Last update: Monday - 21st January 2019, 14 Jamadil Awal 1440
This website has been relaunched on Saturday, 3rd June 2017


~ Gamat & Timun Laut ~ 

 "Malaysian Marine Heritage"

Animal Planet - Sea Cucumber

"And We have made for you therein means of living and [for] those for whom you are not providers." 

"Dan Kami telah menjadikan padanya (bumi) sumber-sumber kehidupan untuk keperluanmu, dan (Kami ciptakan pula) makhluk-makhluk yang bukan kamu pemberi rezekinya."

(Surah Al-Ĥijr 15: 20)


At the moment, Malaysian Sea Cucumber Database has 10 sections: HOME page, Researcher & Collaborator, Research & Consultancy, Research Student, Research Supervision, Publication & Research History, Award & Recognition, Copyright & Reference, Contact Us, and Useful Links. This easy-to-access on-line reference has enabled a lot of people around the world including business owners, academics, and researchers to refer to and be up-to-date with available research and information on Malaysian sea cucumbers. The database has been recently recognised at the national level as well as at the international level. It is linked to the Malaysia Maritime Database (http://marin-dbase.com/) - a national maritime database in Malaysia which contains various information on the expertise, experts, institutions, and companies pertaining to maritime education and industries.  At the international level, the database can be accessed worldwide from the US National Science Foundation (NSF)-sponsored project i.e. the Systema Aspidochirotidae database (http://www.guammarinelab.com/peetcukes/index.html).


Sea cucumber (aka sea cuke), holothurian or holothuroid belongs to phylum Echinodermata. This soft-bodied marine-dwelling echinoderm from class Holothuroidea is unique due to the existence of evolved skeleton (i.e. ossicles or spicules) and ancient-looked respiratory system called respiratory tree possessed by a few species.  

    In Malaysia, sea cucumbers from other than family Stichopodidae e.g. genera of Holothuria, Actinopyga, Pearsonothuria, and Bohadschia are commonly known as bat, balat, and timun laut. They are also sometimes known as brunok, and hoi sum or hai shen by the Chinese community, which means "sea ginseng" - a reference to its healing propertiesStichopus species e.g. Stichopus horrens and Stichopus herrmanni, frequently used as the main raw material in the traditional medicine (i.e. gamat oil and gamat water/fluid) especially in Peninsular Malaysia, West Malaysia are locally known as gamat. Thelenota species e.g. Thelenota ananas and Thelenota anax, and other species of family Stichopodidae are also called gamat. The same commercial name is used by the Sabah and Sarawak residents in East Malaysia. In fact, there are different definitions of gamat from previous studies in Malaysia (i.e. from 1985 until June 2011), and the most appropriate definition is that gamat is exclusively referred to the sea cucumbers of family Stichopodidae, as mentioned above

All The R-Age@CAMPUS Column, The Star newspaper, Thursday 4th October 2007 - Page 6

    In Sabah, East Malaysia the sea cucumbers inclusive of gamat are commercially marketed as food, and there are minor uses as fishing poison (e.g. holothurins from Holothuria atra) and in the traditional medication. Approximately 155 tonnes of sea cucumbers were landed in 1995 as estimated by the Sabah Fisheries Department. According to Choo (2008), there were 19 commercial Malaysian sea cucumber species from the gamat and timun laut species. However, the use of sea cucumbers in Sarawak, East Malaysia is not well documented and the information on the species presence and distribution is sparse. It was reported by Hashim (1993) that the Sarawak fishermen used brunok (Acaudina molpadioides (Semper, 1867)) as fishing bait.

Beche-de-mer in Sabah, Malaysia

    Basically, there are 2 main economic practices of sea cucumbers in Malaysia: an important source of traditional medicine (i.e. gamat lipid extracts and gamat water extracts) as well as modern medicine in Peninsular Malaysia, West Malaysia and an important source in the food industry in Sabah, East Malaysia. 

