Siganus Vermiculatus
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Siganus Vermiculatus
The vermiculated spinefoot (''Siganus vermiculatus''), also known as maze rabbitfish, scribbled spinefoot or vermiculate rabbitfish, is a species of marine ray-finned fish, a rabbitfish belonging to the family Siganidae. Like all rabbitfishes, it has venomous spines on the dorsal, anal, and pelvic fins. It is a reef associated fish species of the Indo-West Pacific region. It is a common commercially important fish in many tropical countries. Taxonomy The vermiculated spinefoot was first formally described in 1835 as ''Amphacanthus vermiculatus'' by the French zoologist Achille Valenciennes with the type locality given as New Guinea. The specific name ''vermiculatus'' refers to the vermiculated or maze pattern on the bodies of the living fish. Description The vermiculated spinefoot has a deep and laterally compressed body which has a depth which fits 1.9 to 2.2 times into its standard length. The nape is bulging with a slight indentation above each eye. The deep, blunt sn ...
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Achille Valenciennes
Achille Valenciennes (9 August 1794 – 13 April 1865) was a French zoologist. Valenciennes was born in Paris, and studied under Georges Cuvier. His study of parasitic worms in humans made an important contribution to the study of parasitology. He also carried out diverse systematic classifications, linking fossil and current species. He worked with Cuvier on the 22-volume "'' Histoire Naturelle des Poissons''" (Natural History of Fish) (1828–1848), carrying on alone after Cuvier died in 1832. In 1832, he succeeded Henri Marie Ducrotay de Blainville (1777–1850) as chair of ''Histoire naturelle des mollusques, des vers et des zoophytes'' at the Muséum national d'histoire naturelle. Early in his career, he was given the task of classifying animals described by Alexander von Humboldt (1769–1859) during his travels in the American tropics (1799 to 1803), and a lasting friendship was established between the two men. He is the binomial authority for many species of fish, such a ...
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Caudal Fin
Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as seen in sharks. Apart from the tail or caudal fin, fish fins have no direct connection with the spine and are supported only by muscles. Their principal function is to help the fish swim. Fins located in different places on the fish serve different purposes such as moving forward, turning, keeping an upright position or stopping. Most fish use fins when swimming, flying fish use pectoral fins for gliding, and frogfish use them for crawling. Fins can also be used for other purposes; male sharks and mosquitofish use a modified fin to deliver sperm, thresher sharks use their caudal fin to stun prey, reef stonefish have spines in their dorsal fins that inject venom, anglerfish use the first spine of their dorsal fin like a fishing rod to lu ...
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Fish Of Thailand
Fish are Aquatic animal, aquatic, craniate, gill-bearing animals that lack Limb (anatomy), limbs with Digit (anatomy), digits. Included in this definition are the living hagfish, lampreys, and Chondrichthyes, cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with around 99% of those being teleosts. The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period. Although they lacked a vertebrate, true spine, they possessed notochords which allowed them to be more agile than their invertebrate counterparts. Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms. Many fish of the Paleozoic developed placodermi, external armor that protected them from predators. The first fish with jaws appeared in the Silurian period, after which many (such as sharks) b ...
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Toxicon
''Toxicon'' is a peer-reviewed scientific journal of toxinology and the official journal of the International Society on Toxinology and the North American Society of Toxinology. It is published by Elsevier and the editor-in-chief is Ray Norton. It aims to publish original research, novel findings, and review papers on toxins and their chemical, toxicological, pharmacological, and immunological properties. The journal was established in 1962. According to the ''Journal Citation Reports'', ''Toxicon'' has a 2020 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as i ... of 3.033. References External links * {{Official, http://www.elsevier.com/wps/find/journaldescription.cws_home/259/description Publications established in 1962 Elsevier academic journals English-languag ...
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Stonefishes
Synanceiinae is a subfamily of venomous ray-finned fishes, waspfishes, which is classified as part of the family Scorpaenidae, the scorpionfishes and their relatives. These fishes are found in the Indo-Pacific oceans. They are primarily marine, though some species are known to live in fresh or brackish waters. The various species of this family are known informally as stonefish, stinger, stingfish and ghouls. Its species are known to have the most potent neurotoxins of all the fish venoms, secreted from glands at the base of their needle-like dorsal fin spines. The vernacular name, stonefish, for some of these fishes derives from their behaviour of camouflaging as rocks. The type species of the family is the estuarine stonefish (''Synanceia horrida''). Taxonomy Synanceiinae, or the family Synanceiidae, was first named and recognised as a grouping of related taxa by the English naturalist William John Swainson in 1839. The 5th edition of ''Fishes of the World'' treats this group ...
