University College London

Julia Day

Professor of Zoology (Biological sciences)



  • Evolution along the Great Rift Valley: phenotypic and genetic differentiation of East African white-eyes (Aves, Zosteropidae)
  • Widespread colonisation of Tanzanian catchments by introduced Oreochromis tilapia fishes: the legacy from decades of deliberate introduction
  • High levels of interspecific gene flow in an endemic cichlid fish adaptive radiation from an extreme lake environment
  • High levels of genetic structure and striking phenotypic variability in a sexually dimorphic suckermouth catfish from the African Highveld
  • Terrestrial-focused protected areas are effective for conservation of freshwater fish diversity in Lake Tanganyika
  • Next-Generation Mitogenomics: A Comparison of Approaches Applied to Caecilian Amphibian Phylogeny
  • Molecular phylogeny of Oreochromis (Cichlidae: Oreochromini) reveals mito-nuclear discordance and multiple colonisation of adverse aquatic environments
  • Niche divergence facilitated by fine-scale ecological partitioning in a recent cichlid fish adaptive radiation
  • Niche divergence promotes rapid diversification of East African sky island white-eyes (Aves: Zosteropidae)
  • Diversification of clearwing butterflies with the rise of the Andes
  • Development of anonymous nuclear markers from Illumina paired-end data for Seychelles caecilian amphibians (Gymnophiona: Indotyphlidae)
  • Phylogenetic relationships of the Lake Tanganyika cichlid tribe Lamprologini: The story from mitochondrial DNA
  • Tempo and Mode of Diversification of Lake Tanganyika Cichlid Fishes
  • Mastacembelid eels support Lake Tanganyika as an evolutionary hotspot of diversification
  • Relative time scales reveal multiple origins of parallel disjunct distributions of African caecilian amphibians
  • Continental Diversification of an African Catfish Radiation (Mochokidae: Synodontis)
  • Pectoral fin loss in the Mastacembelidae: a new species from Lake Tanganyika
  • Lacustrine radiations in African Synodontis catfish
  • Molecular phylogenetics of the neotropical butterfly subtribe Oleriina (Nymphalidae: Danainae: Ithomiini)
  • Material referred to Megalosaurus (Dinosauria: Theropoda) from the Middle Jurassic of Stonesfield, Oxfordshire, England: one taxon or two?
  • On the origin of the Synodontis catfish species flock from Lake Tanganyika
  • Nocturnal claroteine catfishes reveal dual colonisation but a single radiation in Lake Tanganyika
  • Comment on "Origin of the Superflock of Cichlid Fishes from Lake Victoria, East Africa"
  • Sauropod Trackways, Evolution, and Behavior
  • A Middle Jurassic dinosaur trackway site from Oxfordshire, UK
  • Phylogenetic relationships of the Sparidae (Teleostei: Percoidei) and implications for convergent trophic evolution
  • Evolutionary relationships of the Sparidae (Teleostei: Percoidei), integrating fossil and Recent data
  • Dinosaur locomotion from a new trackway
  • A new species of labrid fish (Teleostei: Perciformes) from the Lower Miocene of Northern Cape Province, South Africa
  • Evolutionary origins and genetic variation of the Seychelles treefrog, Tachycnemis seychellensis (Duméril and Bibron, 1841) (Amphibia: Anura: Hyperoliidae)
  • Non-lethal DNA sampling for caecilian amphibians
  • A comprehensive molecular phylogeny of Afrotropical white-eyes (Aves: Zosteropidae) highlights prior underestimation of mainland diversity and complex colonisation history
  • The phylogenetic relationships of neosuchian crocodiles and their implications for the convergent evolution of the longirostrine condition
  • How to date a crocodile: estimation of neosuchian clade ages and a comparison of four time‐scaling methods
  • The effects of land use disturbance vary with trophic position in littoral cichlid fish communities from Lake Tanganyika
  • Exceptional levels of species discovery ameliorate inferences of the biogeography and diversification of an Afrotropical catfish family
  • A near-complete species-level phylogeny of uropeltid snakes harnessing historical museum collections as a DNA source
  • Multiple independent colonizations into the Congo Basin during the continental radiation of African Mastacembelus spiny eels
  • Contrasting geographic structure in evolutionarily divergent Lake Tanganyika catfishes
  • Geographical differentiation and cryptic diversity in the monocled cobra, Naja kaouthia (Elapidae), from Thailand
  • Testing the performance of environmental DNA metabarcoding for surveying highly diverse tropical fish communities: A case study from Lake Tanganyika
  • Contrasting trajectories of morphological diversification on continents and islands in the Afrotropical white‐eye radiation
  • The toad’s warts: Discordance creates bumpy expectations of mitochondrial‐nuclear evolution between species
  • Biodiversity assessment across a dynamic riverine system: A comparison of eDNA metabarcoding versus traditional fish surveying methods
  • Adaptation of the carbamoyl-phosphate synthetase enzyme in an extremophile fish
  • Sympatric and allopatric Alcolapia soda lake cichlid species show similar levels of assortative mating
  • Molecular phylogenetics of sub-Saharan African natricine snakes, and the biogeographic origins of the Seychelles endemic Lycognathophis seychellensis
  • Exploring the Expression of Cardiac Regulators in a Vertebrate Extremophile: The Cichlid Fish Oreochromis (Alcolapia) alcalica
  • The roles of vicariance and isolation by distance in shaping biotic diversification across an ancient archipelago: evidence from a Seychelles caecilian amphibian
  • The biogeographic history of neosuchian crocodiles and the impact of saltwater tolerance variability
  • High frequency environmental DNA metabarcoding provides rapid and effective monitoring of fish community dynamics
  • Dispersal sweepstakes: Biotic interchange propelled air‐breathing fishes across the globe

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