|
Ecsenius Axelrodi
''Ecsenius axelrodi'', known commonly as the Axelrod's clown blenny or the Axelrod's combtooth blenny, is a species of ray-finned fish in the family Blenniidae, the combtooth blennies. It is found in shallow water on coral reefs in the western central Pacific Ocean. It was first described by Victor Gruschka Springer in 1988 and named in honour of the American ichthyologist Herbert Richard Axelrod. Description ''Ecsenius axelrodi'' is a small species growing to a maximum length of . The dorsal fin has 12 spines and 12 to 14 soft rays. It is deeply notched between the two portions of fin. The anal fin has 2 spines and 14 to 16 soft rays. This combtooth blenny is variable in colour but usually has broad orange bands running along the body and transverse black bars on the rear half of the body. It occasionally has black longitudinal stripes. The eyes are prominent and have a black line running through them. This fish can be distinguished from other similar species by the obliquely ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Victor Gruschka Springer
Victor Gruschka Springer (born in Jacksonville, Florida on 2 June 1928) is Senior Scientist emeritus, Division of Fishes at the Smithsonian Institution's National Museum of Natural History in Washington, D.C. He is a specialist in the anatomy, classification, and distribution of fishes, with a special interest in tropical marine shorefishes. He has published numerous scientific studies on these subjects; also, a popular book called "Sharks in Question, the Smithsonian Answer Book" 1989. Education Springer gained his first degree, B.A. in Biology at Emory University in 1948. His M.S. in Botany at the University of Miami in 1954 was followed by his Ph.D in Zoology at the University of Texas in 1957. Research Interests Springer's research interests include the classification, evolution, and biogeography of fishes, especially marine fishes and notably Blennioid fishes. He is also interested in late 19th and 20th Century scientific illustrators of fishes such as Charles Bradford ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oviparity
Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, most reptiles, and all pterosaurs, dinosaurs (including birds), and monotremes. In traditional usage, most insects (one being ''Culex pipiens'', or the common house mosquito), molluscs, and arachnids are also described as oviparous. Modes of reproduction The traditional modes of reproduction include oviparity, taken to be the ancestral condition, traditionally where either unfertilised oocytes or fertilised eggs are spawned, and viviparity traditionally including any mechanism where young are born live, or where the development of the young is supported by either parent in or on any part of their body. However, the biologist Thierry Lodé recently divided the traditional category of oviparous reproduction into two modes that he named ovuliparity and (true) oviparity respectively. He distinguished the tw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ecsenius
''Ecsenius'' is a large genus of fish in the family Blenniidae. Several species, including ''Ecsenius midas'', the Midas blenny, and ''Ecsenius bicolor'', the bicolor blenny, are commonly sold at aquarium stores as pets. Species There are currently 53 recognized species in this genus: * '' Ecsenius aequalis'' V. G. Springer, 1988 (Fourline blenny) * '' Ecsenius alleni'' V. G. Springer, 1988 * '' Ecsenius aroni'' V. G. Springer, 1971 (Aron's blenny) * '' Ecsenius australianus'' V. G. Springer, 1988 (Australian blenny) * ''Ecsenius axelrodi'' V. G. Springer, 1988 (Axelrod's clown blenny) * '' Ecsenius bandanus'' V. G. Springer, 1971 (Banda comb-tooth) * '' Ecsenius bathi'' V. G. Springer, 1988 (Bath's comb-tooth) * ''Ecsenius bicolor'' ( F. Day, 1888) (Bicolor blenny) * '' Ecsenius bimaculatus'' V. G. Springer, 1971 * '' Ecsenius caeruliventris'' V. G. Springer & G. R. Allen, 2004 (Bluebelly blenny) * '' Ecsenius collettei'' V. G. Springer, 1972 (Collete's blenny) * '' E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
London
London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a major settlement for two millennia. The City of London, its ancient core and financial centre, was founded by the Romans as '' Londinium'' and retains its medieval boundaries.See also: Independent city § National capitals The City of Westminster, to the west of the City of London, has for centuries hosted the national government and parliament. Since the 19th century, the name "London" has also referred to the metropolis around this core, historically split between the counties of Middlesex, Essex, Surrey, Kent, and Hertfordshire, which largely comprises Greater London, governed by the Greater London Authority.The Greater London Authority consists of the Mayor of London and the London Assembly. The London Mayor is distinguished fr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New York City
New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the List of United States cities by population density, most densely populated major city in the United States, and is more than twice as populous as second-place Los Angeles. New York City lies at the southern tip of New York (state), New York State, and constitutes the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the world by urban area, urban landmass. With over 20.1 million people in its metropolitan statistical area and 23.5 million in its combined statistical area as of 2020, New York is one of the world's most populous Megacity, megacities, and over 58 million people live within of the city. New York City is a global city, global Culture of New ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alemania
