Natural diet of Macrobrachium nipponense shrimp from three habitats in Anzali Wetland, Iran

Abstract

The freshwater shrimp, Macrobrachium nipponense is an invasive species which has recently been reported in Anzali Wetland, Iran. It exhibited good tolerance and adaption in this wetland ecosystem. This study examined certain aspects of feeding of M. nipponense in three habitats of this wetland. Shrimps were randomly sampled from April 2016 to March 2017. The stomach contents were obtained from 367 specimens ranging in length from 4.2 cm to 6.9 cm. The empty stomach index (VI) showed that this shrimp was a voracious (0 ≤ VI M. nipponense in the Anzali Wetland ecosystem.

Keywords

• macrobrachium nipponense
• food behavior
• habitat
• anzali wetland