Cifonauta marine biology image database

Explore the marine biodiversity

Cifonauta is an image database containing a wide variety of photos and videos from scientific activities in marine biology. The images contain taxonomic classification, life stage, habitat, and other information that let you browse intuitively.

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In addition to representative photos of each taxon we made available sequential images of the same organism to allow a more complete view of their morphology and dimensionality.


Short footage material showing aspects of the biology of organisms such as development, locomotion, behavior, and reproduction.


Selection of images from the database on a specific topic with descriptive text and slideshow. See our available tours.


  • Starfish +
  • Hydroid +
    Detail of hydranth and ligula.
  • Sea anemone +
    Sea anemone
  • Sea cucumber +
    Sea cucumber
    First cleavage
  • Scaled polychaete +
    Scaled polychaete
    Anterior region, dorsal view.
  • Comb jelly or ctenophore +
    Comb jelly or ctenophore
  • Black sea urchin +
    Black sea urchin
    The black sea urchin spines has relatively thick and very resistant spines. The coloration of the spines and carapace varies from dark brown to black. Known locally as “pindá” it is an abundant species on the Brazilian coast, coastal, found predominantly in holes bore into the rocks. It feeds on algae and encrusting animals. Occurs from Florida to southern Brazil, as well as West Indies, Bermuda, Ascension Island, St Helena and Angola.
  • Hydromedusa +
    Adult medusa.