Boise State University
Boise State University: Ocean Exploration: Abyssopelagic (Abyssal) Zone
Learn about the very cold, dark region of the ocean known as the abyss. Includes information on the origin of the name of this ocean zone, as well as information on its depth and animal life.
PBS
Pbs Learning Media: Deep Sea Bestiary
This document from NOVA: "Into the Abyss" describes the physical and behavioral traits of some of the least-known and most unlikely creatures on Earth.
The Wild Classroom
The Wild Classroom: Biomes of the World: The Deep Sea Biome
Learn all about the abyssal ocean ecosystem. Find out about plants, animals, adaptations, and conservation efforts.
Other
Whitman College: Deep Sea Pages
Descriptions and pictures of creatures that live at abyssal depths and on the abyssal plains of the world ocean. Link to other sites.
