Melanomacrophage centers (MMCs) are aggregates of highly pigmented phagocytes found
primarily in the head kidney and spleen, and occasionally the liver of many vertebrates …

Industrialization has resulted in a massive increase in garbage output, which is frequently
discharged or stored in waterways like rivers and seas. Due to their toxicity, durability …

Simple Summary Fish are free-living organisms who are dependent on their innate immune
system for survival. This system is fundamental for the defense mechanisms against …

The current study investigates the hepatotoxic effects of two acute doses of silver
nanoparticles (AgNPs) and silver nitrate (AgNO 3) on African catfish (Clarias garepinus) …

Streptococcus agalactiae is regarded as a major bacterial pathogen of farmed fish, with
outbreaks in Nile tilapia causing significant losses. Vaccination is considered the most …

Pyrogallol is a naturally occurring polyphenol derived from natural plants, such as Acer
rubrum and Eucalyptus sp. The current study was designed to evaluated pyrogallol …

Although there are many applications of silver nanoparticles (Ag-NPs) in human activities,
there is still little known about their potential environmental toxicity, particularly to fish. In the …

We describe and compare the histology of liver and spleen of Geophagus brasiliensis
(Perciformes), Hypostomus francisci (Siluriformes) and Hoplias aff. malabaricus …

The liver of fish is considered an ideal model for studying the collaboration between
environmental agents and the health state of the fish, where it gives good indications about …

Mycobacteriosis, a chronic progressive disease in fish caused by Mycobacterium spp., is
typically characterized by granulomatous lesions that illustrate its harmful pathogenesis …