Marine life in toto

• The aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales
• Free-swimming aquatic life
• Marine organisms

Wiktionary Word definitions in Wiktionary
n. (context zoology English) All organisms in the ocean that are capable of swimming independently of currents.

WordNet Word definitions in WordNet
n. the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1893, from German nekton (van Heusen, 1890), from Greek nekton , neuter of nektos "swimming," from nekhein "to swim" (see natatorium ).

Wikipedia Word definitions in Wikipedia
Nekton or necton refers to the aggregate of actively swimming aquatic organisms in a body of water. The term was proposed by German biologist Ernst Haeckel to differentiate between the active swimmers in a body of water, and the passive organisms that were ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
nekton \nekton\ n. The aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales.