hole-in-head disease


hole-in-head disease
1) head and lateral line erosion (a nutritional deficiency seen in aquarium fish, usually of vitamin C, aggravated by stress and poor water quality. Holes develop in the head and and sometimes along the lateral line. Death may result. Also called lateral line disease)
2) enteric septicaemia (a disease caused by the bacterium Ewardsiella ictaluri affecting fingerling and yearling catfish. Characterised by a raised or open ulcer on the frontal bone, hence the alternate name of hole-in-head disease)

Dictionary of ichthyology. 2009.

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  • Hole in the head disease — are susceptible in marine aquaria.ymptomsThe symptoms are well described by the name. First, the fish will develop small, grey, pin hole abrasions around the eyes and head. As the disease progresses, it spreads down the lateral line. These… …   Wikipedia

  • head and lateral line erosion — a nutritional deficiency seen in aquarium fish, usually of vitamin C, aggravated by stress and poor water quality. Holes develop in the head and and sometimes along the lateral line. Death may result. Also called hole in head disease and lateral… …   Dictionary of ichthyology

  • lateral line disease — hole in head disease (head and lateral line erosion (a nutritional deficiency seen in aquarium fish, usually of vitamin C, aggravated by stress and poor water quality. Holes develop in the head and and sometimes along the lateral line. Death may… …   Dictionary of ichthyology

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