1350-673 - The Tachinidae are a large and variable family of true flies within the insect order Diptera, with more than 8,200 known species and many more to be discovered. Most are protelean parasitoids, or occasionally parasites, of arthropods.
832-383748 - Feet of Red rock crab (Grapsus grapsus) cling to volcanic rock, family of marsh crabs (Grapsidae), island Floreana, Galapagos Islands, Ecuador, South America
1245-1340 - Marine iguana and Sally Lightfoot crab, Punta Suarez, Espanola (Hood) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
1245-1319 - Sally Lightfoot crab (Grapsus grapsus), Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
1245-1318 - Sally Lightfoot crab (Grapsus grapsus), Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
1245-1279 - Sally Lightfoot Crabs (Grapsus grapsus), Bachas Beach, Santa Cruz (Indefatigable) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
1116-39939 - An Imperial commensal shrimp (Periclimenes imperator), photographed at night on the Spanish dancer nudibranch (Hexabranchus sanguineus), that it calls home, Philippines
1116-39729 - Both a Crinoid Commensal Shrimp (Periclimenes cornutus) and a Crinoid Squat Lobster (Allogalathea elegans) on a crinoid. These tiny crustaceans are commensal on crinoids or feather stars and take their color from the host, Philippines
1116-39735 - The strings hanging off the dorsal fin of this Great White Shark (Carcharodon carcharias) are parasitic copepods. Photographed just breaking the surface off Guadalupe Island, Mexico
741-5584 - Sally Lightfoot Crab (Grapsus grapsus), Bachas beach, North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
764-5150 - Superb starling (Lamprotornis superbus) with an insect, Ngorongoro Conservation Area, UNESCO World Heritage Site, Serengeti, Tanzania, East Africa, Africa