an infection of gyrodactylus anguillae ergens, 1960 (monogenea) associated with the mortality of glass eels (anguilla anguilla l.) on the north-western mediterranean sea board of spain. | the association of gyrodactylus anguillae ergens, 1960 with the glass eel stage of anguilla anguilla (l.) (total body length 61.4±4.9mm; range 55-70) is reported from the north-western mediterranean coast of spain for the first time. a sample of 12,600 glass eels, caught by professional fishermen operating in the mouth of the rivers fluvià, la muga and ter (north-east spain), was subject to mortalities of ∼1.75% of stock/day following transfer to a research facility. subsequent losses over a 31- ... | 2011 | 21482028 |