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An Approach to Open a New Arena for Blue Growth of Bangladesh by Mud Crab (scylla Serrata) Fishery from the Karnafuli River Estuary, Chattogram; Bangladesh

Selina Sultana
Marine Fisheries Academy, Fish Harbour, Chattogram, Bangladesh

MD. Mazharul Islam
Marine Fisheries Academy, Fish Harbour, Chattogram, Bangladesh

MD. Mahbub Alam
Marine Fisheries Academy, Fish Harbour, Chattogram, Bangladesh

Abstract/ Executive Summary:

Mud crab (Scylla serrata) is an ecologically important species naturally found in Bangladesh, especially in the tidal rivers of Khulna, Bagherhat, Satkhira, Cox’s Bazar and Chattogram. Worldwide demands of mud crabs can open an arena for the socioeconomic development of Bangladesh. Bangladesh exports thousands of tons of crab worth tens of millions of US dollars every year into East and Southeastern Asian countries. From the statistical report of DoF, 2017, the part of crabs is 0.34% into the total fish production of Bangladesh. The findings of the study revealed that during the mud crab catching season from February - May (4 months), one mud crab catcher’s daily income was Taka. 4500 - 7350 which is greater than other districts of Bangladesh. Wild mud crab catching is a seasonal profession. Subsequently, mud crab catchers' livelihood is very difficult and they fight with economical poverty during the off-season from June - January (8 months). Wild mud crab catching from the Karnafuli River estuary may become a profitable export item, which needs proper support from relevant policymakers.

Keywords: Mud crab, Scylla serrata, Karnafuli River estuary, Mud crab catcher, Seasonal profession

Location: Karnafuli River estuary, Chattogram; Bangladesh

Start Date:

End Date:

Program Area: Socio-economic and Policy

Commodity: Crab

Objectives:

Considering all the above the research aimed to explore the wild mud crab catching technique, livelihood of mud crab catchers, marketing of mud crabs and cost-effectiveness analysis of mud crab catching. From this study, it was clear that the activity of wild mud crab catchers is still now had no importance or cannot grow any interest to the relevant policymakers of Bangladesh though it is a profitable business. There is a potential scope on mud crab fishery, economical condition of Bangladesh will be changed by proper management because this is an exclusively export-oriented item. As a result, this sector needs proper management and implementation of some rules and regulations from the fisheries policymakers.

Methodology:

2.1 Stud Site The study was conducted in the Karnafuli river from the areas of Kalurghat Bridge to Air port Ferry Ghat and Located from 22'23.7"N, 91'53.4"E to 22'15"N,91'49.8"E by GPS coordinates.

2.2 Means of Data Collection We visited different types of small boats engaged in Mud Crab by small ferry boat (Called Sampan) to collect data and take interviews of mud crab catchers. Throughout these study periods, we talked with 15 crab catchers, take their interviews and collect available data from them on their catch, livelihood, investment etc. for this study. We also collected data on mud crab marketing channel, transportation system, processing method, export etc. from the crab catchers.

2.3 Measurement of collected samples Samples data were brought to the Zoological Laboratory of Marine Fisheries Academy and stored in a specialized plastic basket. Weight and dimension (Length, breadth) were taken by the digital weighing scales and Centimeter Scales. After taking the measurement of data samples, maximum specimens were released in the water of the Karnafuli River.

Source of Information: International Journal of Fisheries and Aquatic Studies 2020; 8(2): 249-257

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Every year, due to environmental disasters Bangladesh lost its natural mangrove habitats and faced coastal environmental degradation. It has a harmful effect on the mud crab population because they lose their habitat. So it is very prime requirement to recover the coastal zone for ensuring a safe habitat of mud crabs. Otherwise, this promising field will decline within a very short period. At the same time, mud crab catchers need attention from governmental organizations to carry on their profession more smoothly. They also need financial assistance or alternative job for them during the offseason. Export of mud crabs will increase by nourishing these people and also by establishing sustainable mud crab catch. Moreover, this sector needs research to overcome limitations of knowledge in every aspect of development and regulations.

Knowledge Management: Journal