strait
A strait is an oceanic landform connecting two seas or two other large areas of water. The surface water generally flows at the same elevation on both sides and through the strait in either direction. Most commonly, it is a narrow ocean channe ...
in the
Western Visayas
Western Visayas ( hil, Kabisay-an Nakatundan; tl, Kanlurang Kabisayaan or ''Kanlurang Visayas'') is an administrative region in the Philippines, numerically designated as Region VI. It consists of six provinces (Aklan, Antique, Capiz, Guimara ...
region of the
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
, connecting the
Visayan Sea
The Visayan Sea is a sea in the Philippines surrounded by the islands of the Visayas. It is bounded by the islands Masbate to the north, Panay to the west, Leyte to the east, and Cebu and Negros to the south.
The sea is connected to several bod ...
with the
Panay Gulf
Panay Gulf is an extension of the Sulu Sea, reaching between the islands of Panay and Negros in the Philippines. The gulf contains the island-province of Guimaras and extends into the Iloilo Strait, between Panay and Guimaras, and into Guimaras ...
and
Sulu Sea
The Sulu Sea ( fil, Dagat Sulu; Tausug: ''Dagat sin Sūg''; Chavacano: ''Mar de Sulu''; Cebuano: ''Dagat sa Sulu''; Hiligaynon: ''Dagat sang Sulu''; Karay-a: ''Dagat kang Sulu''; Cuyonon: ''Dagat i'ang Sulu''; ms, Laut Sulu) is a body o ...
beyond. To the north and west are
Panay
Panay is the sixth-largest and fourth-most populous island in the Philippines, with a total land area of and has a total population of 4,542,926 as of 2020 census. Panay comprises 4.4 percent of the entire population of the country. The City o ...
and
Guimaras
Guimaras , officially the Province of Guimaras ( hil, Kapuoran sang Guimaras; tl, Lalawigan ng Guimaras), is an island province in the Philippines located in the Western Visayas region. Its capital is Jordan while its largest local government ...
Islands, while
Negros Island
Negros is the fourth largest and third most populous island in the Philippines, with a total land area of . Negros is one of the many islands of the Visayas, in the central part of the country. The predominant inhabitants of the island region a ...
is to the south and east.
Bacolod
Bacolod, officially the City of Bacolod (; hil, Dakbanwa/Syudad sang Bacolod; fil, Lungsod ng Bacolod), is a 1st class highly urbanized city in the region of Western Visayas, Philippines. It is the capital of the province of Negros Occidenta ...
City is a major seaport on the strait, which also provides access to the
Port of Iloilo
The Port of Iloilo (Spanish: ''Puerto de Iloilo'') in Iloilo City, Philippines, serves the province and city of Iloilo and the entire Panay Island, in Western Visayas of the Philippines. It is located away from the older port facilities on t ...
City via the
Iloilo Strait
The Iloilo Strait is a strait in the Philippines that separates the islands of Panay and Guimaras in the Visayas, and connects the Panay Gulf with the Guimaras Strait. It is the location of the Port of Iloilo, the third-busiest of the ports in the ...
.
Marine species
The Guimaras Strait is an important fishing ground in the Philippines, having an average of annual fish production of 50,000 metric tons. The northern part is particularly known for
blue crab Blue crab may refer to:
* Blue Crab 11, an American sailboat design
* ''Callinectes sapidus'' – Chesapeake or Atlantic blue crab of the West Atlantic, introduced elsewhere
* ''Cardisoma guanhumi'' – blue land crab of the West Atlantic
* '' Disc ...
, a top export commodity.
Other species present in the strait include
barracuda
A barracuda, or cuda for short, is a large, predatory, ray-finned fish known for its fearsome appearance and ferocious behaviour. The barracuda is a saltwater fish of the genus ''Sphyraena'', the only genus in the family Sphyraenidae, which was ...
clam
Clam is a common name for several kinds of bivalve molluscs. The word is often applied only to those that are edible and live as infauna, spending most of their lives halfway buried in the sand of the seafloor or riverbeds. Clams have two she ...
dolphin
A dolphin is an aquatic mammal within the infraorder Cetacea. Dolphin species belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the ...
