Oscar Puebla serves as Professor for Fish Ecology at the University of Oldenburg and holds dual leadership roles at the Leibniz Centre for Tropical Marine Research (ZMT) in Bremen: Programme Area Lead for Coastal Resources and Sustainable Blue Economy (Programme Area 1) and Working Group Leader for Fish Ecology and Evolution. Based at ZMT's Wiener Str. 7 office (Room 5307), he directs research on tropical marine ecosystems with implications for global change adaptation and conservation. His research program centers on marine evolutionary processes, specifically investigating dispersal mechanisms, adaptive radiation, and speciation dynamics in tropical reef fishes. Employing population genomics as his primary methodology, he integrates behavioral observations and theoretical modeling to examine how ecological pressures drive genetic divergence. Key focus areas include color-pattern evolution in Hypoplectrus hamlets, microendemism patterns, and mating system evolution in simultaneous hermaphrodites. Analysis of his 14 publications (2007-2022) reveals consistent contributions to understanding genomic architecture of speciation, particularly through studies of Caribbean reef fishes. His work demonstrates how chromosomal rearrangements facilitate adaptive divergence while maintaining gene flow, with significant implications for marine biodiversity conservation under climate change scenarios. As head of ZMT's Fish Ecology and Evolution working group, Puebla oversees field studies in tropical marine environments including Bocas del Toro, Panama. His research program likely involves substantial grant funding given the international collaborations evident in his publications, though specific grants aren't detailed in the source text. The group maintains active field and genomic laboratories supporting ongoing work on coral reef fish evolution.











