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Long-term loans (Details Narrative)
Sep. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Jan. 04, 2022
USD ($)
Jan. 04, 2022
CNY (¥)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Long-Term Debt, Excluding Current Maturities $ 13,416,162 $ 13,250,516    
Fujian Xinqiao Ocean Fishery Group Co., Ltd [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Long-Term Debt, Excluding Current Maturities     $ 13,416,161 ¥ 94,012,410
Long-Term Debt, Term     5 years 5 years
Debt Instrument, Interest Rate, Stated Percentage     6.00% 6.00%