The turbulent star-forming factory known as 30 Doradus is located near the Southern Hemisphere constellation, Dorado. The word "dorado" is the Spanish name for dolphin-fish or swordfish.
Space Telescope Science Institute, Graphics
Dorado drawing: From "Firmamentum Sobiescianum sive Uranographia," by Johannes Hevelius
NOTE: Alignment of Hevelius' drawing with stars in the Dorado constellation is approximate.