The highly diverse tropical freshwater fish family Cichlidae is sparsely represented in the fossil record. Here we describe the new cichlid † Tugenchromis pickfordi , gen. et sp. nov., from the U
Pachycormidae is a group of pelagic Mesozoic teleosteomorph fishes characterized by, among other characters, a reduction of the body scales, both in size and also in degree of mineralization. However,
Sparid fishes represent one of the major radiations of predominantly temperate-water benthic fishes. Previous molecular phylogenetic studies suggested that many traditional taxonomic groups, often bas
The triggerfishes (family Balistidae) and filefishes (family Monacanthidae) comprise a charismatic superfamily (Balistoidea) within the diverse order Tetraodontiformes. This group of largely marine fi
Expression of phenotypic plasticity depends on reaction norms adapted to historic selective regimes; anthropogenic changes in these selection regimes necessitate contemporary evolution or declines in
