Robotic Water Creature

1. Aquatic motion?

1.1. Anguilliform (eel)

1.2. Subcarangiform

1.3. Carangiform

1.4. Thunniform

2. Will it be controlled?

2.1. Radio control

2.2. Pre programmed path

2.3. Sensors

3. Depth control?

3.1. Compressed air and balloon

3.2. Fins