Tony Wu / Eden's whale (Balaenoptera edeni edeni) named Mae Gunya and her calf Jao Khamsamut feeding on anchovies in the shallow waters of the upper Gulf of Thailand. Around them are whiskered terns (Chlidonias hybrida) flying in to grab fish brought up by the whales, Thailand. Pacific Ocean.

SINCLAIR STAMMERS / Photomicrograph of fully embryonated (Neoascaris / Toxocara vitulorum) eggs containin larvae immediately prior to hatching. Parasitic nematodes which normally infect cattle, collected from Egyptian ca...

Chris Newbert / Black-rayed Shrimpgoby (Stonogobiops nematodes) with Shrimp guarding burrow, 80 feet deep, Papua New Guinea

SINCLAIR STAMMERS / Adult round worms {Toxocara canis} parasitic nematodes, Magnified X 5

Juan Manuel Borrero / Illustration of Pinworms / Threadworms (Enterobius vermicularis) and eggs. Pencil and watercolor painting.

Juan Manuel Borrero / Illustration of nematode (Rhabditis sp) anatomy. Pencil and watercolor painting.

Philippe Clement / Horse / Equine roundworms (Parascaris equorum) in horse dung, France

Philippe Clement / Horse / Equine roundworms (Parascaris equorum) in horse dung, France

Daniel Heuclin / Removing Guinea worm (Dracunculus medinensis) from foot of african - parasitic nematode that causes guinea worm disease in people, Benin.

Daniel Heuclin / Removing Guinea worm (Dracunculus medinensis) from foot - parasitic nematode that causes guinea worm disease in people, Benin.

Daniel Heuclin / Removing Guinea worm (Dracunculus medinensis) from foot of african - parasitic nematode that causes guinea worm disease in people, Benin.

James Christensen / Bald-legged Spider (Paratropis sp) with concealing cloak of dirt and algae in which tiny nematodes live, Mindo, Ecuador

SINCLAIR STAMMERS / Photomicrograph of fully embryonated (Neoascaris / Toxocara vitulorum) eggs containing larvae immediately prior to hatching. Parasitic nematodes which normally infect cattle, these eggs were collected...

SINCLAIR STAMMERS / Nematode (Nippostrongylus brasiliensis) a gastrointestinal parasite of rats

SINCLAIR STAMMERS / Photomicrograph of (Neoascaris / Toxocara vitulorum) eggs with developing larvae just before hatching. Parasitic nematodes which normally infect cattle, collected from Egyptian camels

SINCLAIR STAMMERS / Photomicrograph of fully embryonated (Neoascaris / Toxocara vitulorum) eggs containing larvae immediately prior to hatching. Parasitic nematodes which normally infect cattle, collected from Egyptian c...

Fred Bavendam / Black-rayed Shrimpgoby (Stonogobiops nematodes) pair sharing a burrow with a Randall's Shrimp (Alpheus randalli), Bali, Indonesia

Dave Bevan / Nematode worm {Nematoda} which helps to break down vegetable matter into compost, Wales, UK, May

SINCLAIR STAMMERS / Roundworm {Toxocara canis} 3 stage magnification x40

SINCLAIR STAMMERS / Roundworm {Brugia malayi} cause of human filariasis, Magnification x40

SINCLAIR STAMMERS / Roundworm {Toxocara canis} larva with egg, Magnification x40 using phase contrast

Constantinos Petrinos / Pair of Goby {Stonogobiops xanthorhinica} and {Stonogobiops nematodes} Sulawesi, Indonesia.

PREMAPHOTOS / Roundworm {Mermis sp.} female above ground, UK the larvae are parasites of various insects

SINCLAIR STAMMERS / Roundworm (Ascaris lumbricoides) next to matchstick for scale.

SINCLAIR STAMMERS / Filarial Nematode worm (Toxascaris leonina), parasite to large mammals, Magnification X 64

Tony Phelps / Roundworm found insde African Rock python {Python natalensis} South Africa.

Tony Phelps / Roundworm infestation of captive African Rock python {Python natalensis} South Africa.

Kim Taylor / Round worms {Toxocara canis} from the gut of a domestic dog, UK.

Kim Taylor / Round worms {Toxocara canis} from the gut of a domestic dog, UK.

Kim Taylor / Free living marine Nematode {Nematoda}

SINCLAIR STAMMERS / Filarial nematode worm {Toxascaris leonina}, parasitic on large mammals, Magn. X 128

SINCLAIR STAMMERS / Close-up of embryo of parasitic filarial nematode worm {Toxascaris leonina} Magn. X 64

SINCLAIR STAMMERS / Close-up of eggs of parasitic filarial nematode worm {Toxascaris leonina} Magn. X 128

James Christensen / Bald-legged Spider (Paratropis sp) with concealing cloak of dirt and algae in which tiny nematodes live, Mindo, Ecuador