the eternal nightmares of the deep blue ocean. They can take out targets thousands of meters away. They are nearly immortal, unless you put them out of their misery. Human firearms are useless against them, and their only enemies are each other.
If you want to be their admiral, you have to be stronger than they are. If you want to come aboard in any sense of the word, be prepared to end up crippled.
In short: don't chicken out. Take them head-on!
This novel and its characters are purely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.