The mud crab (Scylla serrata) is one of the fisheries resources in Teluk Bogam Village Central Kalimantan, and is utilized by the local community as a livelihood; however, information on its biology is very limited. This study aims to analyze the reproductive biology of the mud crab (Scylla serrata) in the mangrove area of Teluk Bogam Village as a basis for fisheries management. The study was conducted from August 2024 to January 2025, with a total of 215 individuals (93 males and 122 females), caught by fishermen using folding traps. The parameters observed included length frequency distribution, carapace width and weight relationships, condition factors, sex ratio, gonad maturity stages (GMS), first gonadal maturity size, gonado-somatic index, fecundity, and oocyte diameter. The study results showed a sex ratio of 1: 0.76 for mud crabs, with a dominance of females. The peak spawning season for mud crabs is estimated to occur in November. The size at first maturity for males was 113,13 mm, while for females was 116,67 mm. Fecundity ranged from 820,858 to 2,419,923 oocytes. The spawning type of mud crabs is a total spawner, meaning all fertilized oocytes are released simultaneously.
Andria et al. (Thu,) studied this question.
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