Alamannia, or Alemannia, was the kingdom established and inhabited by the Alemanni, a Germanic tribal confederation that had broken through the Roman ''limes'' in 213. The Alemanni expanded from the Main River basin during the 3rd century and raided Roman provinces and settled on the left bank of the Rhine River from the 4th century. Ruled by independent tribal kings during the 4th and the 5th centuries, Alamannia lost its independence and became a duchy of the Frankish Empire in the 6th century. As the Holy Roman Empire started to form under King Conrad I of East Francia (reigning 911 to 918), the territory of Alamannia became the Duchy of Swabia in 915. Scribes often used the term '' Suebia'' interchangeably with ''Alamannia'' in the 10th to the 12th centuries. The territory of Alamannia as it existed from the 7th to 9th centuries centred on Lake Constance and included the High Rhine, the Black Forest and the Alsace on either side of the Upper Rhine, the upper Danube River ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Of America
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine Minor Outlying Islands, and 326 Indian reservations. The United States is also in free association with three Pacific Island sovereign states: the Federated States of Micronesia, the Marshall Islands, and the Republic of Palau. It is the world's third-largest country by both land and total area. It shares land borders with Canada to its north and with Mexico to its south and has maritime borders with the Bahamas, Cuba, Russia, and other nations. With a population of over 333 million, it is the most populous country in the Americas and the third most populous in the world. The national capital of the United States is Washington, D.C. and its most populous city and principal financial center is New York City. Paleo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New Jersey
New Jersey is a state in the Mid-Atlantic and Northeastern regions of the United States. It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware River and Pennsylvania; and on the southwest by Delaware Bay and the state of Delaware. At , New Jersey is the fifth-smallest state in land area; but with close to 9.3 million residents, it ranks 11th in population and first in population density. The state capital is Trenton, and the most populous city is Newark. With the exception of Warren County, all of the state's 21 counties lie within the combined statistical areas of New York City or Philadelphia. New Jersey was first inhabited by Native Americans for at least 2,800 years, with the Lenape being the dominant group when Europeans arrived in the early 17th century. Dutch and Swedish colonists founded the first European settlements in the state. The British later seized control o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian Blenny
The Australian blenny (''Ecsenius australianus'') is a small marine blennioid fish of the genus ''Ecsenius''. They are small and reddish brown with a white ventral side. Australian blennies inhabit the shallow marine waters of the tropics. They are often found along the Great Barrier Reef and Coral Sea of Australia. Taxonomy This species is believed to be most closely related to '' E. fourmanoiri''. Similarities between these two species include "broad, darkly dusky bands and stripes" and "dark opercular margin , which are not found in other members of the "Opsifrontalis Group". Preserved specimens also bear similarity to '' E. opsifrontalis''. However, ''E. australianus'' differ from ''E. opsifrontalis'' and ''E. fourmanoiri'' by their number of fins rays and vertebrae. Description Australian blennies are small fish, reaching lengths of only . The dorsal two-thirds of the body is reddish-brown, with white spots forming two rows. The ventral third is white in colour. A reddis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Actinopterygii
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or horny spines (rays), as opposed to the fleshy, lobed fins that characterize the class Sarcopterygii (lobe-finned fish). These actinopterygian fin rays attach directly to the proximal or basal skeletal elements, the radials, which represent the link or connection between these fins and the internal skeleton (e.g., pelvic and pectoral girdles). By species count, actinopterygians dominate the vertebrates, and they constitute nearly 99% of the over 30,000 species of fish. They are ubiquitous throughout freshwater and marine environments from the deep sea to the highest mountain streams. Extant species can range in size from ''Paedocypris'', at , to the massive ocean sunfish, at , and the long-bodied oarfish, at . The vast majority of Actinopt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Herbert Richard Axelrod
Herbert Richard Axelrod (June 7, 1927 – May 15, 2017) was an American tropical fish expert, a publisher of pet books, and an entrepreneur. In 2005 he was sentenced in U.S. court to 18 months in prison for Tax avoidance and tax evasion, tax fraud. Early life Axelrod was born to a Jewish family in New Jersey, the son of immigrant parents from Russia. His father was a mathematics and violin teacher, and his mother was a civilian employee of the United States Navy, U.S. Navy. Aquatics and publishing While serving in an Mobile army surgical hospital (US), Army MASH unit in Korea, he wrote his book ''The Handbook of Tropical Aquarium Fishes'', which eventually sold more than one million copies. After returning from Korea, Axelrod earned a Ph.D. in biostatistics at New York University and started the magazine ''Tropical Fish Hobbyist''. He wrote many other books on tropical fish and founded a Publishing, publishing firm, TFH Publications (named for the magazine) that became the largest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
