[3] Though the smaller mammals like mongooses, hedgehogs, hares, porcupines, Cape clawless otters, bushbabies and small-spotted genets are difficult to observe, one may find signs of their presence.

During late 2014 one common duiker was released in the reserve, the first spotted eagle-owl house was installed, and a first sighting of caracal was made.

[5] The leaf-feeding thrip Liothrips tractabilis, introduced from Argentina, was released in the reserve's flood plain in 2014 to combat the invasive pompom weed.

A December 2014 assessment of the aquatic life in Moreleta Spruit indicated that it was in a critically modified state, and in poor condition with low biodiversity.

The spruit now receives larger inflows than in the past, and greywater is diverted to the river from storm water systems, besides runoff from road surfaces and paved areas.

The water quality has been negatively affected by oily road surfaces, lawn fertilisers, litter, constant sewage spills and illegal dumping of hazardous substances.