''Mahidolia mystacina'', the flagfin prawn goby, flagfin shrimpgoby or smiling goby, is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

goby The Gobioidei are a suborder of percomorph fish. Many of these fishes are called gobies. It is by far the largest and most diverse order within the order Gobiiformes, and one of the most diverse groups of ray-finned fish in general. The subord ...

native to the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth#Surface, Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), ...

and the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

from

Delagoa Bay Delagoa is a marine ecoregion along the eastern coast of Africa. It extends along the coast of Mozambique and South Africa from the Bazaruto Archipelago (21°14’ S) to Lake St. Lucia in South Africa (28° 10' S) in South Africa's Kwazulu-Nat ...

Mozambique Mozambique, officially the Republic of Mozambique, is a country located in Southeast Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west, and Eswatini and South Afr ...

to the

Society Islands The Society Islands ( , officially ; ) are an archipelago in the South Pacific Ocean that includes the major islands of Tahiti, Mo'orea, Moorea, Raiatea, Bora Bora and Huahine. Politically, they are part of French Polynesia, an overseas country ...

and from southern

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

Samoa Samoa, officially the Independent State of Samoa and known until 1997 as Western Samoa, is an island country in Polynesia, part of Oceania, in the South Pacific Ocean. It consists of two main islands (Savai'i and Upolu), two smaller, inhabited ...

and northern

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

. This species occurs in marine and brackish waters, being found in coastal bays, estuaries and

reef A reef is a ridge or shoal of rock, coral, or similar relatively stable material lying beneath the surface of a natural body of water. Many reefs result from natural, abiotic component, abiotic (non-living) processes such as deposition (geol ...

bases where the bottom is silty or muddy at depths of from . This species is a

commensal Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed. This is in contrast with mutualism, in which both organisms benefit f ...

with a species of alpheid shrimp, using its burrow as its home. This species can reach a length of TL. This species can also be found in the

aquarium An aquarium (: aquariums or aquaria) is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. fishkeeping, Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aquati ...

trade. It was first discovered at the mouth of the Chanthaburi River, Amphoe Laem Sing, Chanthaburi Province,

Eastern Thailand Eastern Thailand is a region of Thailand, bordering Cambodia in the east, Northeastern Thailand in the north, and Central Thailand in the west. Geography Eastern Thailand lies between the Sankamphaeng Range, which forms a natural border with ...

by H. M. Smith.

References

External links

*
''Mahidolia mystacina'' @ fishesofaustralia.net.au
{{Taxonbar, from=Q2503982 Gobiinae Fish of Mozambique Fish of Madagascar Marine fish of Southeast Asia Taxa named by Achille Valenciennes Fish described in 1837