In today's world, Head and lateral line erosion has become a topic of general interest covering a wide spectrum of applications. From its impact on society to its relevance in the global economy, the study of Head and lateral line erosion has gained undeniable importance in various fields of knowledge. In this article, we will explore the different facets of Head and lateral line erosion and its influence on our daily lives. From its origins to its evolution today, we will delve into a detailed analysis that will allow us to better understand the importance and scope of Head and lateral line erosion in the contemporary world.
Head and lateral line erosion, (HLLE) or hole-in-the-head (HITH) is a disease in fish. Chronic ulcerative dermatopathy or chronic erosive dermatopathy are symptoms of similar conditions with different etiology.
HLLE begins as small pits of receding epithelium (skin) around the fish's head and/or lateral line, and sometimes onto the unpaired fins. Rarely fatal, it does cause disfigurement, making the fish less suitable for public aquarium display. At least 20 families of fish have been identified as having developed HLLE in captivity.[clarification needed] Not all species of fish show the same symptoms, and do not always develop lesions to the same degree.
HLLE has not been sufficiently studied to identify all causes. In marine fish, two studies point to the use of activated carbon in closed aquarium ecosystems as contributors.
Hole in the head can be reversed by removing all activated carbon and conducting large percentage water changes. Greater than 90% water changes may need to be done to reduce the effects of activated carbon. More commonly, cures are made by moving the fish to a new aquarium that has never had fish develop HLLE in it.