From the Book - Updated third edition.
Part 1. Down through the layers --
Surface waters: the Epipelagic (Euphotic) Zone --
Middle waters: the Mesopelagic (Disphotic) Zone --
Deep waters: the Bathypelagic (Aphotic) Zone --
Deeper waters: the Abyssopelagic Zone --
Deepest waters: the Hadal Zone --
Part 2. A fish-eat-fish world --
The cosmopolitan copepod --
Jellyfish: biding time --
Big sharks 1: the plankton-strainers --
Big sharks 2: the flesh-eaters --
Down deep with dragonfish --
Part 3. Trekking down the ridge --
The longest mountain chain in the world --
Creatures in the sulfur garden --
Farther along the ridge and back in time --
Black smokers and new life-forms --
Life among the archaeans --
Part 4. Counting the citizens of the sea --
The census of marine life --
Finding a place for ocean citizens to live --
Deciding on the kind of ocean we want or life among the jellyfish --
