Al Dente Minnow-Bat Anchovy.  Jerk style fly/flure.  Synthetic suede head and tail, Squimpish hair and dubbing body.  Designed to have a slow sink rate once the air is worked free and the material is fully saturated with water.
 
1/0 @ 3.5”
Recommend: 7 weight line Minimum. Sinking or floating