Conservation Biology

Fishes in contemporary bodies of water suffer extreme pressures, coming from introduced species and human misuse of resources. Important steps in biological conservation are the recognition of unique forms, determination of their population trends, identification of risk factors and establishment of recovery strategies, well-informed by species biology and genetics.

During my research I have spotted several species not previously known to Iberian inland waters, including one native species in 2007 and several introduced species in 2002, 2008 and 2009. I have formally described a species new to science, which is in extreme risk of extinction.


Close inspection of an Iberochondrostoma olisiponensis. This species is under great threat of extinction and listed in the IUCN Red List as Critically Endangered.

This has motivated me and colleagues to learn more about it and establish an ex-situ stock. We have successfully achieved reproduction of this species in captivity.

This 10 sec video shows the heart of an Iberochondrostoma olisiponensis larva pumping blood.

This ex-situ stock is providing insight about the species’ biology and could potentially be used for future reintroduction in nature. We are currently putting more resources into learning more about the species distribution, population sizes and genetic diversity, with kick-off funds from The Mohamed bin Zayed Species Conservation Fund. We have made some really unexpected and important discoveries regarding the distribution of this species that we are now going to publish.

To learn more about this species and our conservation efforts, visit Iberochondrostoma olisiponensis – species conservation page.

Last updated: February 1st, 2017

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