World Journal of
Pharmaceutical and Life Sciences

FOOD AND FEEDING HABITS OF SECURICULA GORA (HAMILTON, 1822) IN MEGHADRIGEDDA RESERVOIR, VISAKHAPATNAM, ANDHRA PRADESH, INDIA

K. Rama Rao, S. Nickhil Vardhan, L. Komali, K.Manisha, B. Karthik Priyatham

ABSTRACT

A total of 186 fishes of Securicula gora were collected from Meghadrigedda Reservoir during June 2021 to May 2022. Which are having 99 fishes are full gut and 87 are empty stomachs were observed. The food items of insect and crustacean pieces were showed highest part in September (66.0%) and the lowest in March (42.0%), fish scales and spines were appeared highest in July (15%) and lowest in March (2%), molluscan shells highest in arch (7%) and lowest in July (0.5%), Micro algae highest in February and March (12%) and lowest in October and November (4%), Filaments algae highest in February (12.5%) and lowest in September (2%), digested food highest in March (27%) and lowest in July (12%). The Relative Frequency (%RF) is highest (11.82) in June and less (4.3) in January. An average seasonal variation of RF% resulted more (10.21± 1.58) in monsoon period and low (6.85±2.46) in post-monsoon period. In the present investigation food dominance, Gut repletion index, K-factor and the Gastro Somatic Index were observed during in different seasons.

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