Cifonauta

marine biology image database

Tours

Freshwater hydromedusa +
Freshwater hydromedusa

77 images

  • Created: Feb. 21, 2012, 2:49 p.m.
  • Modified: Sept. 15, 2019, 8:44 a.m.

Plankton: microscopic giants

Although generally small in size, planktonic beings are giants in stature. Basis of marine food chains, the plankton (Greek planktos, drifting) comprises a great diversity of uni- and multicellular organisms … Click to keep reading and start the tour.

79 images

  • Created: Nov. 3, 2011, 11:28 p.m.
  • Modified: Sept. 22, 2019, 2:54 p.m.
Embryo during blastula formation +
Embryo during blastula formation

The life cycle of an echinoderm

In this tour you can follow the life stages of the sea biscuit Clypeaster subdepressus. This echinoderm is related to sea urchins, but its body is flattened and it lives … Click to keep reading and start the tour.

51 images

  • Created: June 15, 2011, 12:07 p.m.
  • Modified: Sept. 22, 2019, 2:54 p.m.
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.

Araçá Bay

The Araçá Bay (São Sebastião, State of São Paulo), within one of Brazil’s most beautiful coastlines, has small relict mangrove stands and a very diverse marine ecosystem. As such, the … Click to keep reading and start the tour.

109 images

  • Created: May 2, 2011, 12:35 p.m.
  • Modified: Sept. 22, 2019, 2:49 p.m.
Comb jelly or ctenophore +
Comb jelly or ctenophore
Cydippid larva.

57 images

  • Created: March 21, 2011, midnight
  • Modified: Sept. 22, 2019, 2:52 p.m.