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Marine Fish Case Study

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CHAPTER 1: INTRODUCTION
1.1 Background
1.1.1 Fish Species in Malaysia
Fish has always been one of an essential protein’s source to mankind (Schroder T. Ed., 2013), various minerals (Seafish, 2013) and supply high quality animal protein required for all ages’ diet (Oladipo and Bankole, 2013). Global food supply in 2000 was provided by fisheries (fish and fish products) by more than 15% of total animal protein (Ward R. D. et al., 2005). Fish has been considered as the most crucial seafood as it offers about 85% of Malaysian total seafood source (Chowdhurya M. A. and K. Yahya, 2012). At present, fish represents the most widely studied group of aquatic metazoans (Bucklin A., Steinke D. & Blanco-Bercial L., 2011).
According to FishBase.org (2012), there are about 1344 marine fish species available in Malaysia saltwater. However, due to its high demands worldwide, this species is now facing threats as it declines in stock and some are even considered endangered or extinct (Schroder T. Ed., 2013). World Wildlife Fund (WWF)-Malaysia (2012) estimates that there might be no more fish to catch in 35 years onward in Malaysia marine waters.
Chowdhurya M. A. and K. Yahya (2012) suggested that there was a decrease of the …show more content…

It was estimated that about 30 000 fish species recorded worldwide by FishBase and they are very diverse, including cartilaginous fishes to bony fishes, ancient jawless to modern fish species (Ward R. D. et al., 2005). ‘Ray-finned’ fishes or better known as Actinopterygians own lepidotrichia or fin rays in which their fins being webs of skin and are held by bony spines that connect these fins to the internal skeleton (Jonna, J. R., 2004). The Actinopteryngii are the most successful and largest fish group, constitute half of all living vertebrates (Weitzman S. H., 2015) and make up the most part of the largely aquatic Gnathostomata (jawed vertebrates) (Ax P.,

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