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Cerberilla Asamusiensis
''Cerberilla asamusiensis'' is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Aeolidiidae.Rosenberg, G. (2015)''Cerberilla asamusiensis''.In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-11-09 Distribution This species was described from Asamushi, Mutsu Bay, Japan. It was redescribed in more detail on the basis of more specimens from Sagami Bay and Tomioka, Amakusa District, Kumamoto.Baba, K. (1976)''The genus ''Cerberilla'' of Japan (Nudibranchia: Eolidoidea: Aeolidiidae), with the description of a new species.''The Veliger, 18(3):272–280. p. 276. A very similar looking animal has been reported from Moreton Island, Queensland, Australia.Rudman, W.B., 2002 (11 July''Cerberilla asamusiensis'' Baba, 1940. n/nowiki> Sea Slug Forum. Australian Museum, Sydney. Description All ''Cerberilla'' species have a broad foot and the cerata are long and numerous, arranged in transverse rows across the body. In this ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kikutaro Baba
was a Japanese malacologist. He was the leading researcher on sea slugs and bubble snails, opisthobranch gastropod mollusks in Japan. Biography * 1932–1941 Kyushu University * 1948–1949 Osaka Kyoiku University * 1976 – Order of the Rising Sun Kikutaro Baba was married to Sonoko Baba. He died of pneumonia in hospital in Japan on 30 November 2001.(January 2002) nudibranch NEWVol.4 No.04: 44/ref> Species Species described by Kikutaro Baba include: * '' Aglaja orientalis'' Baba, 1949 * '' Aldisa cooperi'' Robilliard & Baba, 1972 * '' Antonietta janthina'' Baba & Hamatani, 1977 * '' Aplysia kurodai'' Baba, 1937 * '' Aplysia sagamiana'' Baba, 1949 * '' Aplysiopsis minor'' (Baba, 1959) * '' Aplysiopsis nigra'' (Baba, 1949) * '' Aplysiopsis orientalis'' Baba, 1949 * '' Armina magna'' Baba, 1955 * '' Bornella japonica'' Baba, 1949 * '' Cadlina japonica'' Baba, 1937 * '' Cadlina sagamiensis'' Baba, 1937 * '' Carminodoris bifurcata'' Baba, 1993 * '' Chelidonura fulvipunctata' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. Other ways of defining species include their karyotype, DNA sequence, morphology (biology), morphology, behaviour, or ecological niche. In addition, palaeontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. About 14% of these had been described by 2011. All species (except viruses) are given a binomial nomenclature, two-part name, a "binomen". The first part of a binomen is the name of a genus to which the species belongs. The second part is called the specific name (zoology), specific name or the specific ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sea Slug
Sea slug is a common name for some Marine biology, marine invertebrates with varying levels of resemblance to terrestrial Slug, slugs. Most creatures known as sea slugs are gastropods, i.e. they are Sea snail, sea snails (marine gastropod mollusks) that, over evolutionary time, have either entirely lost their shells or have seemingly lost their shells due to having a significantly reduced or internal shell. The name "sea slug" is often applied to Nudibranch, nudibranchs and a paraphyletic set of other marine gastropods without apparent Gastropod shell, shells. Sea slugs have an enormous variation in body shape, color, and size. Most are partially translucent. The often bright colors of Coral reef, reef-dwelling species imply that these animals are under constant threat of predators. Still, the color can warn other animals of the sea slug's toxic stinging cells (nematocysts) or offensive taste. Like all Gastropod, gastropods, they have small, razor-sharp teeth called Radula, rad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nudibranch
Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have been given colourful nicknames to match, such as "clown", "marigold", "splendid", "dancer", "dragon", and "sea rabbit". About 3,000 species of nudibranchs are known.Ocean Portal (2017)A Collage of Nudibranch Colors Smithsonian National Museum of Natural History. Retrieved 17 April 2018. The word ''nudibranch'' comes from the Latin 'naked' and the Ancient Greek () ' gills'. Nudibranchs are often casually called sea slugs, as they are a family of opisthobranchs (sea slugs), within the phylum Mollusca (molluscs), but many sea slugs belong to several taxonomic groups that are not closely related to nudibranchs. A number of these other sea slugs, such as the photosynthetic '' Sacoglossa'' and the colourful Aglajidae, are often confused wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marine (ocean)
The ocean is the body of salt water that covers approximately 70.8% of Earth. The ocean is conventionally divided into large bodies of water, which are also referred to as ''oceans'' (the Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic Ocean),"Ocean." ''Merriam-Webster.com Dictionary'', Merriam-Webster, https://www.merriam-webster.com/dictionary/ocean . Accessed March 14, 2021. and are themselves mostly divided into seas, gulfs and subsequent bodies of water. The ocean contains 97% of [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heterobranchia
Heterobranchia, the heterobranchs (meaning "different gill"), is a taxonomic clade of snails and slugs, which includes marine, aquatic, and terrestrial gastropod molluscs. Heterobranchia is one of the main clades of gastropods. Currently Heterobranchia comprises two groups: the opisthobranchs, and the pulmonates. Diversity The two subdivisions of this large clade are quite diverse: * Opisthobranchia are virtually all marine species, some shelled and some not, and comprise about 25 families and 2000 species of the bubble shells, the seaslugs, as well as the sea hares. The internal organs of the opisthobranchs have undergone detorsion (unwinding of the viscera that were twisted during torsion). * The Pulmonata comprises about 20000 species, includes the majority of land snails and slugs, many freshwater snails, and a small number of marine species. The mantle cavity of the Pulmonata is modified into an air-breathing organ. They are also characterized by detorsion a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mollusc
Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The number of additional fossil species is estimated between 60,000 and 100,000, and the proportion of undescribed species is very high. Many taxa remain poorly studied. Molluscs are the largest marine biology, marine phylum, comprising about 23% of all the named marine organisms. They are highly diverse, not just in size and anatomical structure, but also in behaviour and habitat, as numerous groups are freshwater mollusc, freshwater and even terrestrial molluscs, terrestrial species. The phylum is typically divided into 7 or 8 taxonomy (biology), taxonomic class (biology), classes, of which two are entirely extinct. Cephalopod molluscs, such as squid, cuttlefish, and octopuses, are among the most neurobiology, neurologi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Family (biology)
Family (, : ) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". The delineation of what constitutes a family—or whether a described family should be acknowledged—is established and decided upon by active taxonomists. There are not strict regulations for outlining or acknowledging a family, yet in the realm of plants, these classifications often rely on both the vegetative and reproductive characteristics of plant species. Taxonomists frequently hold varying perspectives on these descriptions, leading to a lack of widespread consensus within the scientific community ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aeolidiidae
Aeolidiidae, a family of aeolid nudibranchs, are a family of sea slugs, shell-less marine gastropod mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...s.Bouchet, P. (2014)''Aeolidiidae'' Gray, 1827.Accessed through: World Register of Marine Species on 2014-10-24 Most, or perhaps all, members of this family feed on sea anemones and have a distinctive single row of comb-shaped serrated radular teeth. Genera Genera within the Aeolidiidae include: * '' Aeolidia'' Cuvier, 1798 * '' Aeolidiella'' Bergh, 1867 * '' Anteaeolidiella'' M. C. Miller, 2001 * '' Baeolidia'' Bergh, 1888 * '' Berghia'' Trinchese, 1877 * '' Bulbaeolidia'' Carmona, Pola, Gosliner & Cervera, 2013 * '' Burnaia'' M. C. Miller, 2001 * '' Cerberilla'' Bergh, 1873: unrevised taxonomic status Carmona L., Pola M. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mutsu Bay
is a bay located within Aomori Prefecture, in the northern Tōhoku region of northern Japan. It has an east-west distance of approximately and a north-south distance of approximately at its eastern end, with a total area of approximately . Names ''Mutsu Bay'' is the dominant English term used in English for the body of water; however, it has historically been referred to as the ''Gulf of Mutsu''. The Japanese name for the body of water is . Geography Mutsu Bay is bordered by the Tsugaru Peninsula to the west and the Shimokita Peninsula to the east and north. It has an east-west distance of approximately and a north-south distance of approximately at its eastern end, with a total area of approximately . The outlet of the bay is the wide Tairadate Strait which connects Mutsu Bay to the Tsugaru Strait separating the islands of Honshu and Hokkaido. The bay has an average depth of , with a maximum depth of near its outlet to the Tsugaru Strait. Mutsu Bay includes Aomori Bay ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sagami Bay
lies south of Kanagawa Prefecture in Honshu, central Japan, contained within the scope of the Miura Peninsula, in Kanagawa, to the east, the Izu Peninsula, in Shizuoka Prefecture, to the west, and the Shōnan coastline to the north, while the island of Izu Ōshima marks the southern extent of the bay. It lies approximately southwest of the capital, Tokyo. Cities on the bay include Odawara, Chigasaki, Fujisawa, Kanagawa, Fujisawa, Hiratsuka, Itō, Shizuoka, Itō, and Kamakura, Kanagawa, Kamakura. History The center of the 1923 Great Kantō earthquake, Great Kantō earthquake in 1923 was deep beneath Izu Ōshima Island in Sagami Bay. It devastated Tokyo, the port city of Yokohama, and the surrounding prefectures of Chiba Prefecture, Chiba, Kanagawa, and Shizuoka Prefecture, Shizuoka, and caused widespread damage throughout the Kantō region. The shallow nature of the seabed on the north of the bay, and the funnelling effect of tsunami and typhoon wave energy, contributed to cer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amakusa District, Kumamoto
is a district located in Kumamoto Prefecture, Japan. Following the March 27, 2006 Amakusa merger the district consists of the single town of Reihoku. After the merger, the district has an estimated population of 9,105 and a density of 135.77 persons per km2. The total area is 67.06 km2. Towns and villages * Reihoku Mergers *On March 31, 2004 the towns of Himedo, Matsushima, Ōyano and Ryūgatake merged to form the new city of Kami-Amakusa. *On March 27, 2006 the towns of Amakusa, Ariake, Goshoura, Itsuwa, Kawaura, Kuratake, Shinwa and Sumoto merged with the cities of Hondo and Ushibuka to form the new city A city is a human settlement of a substantial size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agree ... of Amakusa. References Transport Ferry from Itsuwa Oniike on the north of the Amakusa Peninsula ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
