Salps are sometimes called “the ocean’s vacuum cleaners.” The soft, barrel-shaped, transparent animals take in water at one end, filter out tiny plants and animals to eat with internal nets made of mucus, and squirt…
The boat loaded, we push off from shore. We are headed out for a nighttime blue-water scuba dive in search of salps off the Pacific coast of Panama. Salps are transparent, barrel-shaped organisms, ranging in…