Greenback mullet (Planiliza subviridis) is one of commercially important fish species and widely caught in Cengkok Beach, Banten Bay. This study aims to examine some reproductive aspects of greenback mullet in Cengkok coastal waters of Banten Bay. The study was conducted from April to August 2019 at Cengkok Beach, Banten Bay. Fish sampling was performed by using gill net and cast net. Samples analysis were conducted including gonad maturity index, fecundity, relationship between body length with fecundity, and egg diameter. A total 223 individuals of mullet were captured, consisted of 113 males and 110 females. The total length and weight ranged from 56-263 mm and 2.3-182 g, respectively. The sex ratio of male and female fish was 1: 0.97 (balanced). Condition factor of male and female fish ranged from 0.99 to 1.02 and 0.96 to 1.03, respectively. Size at first maturity for male and female were 137.8 mm and 163.9 mm, respectively. It is very likely that the spawning season occurred from April to August with the peak season in July. Reproductive potential ranged from 17.284-101.670 eggs with a spawning type as total spawner.

The Covid-19 pandemic around the world has caused many problems in various sectors. The implementation of lockdown and large-scale social restrictions made it difficult to distribute foodstuffs from producers to consumers and also to deliver humanitarian aid. This made the inequalities even wider. The pandemic also resulted in an economic crisis which resulted in increased unemployment so that many people were starving because they could not afford food. This certainly hinders the realization of the Sustainable Development Goals, especially No Hunger and Reduced Inequalities points. In West Java, reviving the Beas Perelek tradition is a solution. However, a question arises whether this tradition can be applied in a time of the Covid-19 pandemic like today. The objective of this research is to describe the implementation and analyze the potential for sustainability of Beas Perelek in the society of West Java also to provide strategic elaboration recommendations to achieve sustainable development goals during the Covid-19 pandemic.To achieve the objective, this research using qualitative methods by collecting data from literature studies. The sustainability analysis technique uses the rapfish-MDS and the SWOT method to formulate an elaboration strategy of Beas Perelek. The result of the research showed that the tradition of Beas Perelek had benefits in reducing hunger and inequalities in society. The result of the research shows the continuity of the tradition of Beas Perelek in the good category with continuing status. To increase the implementation of Beas Perelek during the pandemic, it is necessary to carry out several elaboration strategies such as being revitalized into an economic institution, using technological innovations, and making special policies that regulate the implementation of the Beas Perelek.