Dan over at Goblinoid Games is very close to getting Starships & Spacemen 2nd Edition fully funded. If you haven't gotten in on it, get to it!
Here's a race statted up for S&S 2, who are kind of fishy looking...
Encountered: 2d4 (3d6)
Movement: 120' (40')
Intelligence: Average or High
Psionic Potential: 3d4
Combat Skill/Save: P2
Damage: By weapon
Ichthyoids are an aquatic species that require either environment tanks or sealed suits to interact with non-aquatic species. They have a small interstellar trading empire and are well known for their bargaining skills. They also have an uncanny ability for sensing traps or ambushes.