Adult medusa.

Hydroid colony on algae

Adult medusa. Detail of umbrella margin highlighting tentacles and statocysts.

Young polyp.

Exemplar adulto liberando esperma durante tarde de verão nos tanques do CEBIMar USP.

The black skimmer flies very close to the water, with the lower beak cutting the water surface.

The crested caracara is a bird of prey with a varied diet including crabs and other invertebrates.

Adult medusa. Detail of umbrella margin highlighting tentacles and statocysts.

The blue crab is a common species on the coast of São Paulo, occurring next to mangroves and estuaries. Commercially important for humans, it is also a food resource for birds and other aquatic organisms along the coast.

Medusa adulta. A água-viva Olindias sambaquiensis é comum no litoral Sudeste, sobretudo nos meses de inverno e primavera. É conhecida dos banhistas pelo colorido vívido e pelos tentáculos urticantes.

Details of polyps and branches.

The Southern Lapwing, known in Brazil as "quero-quero", lives in coastal areas, pastures and lawns. Feeds on aquatic and terrestrial invertebrates.

Exemplar adulto liberando esperma durante tarde de verão nos tanques do CEBIMar USP.

Planula larva.