Canal das Arabaianas

Canal das Arabaianas is classified as a mesophotic coral ecosystem and is traditionally an artisanal fishing ground, occasionally visited by recreational divers. Two vermetid snails recorded there, Novastoa sp. and Thylaeodus sp., may be species endemic to the channel.

There are sponges up to 1 m tall and small caves, as well as corals and rays. Varied schools of fish, dentões and passing fish appear, with barracudas throughout the water column. The substrate holds the corals Montastrea cavernosa and Siderastrea stellata, and among the molluscs recorded the most common was the gastropod Hipponix costellatus.

In Fortaleza, diving tends to be most favorable from January to June, a period with little wind.