These are a bunch of Rahi I’ve made. Nothing complex, they are all fairly simple.
http://i.imgur.com/NHVmLjU.jpg
http://i.imgur.com/a8daCYA.jpg
The Trendren is an aquatic Rahi. It swims around on the ocean floor and eats whatever it can find.
http://i.imgur.com/lLv2rgc.jpg
View of the head.
http://i.imgur.com/rD8dJtt.jpg
View from underneath
http://i.imgur.com/820ld9T.jpg
All of the flexibility in the MoC.
http://i.imgur.com/PNsKjTc.jpg
How the head connects to the body.
http://i.imgur.com/YvWbhMZ.jpg
A little fish guy.
http://i.imgur.com/uAHpDTl.jpg
Run little fish, run!
http://i.imgur.com/xK2ZPm2.jpg
The Acsekt are a species of Rahi that are slightly small than Matoran. They have hard metal shells that store a green glowing acid in it. This acid is used to liquefy obstacles and food.
http://i.imgur.com/oy103ws.jpg
View of the inside of the shell.
http://i.imgur.com/XOxvevt.jpg
Side view
http://i.imgur.com/XNPWFtH.jpg
Back view
http://i.imgur.com/qapyAAq.jpg
All criticism is welcome!