,
flounder
Flounders are a group of flatfish species. They are demersal fish, found at the bottom of oceans around the world; some species will also enter estuaries.
Taxonomy
The name "flounder" is used for several only distantly related species, thou ...
s,
flying fish
The Exocoetidae are a family of marine fish in the order Beloniformes class Actinopterygii, known colloquially as flying fish or flying cod. About 64 species are grouped in seven to nine genera. While they cannot fly in the same way a bird do ...
,
fusilier
Fusilier is a name given to various kinds of soldiers; its meaning depends on the historical context. While fusilier is derived from the 17th-century French language, French word ''fusil'' – meaning a type of flintlock musket – the term has ...
s,
glassfish
GlassFish is an open-source Jakarta EE platform application server project started by Sun Microsystems, then sponsored by Oracle Corporation, and now living at the Eclipse Foundation and supported by Payara, Oracle and Red Hat. The supported v ...
,
goatfish
The goatfishes are perciform fish of the family Mullidae. The family is also sometimes referred to as the red mullets, which also refers more narrowly to the genus '' Mullus''.
The family name and the English common name mullet derived from La ...
,
goby
Goby is a common name for many species of small to medium sized ray-finned fish, normally with large heads and tapered bodies, which are found in marine, brackish and freshwater environments. Traditionally most of the species called gobies have b ...
,
grouper
Groupers are fish of any of a number of genera in the subfamily Epinephelinae of the family Serranidae, in the order Perciformes.
Not all serranids are called "groupers"; the family also includes the sea basses. The common name "grouper" is u ...
jelly fish
Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella- ...
,
lizard fish
The Synodontidae or lizardfishes(or typical lizardfish to distinguish them from the Bathysauridae and Pseudotrichonotidae) are benthic (bottom-dwelling) marine and estuarine bony fishes that belong to the aulopiform fish order, a diverse group ...
,
marine turtle
Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, are reptiles of the order Testudines and of the suborder Cryptodira. The seven existing species of sea turtles are the flatback, green, hawksbill, leatherback, loggerhead, ...
,
milkfish
The milkfish (''Chanos chanos'') is the sole living species in the family Chanidae. However, there are at least five extinct genera from the Cretaceous.
The repeating scientific name (tautonym) is from Greek ( ‘mouth’).
The species has many ...
,
mojarra
The mojarras are a family, Gerreidae, of fish in the order Perciformes. The family includes about 53 species found worldwide in tropical and warm temperate regions. They mostly inhabit coastal salt and brackish waters, although some occur in fr ...
moray
Moray () gd, Moireibh or ') is one of the 32 local government council areas of Scotland. It lies in the north-east of the country, with a coastline on the Moray Firth, and borders the council areas of Aberdeenshire and Highland.
Between 1975 ...
mussel
Mussel () is the common name used for members of several families of bivalve molluscs, from saltwater and Freshwater bivalve, freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other ...
s,
scallop
Scallop () is a common name that encompasses various species of marine bivalve mollusks in the taxonomic family Pectinidae, the scallops. However, the common name "scallop" is also sometimes applied to species in other closely related families ...
s,
oyster
Oyster is the common name for a number of different families of salt-water bivalve molluscs that live in marine or brackish habitats. In some species, the valves are highly calcified, and many are somewhat irregular in shape. Many, but not al ...
sea bass
Sea bass is a common name for a variety of different species of marine fish. Many fish species of various families have been called sea bass.
In Ireland and the United Kingdom, the fish sold and consumed as sea bass is exclusively the European ba ...
,
sea catfish
The Ariidae or ariid catfish are a family of catfish that mainly live in marine waters with many freshwater and brackish water species. They are found worldwide in tropical to warm temperate zones. The family includes about 143 species.
