
Trepanging is the act of collection or harvesting of
sea cucumbers
Sea cucumbers are echinoderms from the class Holothuroidea (). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The number of holothuri ...
, known in
Indonesian
Indonesian is anything of, from, or related to Indonesia, an archipelagic country in Southeast Asia. It may refer to:
* Indonesians, citizens of Indonesia
** Native Indonesians, diverse groups of local inhabitants of the archipelago
** Indonesia ...
as ''trepang'',
Malay těripang, and
used as food.
The collector, or fisher, of ''trepang'' is a trepanger.
Trepanging is comparable to
clamming
Clam digging is a North American term for a common way to harvest clams (edible infaunal bivalve mollusks) from below the surface of the tidal sand flats or mud flats where they live. It is done both recreationally (for enjoyment or as a s ...
,
crabbing
Crab fisheries are fisheries which capture or farm crabs. True crabs make up 20% of all crustaceans caught and farmed worldwide, with about 1.4 million tonnes being consumed annually. The horse crab, '' Portunus trituberculatus'', accounts for ...
,
lobstering,
mussel
Mussel () is the common name used for members of several families of bivalve molluscs, from saltwater and freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other edible clams, whic ...
ing,
shrimping and other forms of "
fishing
Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment, but may also be caught from stocked bodies of water such as ponds, canals, park wetlands and reservoirs. Fishing techniques ...
" whose goal is the acquisition of edible
invertebrate
Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordate ...
s rather than
fish
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% ...
.
History
To supply the markets of
Southern China
South China () is a geographical and cultural region that covers the southernmost part of China. Its precise meaning varies with context. A notable feature of South China in comparison to the rest of China is that most of its citizens are not ...
,
Makassarese trepangers traded with the
Aboriginal Australians
Aboriginal Australians are the various Indigenous peoples of the Mainland Australia, Australian mainland and many of its islands, such as Tasmania, Fraser Island, Hinchinbrook Island, the Tiwi Islands, and Groote Eylandt, but excluding the T ...
of
Arnhem Land
Arnhem Land is a historical region of the Northern Territory of Australia, with the term still in use. It is located in the north-eastern corner of the territory and is around from the territory capital, Darwin. In 1623, Dutch East India Company ...
from at least the 18th century or likely prior. This
Makassan contact with Australia
Makassar people from the region of Sulawesi in Indonesia began visiting the coast of northern Australia sometime around the middle of the 18th century, first in the Kimberley region, and some decades later in Arnhem Land. They were men who co ...
is the first recorded example of interaction between the inhabitants of the
Australian continent and their Asian neighbours.
This contact had a major
impact on the Indigenous Australians. The Makassarese exchanged goods such as
cloth
Textile is an umbrella term that includes various fiber-based materials, including fibers, yarns, filaments, threads, different fabric types, etc. At first, the word "textiles" only referred to woven fabrics. However, weaving is not the ...
,
tobacco
Tobacco is the common name of several plants in the genus '' Nicotiana'' of the family Solanaceae, and the general term for any product prepared from the cured leaves of these plants. More than 70 species of tobacco are known, but the ch ...
,
knives
A knife ( : knives; from Old Norse 'knife, dirk') is a tool or weapon with a cutting edge or blade, usually attached to a handle or hilt. One of the earliest tools used by humanity, knives appeared at least 2.5 million years ago, as evidenced ...
,
rice
Rice is the seed of the grass species '' Oryza sativa'' (Asian rice) or less commonly '' Oryza glaberrima'' (African rice). The name wild rice is usually used for species of the genera '' Zizania'' and ''Porteresia'', both wild and domestica ...
and
alcohol
Alcohol most commonly refers to:
* Alcohol (chemistry), an organic compound in which a hydroxyl group is bound to a carbon atom
* Alcohol (drug), an intoxicant found in alcoholic drinks
Alcohol may also refer to:
Chemicals
* Ethanol, one of sev ...
for the right to trepang coastal waters and employ local labour. Makassar
pidgin
A pidgin , or pidgin language, is a grammatically simplified means of communication that develops between two or more groups of people that do not have a language in common: typically, its vocabulary and grammar are limited and often drawn from s ...
became a ''
lingua franca'' along the north coast among different Indigenous Australian groups who were brought into greater contact with each other by the seafaring Makassan culture.
Archeological remains of Makassan contact, including trepang processing plants from the 18th and 19th centuries, are still found at Australian locations such as
Port Essington
Port Essington is an inlet and historic site located on the Cobourg Peninsula in the Garig Gunak Barlu National Park in Australia's Northern Territory. It was the site of an early attempt at British settlement, but now exists only as a remot ...
and
Groote Eylandt
Groote Eylandt ( Anindilyakwa: ''Ayangkidarrba'' meaning "island" ) is the largest island in the Gulf of Carpentaria and the fourth largest island in Australia. It was named by the explorer Abel Tasman in 1644 and is Dutch for "Large Island" i ...
