[3] By ordinance 723 of 26 September 2011 the category was changed and the conservation unit became the Culuene State Biological Reserve.

[3] In September 2013 there was a manager for the Culuene Biological Reserve and the Rio Ronuro Ecological Station, and two agents for the two conservation units.

Fauna include marsh deer (Blastocerus dichotomus), collared peccary (Pecari tajacu), lowland paca (Cuniculus paca), capybara (Hydrochoerus hydrochaeris), jaguar (Panthera onca) and birds such as Muscovy duck (Cairina moschata), great egret (Ardea alba), green-winged macaw (Ara chloropterus) and toco toucan (Ramphastos toco).

[2] A 2009 analysis of conservation units in Mato Grosso rated the Culuene Ecological Reserve as having relatively low biological importance.

[6] The reserve and the Rio Ronuro Ecological Station were subject to high levels of threats and pressures compared to others.