The present investigation has been made to study the distribution, qualitative composition, of zooplankton from the eastern Arabian Sea of the habitat from Sundarapandian Pattinamand Manamelkudi (9° 40’ N; 69° 20’ E) along the Palk Strait of east coast of Tamil Naduduring. From July 2005 to June 2006, the zooplankton was sampled every three months for each monsoon seasons. The studied sites are located in one of the most productive zones of the world. Zooplankton species associations were studied using a null model species co‐occurrence. The results revealed the absence of regulators only for Zooplankton in station II in fixed-fixed model. In spite of these results would not agree with the literature descriptions, the cause would be the presence of many repeated species for studied sites. Ecological fisheries and resources management were discussed.