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Congener (biology)
Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species. Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organisms or constituents of living organisms of being special or doing something special. Each animal or plant species is special. It differs in some way from all other species...biological specificity is the major problem about understanding life." Biological specificity within ''Homo sapiens'' ''Homo sapiens'' has many characteristics that show the biological specificity in the form of behavior and morphological traits. Morphologically, humans have an enlarged cranial capacity and more gracile features in comparison to other hominins. The reduction of dentition is a feature that allows for the advantage of adaptability in diet and survival. As a species, humans are culture dependent and much of human survival relies on the culture and so ...
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Venom
Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The toxin is delivered through a specially evolved ''venom apparatus'', such as fangs or a stinger, in a process called envenomation. Venom is often distinguished from poison, which is a toxin that is passively delivered by being ingested, inhaled, or absorbed through the skin, and toxungen, which is actively transferred to the external surface of another animal via a physical delivery mechanism. Venom has evolved in terrestrial and marine environments and in a wide variety of animals: both predators and prey, and both vertebrates and invertebrates. Venoms kill through the action of at least four major classes of toxin, namely necrotoxins and cytotoxins, which kill cells; neurotoxins, which affect nervous systems; myotoxins, which damage muscles; and haemotoxins, which disrupt blood clotting. Venomous animals cause tens of thousa ...
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Mangroves
A mangrove is a shrub or tree that grows in coastal saline or brackish water. The term is also used for tropical coastal vegetation consisting of such species. Mangroves are taxonomically diverse, as a result of convergent evolution in several plant families. They occur worldwide in the tropics and subtropics and even some temperate coastal areas, mainly between latitudes 30° N and 30° S, with the greatest mangrove area within 5° of the equator. Mangrove plant families first appeared during the Late Cretaceous to Paleocene epochs, and became widely distributed in part due to the movement of tectonic plates. The oldest known fossils of mangrove palm date to 75 million years ago. Mangroves are salt-tolerant trees, also called halophytes, and are adapted to live in harsh coastal conditions. They contain a complex salt filtration system and a complex root system to cope with saltwater immersion and wave action. They are adapted to the low-oxygen conditions of water ...
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Queensland
) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_date = Colony of Queensland , established_title2 = Separation from New South Wales , established_date2 = 6 June 1859 , established_title3 = Federation , established_date3 = 1 January 1901 , named_for = Queen Victoria , demonym = , capital = Brisbane , largest_city = capital , coordinates = , admin_center_type = Administration , admin_center = 77 local government areas , leader_title1 = Monarch , leader_name1 = Charles III , leader_title2 = Governor , leader_name2 = Jeannette Young , leader_title3 = Premier , leader_name3 = Annastacia Palaszczuk ( ALP) , legislature = Parliament of Queensland , judiciary = Supreme Court of Queensland , national_representation = Parliament of Australia , national_representation_type ...
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Townsville
Townsville is a city on the north-eastern coast of Queensland, Australia. With a population of 180,820 as of June 2018, it is the largest settlement in North Queensland; it is unofficially considered its capital. Estimated resident population, 30 June 2018. Townsville hosts a significant number of governmental, community and major business administrative offices for the northern half of the state. Part of the larger local government area of the City of Townsville, it is in the dry tropics region of Queensland, adjacent to the central section of the Great Barrier Reef. The city is also a major industrial centre, home to one of the world's largest zinc refineries, a nickel refinery and many other similar activities. As of December 2020, $30M operations to expand the Port of Townsville are underway, which involve channel widening and installation of a 70-tonne Liebherr Super Post Panamax Ship-to-Shore crane, to allow much larger cargo and passenger ships to utilise the port. It is ...
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Darnley Island
Darnley Island or ''Erub'' in the native Papuan language, Meriam Mir, is an island formed by volcanic action and situated in the eastern section of the Torres Strait, Queensland, Australia. It is one of the Torres Strait Islands and is located near the Great Barrier Reef and just south of the Bligh entrance. The town on the island is also called Darnley, but the locality is called Erub Island, both being within the local government area of Torres Strait Island Region. In the , Erub Island had a population of 328 people. The effective community language is Brokan (Torres Strait Creole), though many people also still speak Meriam Mir, the traditional language. History The island was named by Captain William Bligh in 1792 during his second breadfruit voyage to the Pacific, after his distant relative, the Earl of Darnley. In 1871 representatives of the London Missionary Society (LMS) arrived in the Torres Straits on the vessel ''Surprise'', a ship owned or chartered by the LMS, ...
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Guam
Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic center of the U.S.); its capital Hagåtña (144°45'00"E) lies further west than Melbourne, Australia (144°57'47"E). In Oceania, Guam is the largest and southernmost of the Mariana Islands and the largest island in Micronesia. Guam's capital is Hagåtña, and the most populous village is Dededo. People born on Guam are American citizens but have no vote in the United States presidential elections while residing on Guam and Guam delegates to the United States House of Representatives have no vote on the floor. Indigenous Guamanians are the Chamoru, historically known as the Chamorro, who are related to the Austronesian peoples of Indonesia, the Philippines, Malaysia, Taiwan, Micronesia, and Polynesia. As of 2022, Guam's population is 168, ...
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