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''Haliotis discus'', commonly called disk abalone or Edo abalone, is a
* ''Haliotis discus discus'' Reeve, 1846
* ''Haliotis discus hannai'' Ino, 1953 (sometimes wrongly identified as ''Haliotis kamtschatkana kamtschatkana'' Jonas, 1845, to which it is very similar)
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of abalone
Abalone ( or ; via Spanish , from Rumsen ''aulón'') is a common name for any of a group of small to very large marine gastropod molluscs in the family (biology), family Haliotidae. Other common name
In biology, a common name of a taxon o ...
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
.
Subspecies
* ''Haliotis discus discus'' Reeve, 1846
* ''Haliotis discus hannai'' Ino, 1953 (sometimes wrongly identified as ''Haliotis kamtschatkana kamtschatkana'' Jonas, 1845, to which it is very similar)
Description
The size of the shell varies between 100 mm and 150 mm. "This species is closely allied in all characters to '' Haliotis kamtschatkana'' but is more elongated than the typical Kamtschatkana. The interior surface has a peculiarly metallic luster, light bronze-green and coppery-red predominating."Distribution
''H. discus'' is endemic to the waters offJapan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
and eastern Asia
Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
.Oliver, A.P.H. (2004). ''Guide to Seashells of the World.'' Buffalo: Firefly Books. 18.
References
* Geiger D.L. & Owen B. (2012) ''Abalone: Worldwide Haliotidae''. Hackenheim: Conchbooks. viii + 361 pp.External links
* discus Molluscs of the Pacific Ocean Marine gastropods Gastropods described in 1846 Taxa named by Lovell Augustus Reeve {{Haliotidae-stub