some divers refer to the waters around matias
and praça onze as a living aquarium due to the abundance of
colorful fish that are seen there.
however, care must be
exercised in respect to the currents. owing again to the small
size of the channels separating the islets, or rather to the
pressure exerted by the large amounts of water being pushed
through these canals, currents can become quite forceful at
times.