Abstract. Mud clam (Polymesoda erosa) was hydrolysed using two different microbial enzymes; alcalase and flavourzyme. The volatile compounds, amino acids. Physicochemical properties of mud clam (Polymesoda erosa) hydrolysate produced using two microbial enzymes; alcalase and flavourzyme were determined. Polymesoda erosa (Lightfoot, ) in GBIF Secretariat . GBIF Backbone Taxonomy. Checklist dataset accessed via.
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Nesarul and Abu Hena Mustafa Kamal, Journal of Fisheries and Aquatic Science, Three species of the mangrove clams were reported polymesoda erosa the Indo-Pacific region; Polymesoda erosa, P.
The distribution of P. It has been speculated polymesoda erosa P. This species is also reportedly found in man-made prawn ponds 3. The mud clam Polymesoda spp. In Sarawak, Corbiculidae family was recorded from all divisions where P.
Polymesoda erosa - Classifications - Encyclopedia of Life
This coastal area is characterized by mud flat and mangrove forests with abundant natural invertebrates and widespread local fisheries. Although the clam is an indigenous bivalve, is collected for food, yet has not being cultured on a commercial scale. The production of this species from natural habitat in this area is still unknown and unreported.
Generally, the reproductive cycle of polymesoda erosa invertebrates, mainly bivalves are mostly influenced by adjacent environmental parameters and their gonads could vary from polymesoda erosa to place over year 8.
Inter-area differences in reproductive cycle and breeding patterns have been noticed in bivalve communities and the differences emerge to be linked with variations in food and temperature 9. However, the variations of metal levels in sediments could also affect on reproduction of clams elsewhere A histological preparation of gonad on reproductive cycle studies of clams to date is the most reliable where detailed information can be obtained In view of the fact that the method is laborious, when it is carried out at regular periods throughout the year, consequently, it can give detailed information of the timing and duration of the gonad cycle In bivalves mollusc, the gonad may be well-differentiated and clearly visible as in Pectinidae, or undifferentiated and encircling the digestive gland However, gonad in Corbiculidae is difficult to distinguish especially in female during the off breeding season As they undergo for external fertilization, males will produce sperms, while the females lay their eggs into the water column during the spawning time.
The marine mollusc study in Malaysia is normally carried out as a side product of other projects. Consequently, the basic information on reproductive pattern, fecundity and growth of bivalves is relatively poor in Polymesoda erosa coast area and mud flats.
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Again polymesoda erosa reported study on the gonad development of P. Besides, the information on reproductive cycle and breeding biology of P. Therefore, the objective of the study was to investigate the gonad development and yearly reproductive cycle of P.
Samples were collected monthly in random over a period of 14 polymesoda erosa from October, to November,
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