Gaps or wide valleys in mountain systems are of much interest to biogeographers and
evolutionary biologists since they shape species distributions as well as inter-and …

Sexual dimorphism is a common phenomenon in the animal kingdom. To test the
consistency of sexual dimorphism patterns among sympatric species of the same genus, ten …

The freshwater crab Potamon persicum in Iran is distributed along the western Alborz
Mountains, its range extending southeast through the whole Zagros Mountains. We …

Sexual dimorphism is generally obvious in brachyurans, and sexual dimorphism between
species is of a higher degree to allow separation of trophic niches compared to the lower …

The current patterns of biodiversity have significantly been affected by glacial-interglacial
cycles during the Pleistocene period. True freshwater crabs are considered as poor …

Abstract The Chinese mitten crab (Eriocheir sinensis), an economically valuable crustacean
that is popular for its flavor, exhibits catadromous spawning migration. Overfishing and …

Potamon strouhali is endemic to Iran, and distributed in a small heterogeneous region of the
southern Persian plateau that includes two main drainage basins, the Khalij Fars-Oman and …

Potamon strouhali Pretzmann, 1976 is endemic to Iran, and distributed in a small
heterogeneous region of the southern Persian plateau that includes two main drainage …

Animal shape has become sophisticated through evolution or phenotypic plasticity to adapt
and survive changing environmental conditions. Sexual differences, which are sex-specific …

Crustaceans exhibit a great diversity of morphological characteristics that are useful for
inferring the general habits of species. In cheiragonid brachyuran crabs such as the …