, and the Makasar-planted
tamarind
Tamarind (''Tamarindus indica'') is a leguminous tree bearing edible fruit that is probably indigenous to tropical Africa. The genus ''Tamarindus'' is monotypic, meaning that it contains only this species. It belongs to the family Fabaceae. ...
trees (native to
Madagascar
Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
and
East Africa
East Africa, Eastern Africa, or East of Africa, is the eastern subregion of the African continent. In the United Nations Statistics Division scheme of geographic regions, 10-11-(16*) territories make up Eastern Africa:
Due to the histori ...
).
Methods
Slow-moving creatures related to
sea star
Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea (). Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or basket stars. Starfish ...
s and
sea urchin
Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seashore down to . The spherical, hard shells (tests) ...
s, sea cucumbers are found on the
sea floor
The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean. All floors of the ocean are known as 'seabeds'.
The structure of the seabed of the global ocean is governed by plate tectonics. Most of ...
. As such, trepanging is accomplished by
spear
A spear is a pole weapon consisting of a shaft, usually of wood, with a pointed head. The head may be simply the sharpened end of the shaft itself, as is the case with fire hardened spears, or it may be made of a more durable material fasten ...
ing,
diving
Diving most often refers to:
* Diving (sport), the sport of jumping into deep water
* Underwater diving, human activity underwater for recreational or occupational purposes
Diving or Dive may also refer to:
Sports
* Dive (American football), ...
,
dredging
Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigability, and commercial use; constructing d ...
or simply picking the animals up by hand when they are exposed at
low tide
Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another.
Tide tables ...
.
Traditionally, sea cucumbers were placed in
boiling water before being
dried and
smoked before going to market.
Commerce

Trepanging is an economically important activity in some areas, particularly
Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
. Sea cucumber is considered a delicacy in
Far East
The ''Far East'' was a European term to refer to the geographical regions that includes East and Southeast Asia as well as the Russian Far East to a lesser extent. South Asia is sometimes also included for economic and cultural reasons.
The te ...
countries such as
Malaysia
Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
,
China,
Japan, and
Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
.
Besides being valued for flavour-enhancing properties, sea cucumber is widely regarded as a
stimulant
Stimulants (also often referred to as psychostimulants or colloquially as uppers) is an overarching term that covers many drugs including those that increase activity of the central nervous system and the body, drugs that are pleasurable and inv ...
and
aphrodisiac
An aphrodisiac is a substance that increases sexual desire, sexual attraction, sexual pleasure, or sexual behavior. Substances range from a variety of plants, spices, foods, and synthetic chemicals. Natural aphrodisiacs like cannabis or coca ...
. There is evidence that its reputed
medicinal
Medicine is the science and practice of caring for a patient, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care practic ...
properties may be true.
Based upon the belief in the healing properties of sea cucumber,
pharmaceutical
A medication (also called medicament, medicine, pharmaceutical drug, medicinal drug or simply drug) is a drug used to diagnose, cure, treat, or prevent disease. Drug therapy ( pharmacotherapy) is an important part of the medical field and ...
and
cosmetics
Cosmetics are constituted mixtures of chemical compounds derived from either natural sources, or synthetically created ones. Cosmetics have various purposes. Those designed for personal care and skin care can be used to cleanse or protec ...
companies have developed pills, oils, and creams based on extracts. The effectiveness of sea cucumber extract in tissue repair has been the subject of scientific study.
See also
*
Sama-Bajau peoples
The Sama-Bajau include several Austronesian ethnic groups of Maritime Southeast Asia. The name collectively refers to related people who usually call themselves the Sama or Samah (formally A'a Sama, "Sama people"); or are known by the exony ...
*
Gamat
*
Carronade Island
*
Macassan contact with Australia
Makassar people from the region of Sulawesi in Indonesia began visiting the coast of northern Australia sometime around the middle of the 18th century, first in the Kimberley region, and some decades later in Arnhem Land. They were men who co ...
*
Pobasso
Pobasso, also spelt Probasso or Pobassoo, was the chief of a division of the Makassan fleet of perahu in the waters between northern Australia and Indonesia in the late 1700s and early 1800s. The fleet harvested trepang, or sea cucumber, trad ...
*
MOU Box
The MOU Box, or sometimes the MOU 74 Box, refers to a rectangular tract of marine waters in the Timor Sea, lying within Australia's Exclusive Economic Zone, that is subject to a 1974 memorandum of understanding (MoU), and subsequent agreements ...
*
Padewakang
Padewakang were traditional boats used by the Bugis, Mandar, and Makassar people of South Sulawesi. Padewakang were used for long distance voyages serving the south Sulawesi kingdoms.
Etymology
No-one quite seems to know the origin of the name ...
, a type of perahu used by trepangers
*
Patorani
Patorani (also prauw patorani or perahu patorani) is a traditional fishing boat from Makassar, Indonesia. It is used by Macassan people for fishing, transport, and trading since at least 17th century A.D. Historically this type of boat was used by ...
, another type of perahu used by trepangers
References
{{Austronesian ships
Fishing techniques and methods
History of Australia before 1788
Echinoderms and humans
Sea cucumbers as food