Glasswinged Butterfly Transparent Juvenile Surgeonfish Juvenile Sharpear Enope Squid Tortoise Shell Beetle Translucent Pharaoh Ant ( Eating colored liquid ) Macropinna Microstoma European Eel See - Through Frog A Juvenile Octopus Transparent Butterfly Salpa Maggiore Transparent Immortal Jellyfish Transparent Fish Juvenile Cowfish Glass Frog Costa Rican Tadpoles Ghost Shrimp Deep Sea Anglerfish Transparent Flatfish Translucent Snail La Palma Glass Frog Fully Transparent Rain Forest Frog Hydromedusa Snail with Semi - Transparent Shell Ice Fish Sea Anemone Transparent Fish Sea Salps Clear Slug Transparent Squid Translucent Shrimp ( on a Cucumber )