The gobies are non-commercial fishes in the Iranian waters of the Caspian Sea for which population dynamics and stock status are poorly known. In this survey, we tried to define species diversity and catch per unit effort (CPUE) of Gobiidae by using beach seine nets in Salmanshahr, the southern Caspian Sea. From March 2011 to April 2012, 224 specimens representing 4 gobiid species, belonging to...

The structure of aquatic food webs has changed dramatically at the global scale. Overfishing, persistent chemical contamination, and the rapid spread of non-indigenous species have caused the loss of the “big fish”—traditional predator species that once formed the basis of the fishing industry. This decline in pelagic diversity, coupled with the effect of invasive species like the zebra mussel,...

Hereditary angioedema (HAE) is a rare genetic disorder characterized by recurrent episodes of debilitating and potentially fatal swelling in various parts the body including face, hand airways. Prophylactic treatment options for HAE patients have dramatically improved recent years, significantly reducing frequency attacks overall disease burden but all require chronic, life-long administration....

Abstract Biological invasion is a strong threat to native biodiversity, with limnic systems being especially vulnerable due historical separation and resulting prey naivety. The naivety hypothesis states that species may not be able recognize novel predators lack of common evolutionary background and, therefore, become easy targets. In laboratory experiment, we added cues European bullhead ( Co...

Antigenicity of IgG was compared among human, the cynomolgus monkey, the African green monkey and the squirrel monkey by the quantitative precipitation test using purified IgG of and rabbit anti-IgG serum to each species. Clear cross-antigenicity was observed between the cynomolgus monkey and the African green monkey and less clear cross-antigenicity between human and the cynomolgus monkey or t...

A new hovering goby or dartfish is described from material collected in Mexico, Costa Rica and Panama. It is the only species of the cosmopolitan genus Ptereleotris known from the eastern Pacific. It is distinguished from its Western Atlantic and Indo-Pacific congeners by its low fin-ray counts, prominent median keel on the ventral margin of the head, lanceolate caudal fin with dusky lower half...

To gain a deeper understanding of how environmental conditions affect brain plasticity, brain size was explored across different seasons using the invasive round goby Neogobius melanostomus. The results show that N. melanostomus had heavier telencephalon in the spring compared to the autumn across the two years of study. Furthermore, fish in reproductive condition had heavier telencephala, indi...

In the intertidal fish Bathygobius ramosus, larger males are more likely to reproduce than smaller ones due to male-male interactions and female preferences. Additionally, larger males are favored in foraging via intra-specific and inter-specific competition. Activity performance is also an important function associated with the ability to perform courtship, male-male interactions, and parental...

Gobies and their ectoparasitic monogenean flatworms are promising models for species diversification because of richness. Recent decades have seen the discovery several new Gyrodactylus (Monogenea: Gyrodactylidae) on European gobies, mostly in sand goby lineage especially eastern Mediterranean. However, fauna other gobies is much less understood. Therefore, we inspected five gobiid (34 specimen...