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''Lagocephalus inermis'', known as the smooth blaasop, 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), ...
of pufferfish in the family
Tetraodontidae Tetraodontidae is a family of marine and freshwater fish in the order Tetraodontiformes. The family includes many familiar species variously called pufferfish, puffers, balloonfish, blowfish, blowers, blowies, bubblefish, globefish, swellfish, ...
native to the Indo-Pacific. It is a marine species that ranges from
Algoa Bay Algoa Bay is a maritime bay in the Eastern Cape, South Africa. It is located on the east coast, east of the Cape of Good Hope. Algoa Bay is bounded in the west by Cape Recife and in the east by Cape Padrone. The bay is up to deep. The harbour ...
in
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
to 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 ...
, where it occurs at a depth range of 10 to 200 m (33 to 656 ft) and inhabits the edge of the
continental shelf A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an islan ...
. It is a very large pufferfish, reaching 90 cm (35.4 inches) SL. It closely resembles the Atlantic species '' Lagocephalus laevigatus'', but it can be distinguished from that species by its black gill opening. Additionally, it does not overlap in range with ''L. laevigatus''. It is reported to be
demersal The demersal zone is the part of the sea or ocean (or deep lake) consisting of the part of the water column near to (and significantly affected by) the seabed and the benthos. The demersal zone is just above the benthic zone and forms a layer o ...
and
oviparous Oviparous animals are animals that reproduce by depositing fertilized zygotes outside the body (i.e., by laying or spawning) in metabolically independent incubation organs known as eggs, which nurture the embryo into moving offsprings kno ...
.


References

Tetraodontidae Lagocephalus Fish described in 1850 {{Tetraodontiformes-stub