Food preference of red devil (Amphilophus labiatus) in the Sermo Reservoir, Kulon Progo Regency

[摘要] Food preference is one of the important information that can be used to know the food chain in order to manage fisheries resources. This study aims to determine the food habits and preference of red devil (Amphilophus labiatus) in the Sermo Reservoir, Kulon Progo Regency. Samples were collected randomly each month from September 2013 to February 2014. Each sample collected was measured its total length, body weight, and determined sex, then dissected to measure the gut length and to observe gut contents. Results showed that red devil is omnivorous (relative gut length = 3.83) with food composition consisted of fish, crustaceans, detritus, phytoplankton, zooplankton, plants, insects, insect's larvae, Chironomus sp., and annelids. A change occurred in the food preference of red devil, i.e. the young fish prefers to feed Chironomus sp. larvae (86.02 %) whereas the adult fish prefers fish/fish chunk (81.82 %). Trophic level status of red devil showed as carnivorous and niche overlapping between male and female of the adult.

[发布机构] Department of Fisheries, Universitas Gadjah Mada, Indonesia^1;Faculty of Geography, Universitas Gadjah Mada, Indonesia^2

[效力级别] 农业科学 [学科分类] 农业科学（综合）

[关键词] Body weight;Food chain;Food compositions;Food habit;Food preference;Gut contents;Total length;Trophic level