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Species

Prochlorococcus

Prochlorococcus marinus

The smallest and most abundant photosynthetic organism, thriving in low-light tropical seas.

Ecoregions
Equatorial Pacific
Ecoregion types
Pelagic
Trophic levels
Primary Producer

Video

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About this species

Species identity

The smallest and most abundant photosynthetic organism, thriving in low-light tropical seas.

Role in the ecosystem

Prochlorococcus helps explain how marine food webs function through its ecological role, habitat use, and connection to broader ecosystem change.

Scientific reference

Ocean Literacy Connections

This resource can be explored through Ocean biodiversity, Ocean makes life possible and Ocean and climate.

  • How do ocean habitats support so many forms of life and interaction?
  • How does the ocean help make Earth habitable?
  • What ocean processes help shape climate and weather patterns?

Explore and connect

Open the primary producer view and compare this species with related marine life.