Formation only Coralline in the world (chapeirão), concentration for reproduction and it creates of nestlings of the Baleias Jubarte, Ave navies, caves, lukewarm and transparent waters for dives scientific, autonomous and snorkelling.              The echo sea system presents mainly fish as: Parus, Barracudas, Garoupas, Badejos, unassuming with

several species of Turtles, Dolphins, Sharks and with two different species of Hindu priest.  

To main attraction in the sea of Caltrops in the months of July to November it is the arrival and permanences of the Baleias Jubarte, that oh they stay for the reproduction and it creates of the nestlings.   
   
The fauna in Caltrops is abundant, it sounds about 35 species of mammals, 360 types of birds, 79 types of reptiles.   
   
The monkeys of the species Flag are the endemic, and the charismatic Uacari-white (white monkey) that are only seen in this area they are an attraction to the part, as well as the encounter with the Laziness.