    Several studies related to sea cucumbers (Echinodermata: Holothuroidea) in Malaysia have been published since 1985. The earliest study documented in Malaysia on the distribution of sea cucumbers using morphological characteristics was conducted by Ridzwan Hashim (Professor of International Islamic University Malaysia) and Che Bashah Che Chat in 1985. In fact, molecular approaches are capable of providing insights into the phylogeny of sea cucumbers and can support the outcomes of traditional morphological approaches, and a number of molecular ecological studies have also been recorded in Malaysia since 1999.




Kamarul Rahim Kamarudin, Maryam Mohamed Rehan, Hanina Mohd Noor, Nur Zazarina Ramly and ‘Aisyah Mohamed Rehan (2016). 16S rRNA Barcoding Technique for Species Identification of Processed Sea Cucumbers from selected Malaysian Markets. Journal of Science and Mathematics Letters 4(2016): 10-23. ISSN 2462-2052. December 2016 (Malaysia). Corresponding author: Kamarul Rahim Kamarudin. Indexation status: MyJurnal, Malaysian Citation Index (MYCITE). Impact factor: 0.


Kamarul Rahim Kamarudin, Gires Usup, Ridzwan Hashim and Maryam Mohamed Rehan (2015). Sea Cucumber (Echinodermata: Holothuroidea) Species Richness at Selected Localities in Malaysia. Pertanika Journal of Tropical Agricultural Science 38(1): 7–32. ISSN 1511-3701. February 2015 (Malaysia). Corresponding author: Kamarul Rahim Kamarudin. Indexation status: SCOPUS (Elsevier), Thomson (ISI) Web of Knowledge [BIOSIS & CAB Abstracts], EBSCO, DOAJ, Google Scholar, AGRICOLA, ISC, Citefactor, Rubriq and MyAIS. Impact factor: 0.

Kamarul Rahim Kamarudin (2006). Phylogeny of Sea Cucumber (Echinodermata: Holothuroidea) in Malaysia as Inferred from 16S Mitochondrial rRNA Gene Sequences. Masters Dissertation, University Kebangsaan Malaysia. Corresponding author: Kamarul Rahim Kamarudin. (Technical paper). 

Choo, P.S. (2008). Population status, fisheries and trade of sea cucumbers in Asia. In: Sea cucumbers. A global review of fisheries and trade. Toral-Granda V, Lovatelli A and Vasconcellos M (eds). FAO Fisheries and Aquaculture Technical Paper. No. 516. P. 81-118.

Ridzwan Hashim and Che Bashah Che Chat (1985). Tinjauan awal taburan dan penilaian holothurian di beberapa kawasan perairan Sabah sebagai sumber pemakanan. SUMBER I: 143-155.


Kamarul Rahim Kamarudin, Maryam Mohamed Rehan, and ‘Aisyah Mohamed Rehan.  (2018). Species identification and molecular phylogenetics of processed sea cucumbers from Malaysian market based on 12S mitochondrial rRNA gene. Pertanika Journal of Tropical Agricultural Science 41(4): 1833-1851. ISSN 15113701. November 2018 (Malaysia). Corresponding author: Kamarul Rahim Kamarudin. Indexation status: SCOPUS (Elsevier), Thomson (ISI) Web of Knowledge [BIOSIS & CAB Abstracts], EBSCO & EBSCOhost, DOAJ, Agricola, Cabell’s Directories, Google Scholar, MyAIS, ISC & Rubriq (Journal Guide). Impact factor: 0. - PDF

Kamarul Rahim Kamarudin, Fatin Najihah Muhd Lutfi, Mohd Zulhafiz Che Zahri, and Maryam Mohamed Rehan (2018). Uncommon ossicle in Holothuria (Mertensiothuria) leucospilota from Teluk Nipah, Pangkor Island. Malaysian Journal of Science, Health and Technology (MJoSHT). 2(Special Issue): 1-3.  eISSN: 2601-0003. 1 November 2018 (Malaysia). Corresponding author: Kamarul Rahim Kamarudin. Indexation status: Google Scholar. Impact factor: 0. - PDF

