step16
plug an Anim
node into the scene node
step17
click on the Anim node in the scene tree to
open the Anim bar. When the Anim bar is open, key frames will be captured
automatically when we pose the perch.
To pose the perch for the key frames we
will want a bird's eye or worm's eye view and be in wireframe
mode.

step18
To pose a bone for a key frame, click the
bone in the scene tree and drag the bone's orientation control point.
Do this
for bones 1 to 9 (I did not change bone0)

step19
To create the second key frame, drag
the slider to the middle of the time line (when .5 is displayed) and pose the
fish to the opposite phase.

step20
So that the last frame ends exactly
the same as the first, drag the slider back to the first frame and copy the
frame

step21
Drag the slider to the last frame and paste
in the frame.
To animate click the play button.
The animation can be
toggled to loop using the loop/play once button.
