Dolphin Plant (Senecio Peregrinus)Senecio peregrinus flying dolphins, dolphin necklace, dolphin plant is a beautiful, succulent plant up to 6 inches (15 cm) tall with leaves that look like tiny, little dolphins jumping out of the waves. As they grow, they are becoming more and more similar, perfecting themselves as an impressive potted plant. Flowers are small, white, and form tightly compacted puffballs.