Kamarudin, K.R. and Mohamed Rehan, M. (2018). Gram-positive bacteria with commercial potentials from the gastrointestines of Holothuria (Mertensiothuria) leucospilota (Timun laut) and Stichopus horrens (Gamat) from Malaysia waters. Pertanika Journal of Tropical Agricultural Science. 41(2): 605-619. ISSN 1511-3701. May 2018 (Malaysia). Corresponding author: Kamarul Rahim Kamarudin. Indexation status: SCOPUS (Elsevier), Thomson (ISI) Web of Knowledge [BIOSIS & CAB Abstracts], EBSCO & EBSCOhost, DOAJ, Agricola, Cabell’s Directories, Google Scholar, MyAIS, ISC & Rubriq (Journal Guide). Impact factor: 0. - PDF

Fatin Najihah Muhammad Lutfi, Maryam Mohamed Rehan, Kamarul Rahim Kamarudin, Mohd Zulhafiz Che Zahri, Hanina Mohd Noor and Salina Mat Radzi. (2018). Identification of Bacteria Associated with Holothuria (Mertensiothuria) leucospilota from Pangkor Island. Malaysian Applied Biology. 47(2): 95-101. ISSN 0126-8643. May 2018 (Malaysia). Corresponding author: Maryam Mohamed Rehan. Indexation status: SCOPUS (Elsevier), Thomson Reuters Master Journal List, Myjurnal, Biosis, Zoological Records and UDLedge Life Science Index. Impact factor: 0. - PDF 

More details of research documents on Malaysia's sea cucumbers are available on the following page:

- (G) Publications & Research History -

- For consultation & other matters, please contact: -

Lecturer Room 218, Level 3, Administration Building,
Department of Technology and Natural Resources,
Faculty of Applied Sciences and Technology (FAST),
Universiti Tun Hussein Onn Malaysia (UTHM),
Pagoh Campus, Pagoh Education Hub,
Km 1, Jalan Panchor 84600,
Muar, Johor Darul Takzim,

(+6) 06-974 2129 Ext. 5144


Dr. Kamarul Rahim Bin Kamarudin was born on the 15th April 1981 in Federal Territory of Kuala Lumpur, Malaysia. He is currently residing in Kuantan, Pahang Darul Makmur, Malaysia. He previously was a student of Universiti Kebangsaan Malaysia (UKM), UKM Bangi, Selangor Darul Ehsan, Malaysia obtained Master of Science in Marine Science from the Faculty of Science and Technology in 2006. Before that, he obtained Bachelor of Science (Hons) in Resource Biotechnology from Faculty of Resource Science and Technology (FRST), Universiti Malaysia Sarawak (UNIMAS), Kota Samarahan, Sarawak, Malaysia in 2003. From September 2014 until 5th June 2018, he was a Ph.D. student of Universiti Sains Islam Malaysia (USIM), Nilai, Negeri Sembilan Darul Khusus, Malaysia majoring in Food Biotechnology. His main research focus is on the genetics and food industry of marine-dwelling sea cucumber (Phylum Echinodermata: Class Holothuroidea), or commonly known as gamat and timun laut in Malaysia, and its associated microorganisms including food-grade pigment-producing bacteria. He has presented, published, and registered more than 120 research documents on species richness and genetics of Malaysian sea cucumber species; gut microbiota/microbiome in Malaysian sea cucumber species; microbial pigments produced by bacteria associated with Malaysian sea cucumber species (in search of natural food-grade microbial pigments to be exploited as natural food colourant); species identification and phylogenetic analyses of commercial sea cucumbers in Malaysian markets (involving processed sea cucumber) using mitochondrial DNA genes; and antioxidants, to mention a few.


KAMARUL RAHIM BIN KAMARUDIN - Visiting scientist of the Marine Laboratory, University of Guam (UOG), USA & Official invitee of NSF PEET Holothuroid Systematics Workshop, 7-16 June 2010 at the Marine Laboratory, UOG, USA.


Corresponding Author & Email Address:


- Physique481@yahoo.co.uk -


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Please direct all comments, corrections and inquiries regarding this website to the corresponding author.

You can also refer to us as follows:
Kamarul Rahim Kamarudin (ed) (2017). Malaysian Sea Cucumber Database. Available online at  http://sites.google.com/site/malaysianseacucumber/. Accessed on [date].

Kamarul Rahim Bin Kamarudin,
20 Jan 2019, 17:42