Animated Single Motion GIF Effect

A single modular 2.5D top-down oblique game sprite of a translucent aquatic cell body swimming forward, slightly elongated horizontally, centered on a 128x128 transparent canvas. Soft cyan semi-transparent membrane stretched into a subtle oval swimming shape, gentle forward motion blur hint, jelly-like volume, simple internal glow, minimal internal texture, no large nucleus, pivot centered at pixel 64,64. Transparent background. No scenery, no text, no watermark, no logo.