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Population declines of large 

fish stocks in 

Sabah, East Malaysia

 

 

Research and education in biodiversity conservation and sustainable use of marine environments of East Malaysia.

 

All of the big fish species are disappearing from the reefs in Sabah. A 99% fall in numbers compared to similar but unfished reefs is very serious overfishing. These fish stock will not recover unless serious action is taken.

 

POPULATION DECLINES IN LARGE FISH STOCKS ON FISHED REEFS IN SABAH

FISH SPECIES COMMON NAME % DECLINE IN POPULATION
Cephalopholis argus Peacock grouper 97.09%
Cephalopholis miniata Coral grouper 99.50%
Epinephelus polyphekadio Camouflage grouper 99.25%
Plectropomus leopardus Leopard grouper }
Plectropomus laevis Saddleback grouper } 97.26%
Plectropomus areolatus Squaretail coral trout }
Lethrinus olivaceus Longnose emperor 100.00%
Macolor niger Black snapper } 97.54%
Macolor macularis Midnight snapper }
All Plectrorhincus species Sweetlips 92.39%
Monotaxis grandoculis Big eye emperor 95.63%
Lutjanus bohar Red bass 98.09%
Cheilinus undulatus Humphead wrasse 99.91%
Pseudobalistes flavimarginatus Yellowmargin / Pink face triggerfish 100.00%
Balistoides viridescens Titan triggerfish 99.69%

 

With this level of overfishing for the largest fish species it is not surprising that fisheries in Sabah have fallen by 74% over the last 20 years. Click here to see areas surveyed.

 

 

FISH POPULATIONS AROUND SABAH

 

 

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THE FISH

 

TO VIEW

 

ITS

 

DISTRIBUTION

 

 

 

|POPULATION DECLINES IN LARGE FISH STOCKS|  |GROUPER SIZES IN AREAS WITH AND WITHOUT FISHING|  |CYANIDE FISHING|   |BLAST FISHING|