Sea Butterfly Collection

Sea butterfly, Cavolinia tridentata (Tridentated hyale, Hyale tridentata)
FLO4681321 Sea butterfly, Cavolinia tridentata (Tridentated hyale, Hyale tridentata). Illustration drawn and engraved by Richard Polydore Nodder

Shelled Pteropod / Sea butterfly {Diacria trispinosa} with egg string attached, from between 188 and 507m, Mid-Atlantic Ridge, North Atlantic Ocean

Sea Butterfly floating in water column - Blackwater night dive, Seraya, Karangasem, Bali, Indonesia, Indian Ocean Sea Butterfly floating in water column - Blackwater night dive, Seraya, Karangasem

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Sea Butterfly swimming in water column - Blackwater night dive, Seraya, Karangasem, Bali, Indonesia, Indian Ocean Sea Butterfly swimming in water column - Blackwater night dive, Seraya, Karangasem

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Sea Butterfly floating in water column - Blackwater night dive, Seraya, Karangasem, Bali, Indonesia, Indian Ocean Date: 14-Aug-20

Orders of Molluscs
6338799 Orders of Molluscs by French School, (19th century); (add.info.: Orders of Molluscs. Cuttlefish, chambered nautilus, sea angel, sea butterfly, slug, floating sea snail, chiton, oyster)

Sea butterflies (Limacina helicina). Sea butterflies are swimming predatory marine sea snails. They have two wing-like outgrowths (parapodia) derived from their foot

Sea butterfly (Limacina helicina). Sea butterflies are swimming predatory marine sea snails. They have two wing-like outgrowths (parapodia, left and right) derived from their foot

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"Graceful and delicate, the shelled pteropod known as the sea butterfly (Diacria trispinosa) glides through the water column with its ethereal beauty. This captivating creature can be found in the Indian Ocean, specifically off the coast of Bali, Indonesia. During a mesmerizing blackwater night dive in Seraya, Karangasem, one might encounter these enchanting sea butterflies floating effortlessly. With their translucent bodies and intricate patterns, sea butterflies are a sight to behold. They possess an otherworldly elegance that is enhanced by their unique appendages resembling wings. These fascinating creatures navigate through the depths using rhythmic movements reminiscent of underwater ballet. One remarkable feature of these sea butterflies is their ability to lay eggs while on the move. Attached to them is an egg string that dangles gracefully behind as they glide through their watery habitat. It serves as a testament to nature's ingenuity and adaptability. Belonging to the diverse group of mollusks known as pteropods or "winged feet, " sea butterflies play an essential role in marine ecosystems. As part of planktonic communities, they serve as both predator and prey for various species within this intricate web of life. The presence of multiple sea butterflies during dives showcases their abundance in these waters—a true testament to Bali's rich biodiversity. Observing them up close allows us to appreciate nature's artistry and reminds us of our responsibility to protect these fragile habitats for future generations. So next time you find yourself exploring Bali's underwater wonders or learning about orders of mollusks, keep your eyes peeled for these graceful creatures—the beautiful sea butterfly.