Mud crabs (Scylla serrata) are one of the coastal fisheries commodities, especially in mangrove forests. This study was proposed to determine mangrove ecosystems service to produce molting of mud crab (S. serrata). This research on mangrove crab molting using a completely randomized design with four levels of treatment, namely ablation, autotomy, ablation + autotomy and control with three replications. The highest growth rate was ablation (molting percentage 80.95%, and 100% survival, growth 12.51%/day) and lowest ablation + autotomy (growth 4.95%/day, molting percentage 19.05%, growth 4.95% of the day). The differences in molting stimulation affect the percentage of molting.
Mangroves are a particular form of brackish plants, estuaries, and deltas which distributed in tropical and sub-tropical areas. Mangrove has various functions including the ecological functions of mangrove forests such as nesting places, spawning, and enlargement of various types of fish, shrimp, crabs, birds, and other fauna. This study was aimed to determine the mangrove ecosystems service to produce tiger shrimp (Penaeus monodon) in silvofishery ponds that are consisting domination of trees and saplings. Survival of shrimp at trees domination was 0.21% with a total of 125 individual, yielded as much as 1.2 kg. Shrimp survival at saplings domination was 0.31% with a total of 186 individuals, yielded of 1.8 kg. To further increase production results in silvofishery ponds, it is necessary to regulate the techniques of preventing predatory animals that enter the pond when the floodgates are opened, namely by placing a smooth net and repairing the fort.
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