
1) Look round gym for a swimmer 2) Rockfish, by another name 
Found on 
https://www.crosswordclues.com/clue/seaperch

 The SeaPerch Remotely Operated Vehicle (ROV) educational program was inspired by the 1997 book, Build Your Own Underwater Robot and other Wet Projects, by Harry Bohm and Vickie Jensen. A SeaPerch is an educational tool and kit that allows elementary, middle, and high-school students to construct a simple, remotely operated underwater vehicle, or R...
Found on 
http://en.wikipedia.org/wiki/SeaPerch
  No exact match found.