Endangered Diamond Tetra Reintroduction Project

We plan to reintroduce endangered Diamond Tetra (Moenkhausia pittieri) to its original home in the wild.

raised of $18,300 goal

Campaign Story

Diamond Tetra (Moenkhausia pittieri) is an endangered species of fish from Venezuela that Mikolji is currently assessing for the International Union for the Conservation of Nature (IUCN). It is endemic to Lake Valencia. It was also endemic to El Limon River, a tributary of Lake Valencia, in Aragua State, until the El Limon natural disaster landslide of September 1987, where part of a mountain disappeared because of the torrential rains.

After the disaster, Diamond Tetras became locally extinct in their original home, the upper portion of El Limon river, which feeds Lake Valencia. The fish from Lake Valencia cannot swim up the El Limon river because of a pollution barrier from city and industrial waste.

The Diamond Tetra Reintroduction project involves ex situ breeding and replenishing the population upriver, near the Henry Pittier National Preserve. We will select two locations, seeking to replicate and compare results in both. The project will be implemented in conjunction with several local partners including Oscar Lasso, museum curator of the La Salle Institute which will coordinate the project with local authorities. The fish will be bred by Norbert Ube from the Posada Casa Maria using the water from the same mountain where the fish will be reintroduced.

The project will consist of planned releases of adult Diamond Tetras just north of the pollution barrier, allowing it to populate upstream into the mountains of Henry Pittier National Park. There will be monthly releases from December until the beginning of the wet season (approximately six months), with another six months of observations and surveys to ensure population establishment. A second location in a separate river will be used for the replication comparison. This will serve as an experiment to see if reintroduction of this species is viable and replicable in rivers of similar characteristics.

This project will begin during the dry season (sometime between December and February) and continue for one year. Extra benefits will be the creation of visual assets (video, photographs, a micro documentary, and scientific and public journal articles).

This project can also be an example of how aquarists can be an important part of ecological solutions using ex situ conservation.

We will need permits form both the environmental ministry and the National Parks Authority (InParques) Office of Biological Diversity. We will also need field equipment to measure and graph the rivers, physically and chemically characterize (morphometry & bathymetry) both locations. Scientists fees, food, lodging, transportation, vehicle rental, field equipment such as multiparametric probes, electronic thermometers, kits to measure wáter characteristics such as dissolved oxygen, temperature, pH, electrical conductivity, wáter turbidity and transparency (like a secchi disk), diving masks, measuring tapes, compass, field notebooks, waterproof submergible flashlights, neoprene suits, field footwear, etc.

Participants: We calculate five people will participate in the project. Ivan Mikolji, Carlos Lasso, a biologist, a Parks representative, and the ex situ breeder.

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