Oligochaeta Collection

Earthworms
5308489 Earthworms.; (add.info.: Engraving depicting earthworms. An earthworm is a tube-shaped, segmented worm found in the phylum Annelida. Dated 19th century)

Kinabalu giant red leech (Mimobdella buettikoferi) feeding on Kinabalu giant earthworm (Pheretima darnleiensis), on Mount Kinabalu, Borneo

Californian sea lion (Zalophus californianus) swimming in Southern sea palm (Eisenia arborea) and Giant Kelp (Macrocystis pyrifera) forest, San Benitos Islands

Earthworms (Annelida) in soil, close up

An earthworm in ans shape

Close-up of earthworms on soil

Close-up of several earthworms on a sheet of damp newspaper

Lumbricus terrestris, earthworm
Scanning electron microscope (SEM) image showing the chaeta/setae - involved in the locomotion on an earthworm

Worm feeding on algae, light micrograph
Worm feeding on algae. Light micrograph of an microscopic annelid worm (subclass Oligochaeta, upper left) feeding on green algae

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Discover the fascinating world of Oligochaeta, a diverse class of annelid worms. From the depths of the Pacific Ocean, witness the Kinabalu giant red leech (Mimobdella buettikoferi) feeding on the Kinabalu giant earthworm, a spectacle rarely seen. In contrast, the Californian sea lion (Zalophus californianus) gracefully swims among the Southern sea palm (Eisenia arborea) and Giant Kelp (Macrocystis pyrifera) forest, Baja California Pacific Islands Biosphere Reserve, Mexico. Back on land, the humble earthworm (Annelida), such as Lumbricus terrestris, plays a crucial role in soil health. Observe their intricate anatomy in close-up, as they work tirelessly to break down organic matter and aerate the soil. Earthworms in their natural habitat, writhing in the damp soil, and even in a more controlled environment, like on a sheet of damp newspaper, showcase their essential role in the ecosystem. In microscopic detail, an earthworm's diet consists not only of soil but also algae, as shown in this light micrograph. The Oligochaeta class encompasses a vast array of species, each with unique adaptations and functions within their environments.