Saleeza S N R, Norma-Rashid Y, Sofian-Azirun M
Southeast Asian J Trop Med Public Health. 2014 Mar;45(2):299-308.
Observation on predation activities of guppies (Poecilia reticulata) on the larvae of three species of mosquito, namely Aedes albopictus, Aedes aegypti, and Culex quinquefasciatus was carried out under laboratory conditions. Male and female guppies were used as predators for predation experiments on the 4th instars of mosquito larvae. The daily feeding rates comparing male and female guppies on mosquito larvae were different; the female guppies consumed more mosquito larvae than male guppies did. The daily feeding rates of female guppies were 121.3 for Ae. aegypti, 105.6 for Ae. albopictus, and 72.3 for Cx. quinquefasciatus. The daily feeding rates of male guppies were 98.6 for Ae. aegypti, 73.6 for Ae. albopictus, and 47.6 for Cx. quinquefasciatus. In terms of prey preference, there was greater preference towards mosquito larvae of Ae. aegypti, followed by Ae. albopictus, and the least preferred was Cx. quinquefasciatus. Male and female guppies consumed more mosquito larvae during lights on (day time) compared with lights off (night time). The water volume, prey species, number of fish predators available, prey densities, and prey's sex also influenced the predation activities.
在实验室条件下，对孔雀鱼（Poecilia reticulata）捕食白纹伊蚊、埃及伊蚊和致倦库蚊这三种蚊虫幼虫的活动进行了观察。将雄孔雀鱼和雌孔雀鱼作为捕食者，对四龄蚊虫幼虫进行捕食实验。雄孔雀鱼和雌孔雀鱼对蚊虫幼虫的每日捕食率不同；雌孔雀鱼消耗的蚊虫幼虫比雄孔雀鱼多。雌孔雀鱼对埃及伊蚊的每日捕食率为121.3，对白纹伊蚊为105.6，对致倦库蚊为72.3。雄孔雀鱼对埃及伊蚊的每日捕食率为98.6，对白纹伊蚊为73.6，对致倦库蚊为47.6。在猎物偏好方面，孔雀鱼对埃及伊蚊幼虫的偏好更大，其次是白纹伊蚊，最不喜欢的是致倦库蚊。与熄灯（夜间）相比，雄孔雀鱼和雌孔雀鱼在开灯（白天）期间消耗的蚊虫幼虫更多。水量、猎物种类、可用捕食者鱼类数量、猎物密度和猎物性别也会影响捕食活动。
