3D Printed Shark for Electronics or 3 model for self printing

I need a medium-sized (10-20 cm) 3D printed shark designed to house various electronics.

Requirements:
- Must be water-resistant.
- Electronics must be protected by a snap enclosure or screws
- Should have specific compartments for each component:
- Sensors
- Batteries
- Breadboard
- Two water probes

Preferable end-product is a stl or gcode file for printing on a 256mmX256mmX 256mm print bed.

Ideal skills and experience:
- Proficiency in 3D modeling and printing
- Experience with waterproof designs
- Knowledge of electronics and compartmentalization

Looking forward to your creative solutions!