Species of the genus Senga comprise a group of bothriocephalidean cestodes that predominantly parasitize freshwater teleost fishes, causing severe histopathological alterations due to scolex attachment to the digestive tract or obstruction of the intestinal lumen. The Siamese fighting fish Betta splendens is the type-host of Senga besnardi , the type species of the genus known only from the original description. Despite the im...