Low oxygen concentration in sea caused tonnes of fishes to wash ashore – UG fisheries researchers

Low oxygen concentration in sea caused tonnes of fishes to wash ashore – UG fisheries researchers

- The fishes that washed ashore was as a result of low oxygen concentration

- The University of Ghana's Department of Marine and Fisheries Sciences preliminary findings has revealed

- This findings follows the discovery of tonnes of dead fishes on the shores of Axim-Bewire and Osu during the Easter holidays

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The University of Ghana's Department of Marine and Fisheries Sciences has stated that the fishes that washed ashore were a result of low oxygen concentration.

The researchers concluded that some fish that washed ashore last week was as a result of low oxygen concentration in the waters.

Preliminary investigations conducted by the department revealed that Chemical Oxygen Demand (COD) in the waters was higher than expected thus, resulting in the death of the fishes.

Low oxygen concentration in sea caused tonnes of fishes to wash ashore – UG fisheries researchers
Low oxygen concentration in sea caused tonnes of fishes to wash ashore – UG fisheries researchers
Source: Facebook

This findings follows the discovery of tonnes of dead fishes on the shores of Axim-Bewire and Osu during the Easter holidays.

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In Axim-Bewire in the Nzema East Municipality, it is believed that some 60 dead dolphins were washed ashore while some residents took advantage of it to make some sales.

Per preliminary findings from the Fisheries Commission and communicated by the Fisheries and Aquaculture Minister, Mavis Hawa Koomson, stress was revealed as the causative factor for the death of the fishes.

In relation to the new findings from UG's researchers, it goes to explain that the oxygen demand most likely created a condition of stress on living organisms that depend on dissolved oxygen in the water body.

In a statement signed by the department’s head on April 11, 2021, it was observed that there was a sudden drop in sea surface temperature in the coastal waters from Cote d’Ivoire to Togo a few days before the washing ashore of the fish.

In an earlier report carried by YEN.com.gh, despite the Fisheries Commission and the Food and Drugs Authority's claims that they had retrieved most of the dolphins for burial, some of these mammals were still in the hands of processors.

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In a Citinews interview monitored by YEN.com.gh, some fishmongers were found preparing some of the dead mammals for the market.

According to them, they are ready to release them to the regulators on the condition that they would be paid for it.

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