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Dasyatis Ushiei
''Dasyatis ushiei'', the cow stingray or Ushi stingray, is a species of stingray known from a single specimen. Based on the single specimen, its range includes at least Mikawa Bay, Aichi Prefecture, middle Japan. Due to the limited knowledge of its biology and extent of capture in fisheries, this species is assessed as Data Deficient in 2007. Molecular data from 2012 has confirmed that this species is a population of the Broad stingray The broad stingray (''Bathytoshia lata''), also known as the brown stingray or Hawaiian stingray, is a species of stingray in the family (biology), family Dasyatidae. They range across the Indo-Pacific from southern Africa to Hawaii, and are the .... References ushiei Fish of the Pacific Ocean Species known from a single specimen {{batoid-stub ...
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Mikawa Bay
Mikawa Bay (Landsat photo) Mikawa Bay (三河湾 ''Mikawa-wan'') is a bay to the south of Aichi Prefecture, Japan, surrounded by Chita Peninsula The Chita Peninsula (知多半島 ''Chita Hantō'') is a peninsula to the south of Aichi Prefecture, central Honshū, Japan. It runs approximately north-south. To the west is Ise Bay, while to the east it encloses Mikawa Bay. It faces the Atsu ... to the west and Atsumi Peninsula to the east and south. Its area is approximately 604 km2. Pollution of the shallow, enclosed waters of the bay has become a concern in recent years. Islands * Shinojima :ja:篠島 * Himakajima :ja:日間賀島 * Sakushima :ja:佐久島 * Tsukumijima * Nezujima * Takeshima :ja:竹島 (愛知県) * Kajishima :ja:梶島 * Butsu * Mikawa Oshima :ja:三河大島 * Mikawa Kojima * Maeshima :ja:前島 (愛知県) * Okishima :ja:沖島 (愛知県) * Himeshima :ja:姫島 (愛知県田原市) * Nojima Bays of Japan Landforms of Aichi Pref ...
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Aichi Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshū. Aichi Prefecture has a population of 7,461,111 () and a geographic area of with a population density of . Aichi Prefecture borders Mie Prefecture to the west, Gifu Prefecture and Nagano Prefecture to the north, and Shizuoka Prefecture to the east. Nagoya is the capital and largest city of the prefecture. Overview Nagoya is the capital and largest city of Aichi Prefecture, and the Largest cities in Japan by population by decade, fourth-largest city in Japan. Other major cities include Toyota, Aichi, Toyota, Okazaki, Aichi, Okazaki, and Ichinomiya, Aichi, Ichinomiya. Aichi Prefecture and Nagoya form the core of the Chūkyō metropolitan area, the List of metropolitan areas in Japan, third-largest metropolitan area in Japan and one of the largest metropolitan areas in the world. Aichi Prefecture is located on Japan's Pacific Ocean coast and forms part of the Tōkai region, a subregion of the ...
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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 in the south. The Japanese archipelago consists of four major islands—Hokkaido, Honshu, Shikoku, and Kyushu—and List of islands of Japan, thousands of smaller islands, covering . Japan has a population of over 123 million as of 2025, making it the List of countries and dependencies by population, eleventh-most populous country. The capital of Japan and List of cities in Japan, its largest city is Tokyo; the Greater Tokyo Area is the List of largest cities, largest metropolitan area in the world, with more than 37 million inhabitants as of 2024. Japan is divided into 47 Prefectures of Japan, administrative prefectures and List of regions of Japan, eight traditional regions. About three-quarters of Geography of Japan, the countr ...
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Broad Stingray
The broad stingray (''Bathytoshia lata''), also known as the brown stingray or Hawaiian stingray, is a species of stingray in the family (biology), family Dasyatidae. They range across the Indo-Pacific from southern Africa to Hawaii, and are the predominant species of stingray in the inshore waters of the Hawaiian Islands. This benthic fish also inhabits sandy or muddy flats at depths greater than in the Eastern Atlantic, from southern France to Angola, including the Mediterranean Sea. Usually growing to across, the broad stingray has a wide, diamond-shaped pectoral fin disc with a protruding snout tip and a long tail with a ventral fin fold. At night, this species actively forages for benthic, bottom-dwelling invertebrates and bony fishes, often near the boundaries of reefs. Reproduction is aplacental viviparous. As substantial threats to its population exist in many areas of its wide distribution, IUCN has listed this species as Vulnerable species, Vulnerable. Taxonomy and ph ...
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Dasyatis
''Dasyatis'' (Greek alphabet, Greek δασύς ''dasýs'' meaning wikt:rough, rough or Density, dense and βατίς ''batís'' meaning Skate (fish), skate) is a genus of stingray in the family (biology), family Dasyatidae that is native to the Atlantic, including the Mediterranean. In a 2016 Taxonomy (biology), taxonomic revision, many of the species formerly assigned to ''Dasyatis'' were reassigned to other genera (''Bathytoshia'', ''Fontitrygon'', ''Hemitrygon'', ''Hypanus'', ''Megatrygon'' and ''Telatrygon''). Species *''Blue stingray, Dasyatis chrysonota'' Andrew Smith (zoologist), A. Smith, 1828 (blue stingray) *''Giant stumptail stingray, Dasyatis gigantea'' (Georgii Ustinovich Lindberg, Lindberg, 1930) (giant stumptail stingray) *''Groovebelly stingray, Dasyatis hypostigma'' Hugo Ricardo Secioso Santos, H. R. S. Santos & Marcelo Rodrigues de Carvalho, M. R. de Carvalho, 2004 (groovebelly stingray) *''Dasyatis marmorata'' Franz Steindachner, Steindachner, 1892 (marbled s ...
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Fish Of The Pacific Ocean
A fish (: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits. Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians. In a break to the long tradition of grouping all fish into a single class (Pisces), modern phylogenetics views fish as a paraphyletic group. Most fish are cold-blooded, their body temperature varying with the surrounding water, though some large active swimmers like white shark and tuna can hold a higher core temperature. Many fish can communicate acoustically with each other, such as during courtship displays. The study of fish is known as ichthyology. The earliest fish appeared during the Cambrian as small filter feeders; they continued to evolve through the Paleozoic, diversifying into many forms. The earliest fi ...
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