Taxono ...
,
sea cucumber
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 holothuria ...
,
sea perch Sea perch, sea-perch or seaperch are the common names of various fishes, including:
* Fishes of the family Sebastidae, especially those of the genus ''Sebastes
''Sebastes'' is a genus of marine ray-finned fish belonging to the subfamily Sebasti ...
es,
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) of ...
s,
seaweed
Seaweed, or macroalgae, refers to thousands of species of macroscopic, multicellular, marine algae. The term includes some types of '' Rhodophyta'' (red), ''Phaeophyta'' (brown) and ''Chlorophyta'' (green) macroalgae. Seaweed species such as ...
sicklefish
''Drepane'' is a genus of fishes known commonly as the sicklefishes. It is the only genus in the perciform fish family Drepaneidae. These fish occur in the Indian and western Pacific Oceans, and in the eastern Atlantic near Africa.
Species
The ...
sillago
''Sillago'' is a genus of fish in the family Sillaginidae and the only non-monotypic genus in the family. Distinguishing the species can be difficult, with many similar in appearance and colour, forcing the use of swim bladder morphology as a d ...
,
slipmouth
Leiognathidae, the ponyfishes, slipmouths or slimys / slimies, are a small family of fishes in the order Perciformes. They inhabit marine and brackish waters in the Indian and West Pacific Oceans. They can be used in the preparation of '' bagoong ...
spadefish
Ephippidae is a family containing the spadefishes, with about eight genera and a total of 20 marine species. Well-known species include the Atlantic spadefish (''Chaetodipterus faber'') and the reef-dwelling genus ''Platax'', the batfishes, whic ...
,
sponge
Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through t ...
threadfin
Threadfins are silvery grey perciform fish of the family Polynemidae. Found in tropical to subtropical waters throughout the world, the threadfin family contains eight genera and about 40 species. An unrelated species sometimes known by the name ...
, and
wrasse
The wrasses are a family, Labridae, of marine fish, many of which are brightly colored. The family is large and diverse, with over 600 species in 81 genera, which are divided into 9 subgroups or tribes.
They are typically small, most of them le ...
s.
Environmental issues
The
Guimaras oil spill
On August 11, 2006, an oil spill occurred in Panay Gulf when the oil tanker, MT ''Solar 1'', sank off the coasts of Guimaras and Negros in the Philippines, causing what is considered to be the worst oil spill in the country's history.
Backgroun ...
, that occurred in the
Panay Gulf
Panay Gulf is an extension of the Sulu Sea, reaching between the islands of Panay and Negros in the Philippines. The gulf contains the island-province of Guimaras and extends into the Iloilo Strait, between Panay and Guimaras, and into Guimaras ...
on August 11, 2006, has severely affected the fishing industry. During this spill, considered Philippines' worst, the oil tanker M/T ''Solar 1'' sank during a violent storm, spilling some of oil which formed an oil slick that drifted through the strait. This spill followed another one in December 2005, when a passenger ship ran aground in the strait. It spilled of fuel oil, polluting some of coastline and of virgin mangrove forests.
Besides these oil spills, the ecosystems of the Guimaras Strait also suffer from rapid coastal development and
overfishing
Overfishing is the removal of a species of fish (i.e. fishing) from a body of water at a rate greater than that the species can replenish its population naturally (i.e. the overexploitation of the fishery's existing fish stock), resulting in th ...
. Increased urban populations and transportation are causing
anthropogenic
Anthropogenic ("human" + "generating") is an adjective that may refer to:
* Anthropogeny, the study of the origins of humanity
Counterintuitively, anthropogenic may also refer to things that have been generated by humans, as follows:
* Human im ...
sustainable yield
The sustainable yield of natural capital is the ecological yield that can be extracted without reducing the base of capital itself, i.e. the surplus required to maintain ecosystem services at the same or increasing level over time. The term only ...