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Animal
Animals are multicellular, eukaryotic organisms in the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, are Motility, able to move, can Sexual reproduction, reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of Cell (biology), cells, the blastula, during Embryogenesis, embryonic development. Over 1.5 million Extant taxon, living animal species have been Species description, described—of which around 1 million are Insecta, insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have Ecology, complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a Symmetry in biology#Bilate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arthropod
Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a Segmentation (biology), segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and Arthropod cuticle, cuticle made of chitin, often Mineralization (biology), mineralised with calcium carbonate. The arthropod body plan consists of segments, each with a pair of appendages. Arthropods are bilaterally symmetrical and their body possesses an exoskeleton, external skeleton. In order to keep growing, they must go through stages of moulting, a process by which they shed their exoskeleton to reveal a new one. Some species have wings. They are an extremely diverse group, with up to 10 million species. The haemocoel, an arthropod's internal cavity, through which its haemolymph – analogue of blood – circulates, accommodates its interior Organ (anatomy), organs; it has an open circulatory system. Like their exteriors, the internal or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crustacean
Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group can be treated as a subphylum under the clade Mandibulata. It is now well accepted that the hexapods emerged deep in the Crustacean group, with the completed group referred to as Pancrustacea. Some crustaceans ( Remipedia, Cephalocarida, Branchiopoda) are more closely related to insects and the other hexapods than they are to certain other crustaceans. The 67,000 described species range in size from '' Stygotantulus stocki'' at , to the Japanese spider crab with a leg span of up to and a mass of . Like other arthropods, crustaceans have an exoskeleton, which they moult to grow. They are distinguished from other groups of arthropods, such as insects, myriapods and chelicerates, by the possession of biramous (two-parted) l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malacostraca
Malacostraca (from New Latin; ) is the largest of the six classes of crustaceans, containing about 40,000 living species, divided among 16 orders. Its members, the malacostracans, display a great diversity of body forms and include crabs, lobsters, crayfish, shrimp, krill, prawns, woodlice, amphipods, mantis shrimp, tongue-eating lice and many other less familiar animals. They are abundant in all marine environments and have colonised freshwater and terrestrial habitats. They are segmented animals, united by a common body plan comprising 20 body segments (rarely 21), and divided into a head, thorax, and abdomen. Etymology The name Malacostraca was coined by a French zoologist Pierre André Latreille in 1802. He was curator of the arthropod collection at the National Museum of Natural History in Paris. The name comes from the Greek roots (', meaning "soft") and (', meaning "shell"). The name is misleading, since the shell is soft only immediately after moulting, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Decapoda
The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crabs, lobsters, crayfish, shrimp and prawns. Most decapods are scavengers. The order is estimated to contain nearly 15,000 species in around 2,700 genera, with around 3,300 fossil species. Nearly half of these species are crabs, with the shrimp (about 3,000 species) and Anomura including hermit crabs, porcelain crabs, squat lobsters (about 2500 species) making up the bulk of the remainder. The earliest fossil decapod is the Devonian '' Palaeopalaemon''. Anatomy Decapods can have as many as 38 appendages, arranged in one pair per body segment. As the name Decapoda (from the Greek , ', "ten", and , '' -pod'', "foot") implies, ten of these appendages are considered legs. They are the pereiopods, found on the last five thoracic segments. In many decapods, one pair of these "legs" has enlarged pincers, called chelae, with the l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Axiidae
Axiidae is a family (biology), family of thalassinidean crustaceans. It includes the following genera: *''Acanthaxius'' Sakai & de Saint Laurent, 1989 *''Allaxius'' Sakai & de Saint Laurent, 1989 *''Ambiaxius'' Sakai & de Saint Laurent, 1989 *''Anophthalmaxius'' de Man, 1905 *''Australocaris'' Poore & Collins, 2009 *''Axiopsis'' Borradaile, 1903 *''Axiorygma'' Kensley & Simmons, 1988 *''Axius (crustacean), Axius'' Leach, 1815 *''Bouvieraxius'' Sakai & de Saint Laurent, 1989 *''Calastacus'' Faxon, 1893 *''Calaxiopsis'' Sakai & de Saint Laurent, 1989 *''Calaxius'' Sakai & de Saint Laurent, 1989 *''Calocarides'' Wollebaek, 1908 *''Calocaris'' Bell, 1853 *''Coralaxius'' Kensley & Gore, 1981 *''Dorphinaxius'' Sakai & de Saint Laurent, 1989 *''Eiconaxius'' Bate, 1888 *''Eucalastacus'' Sakai, 1992 *''Eutrichocheles'' Wood-Mason, 1876 *''Formosaxius'' Komai, Lin & Chan, 2010 *''Levantocaris'' Galil & Clark, 1993 *''Litoraxius'' Komai & Tachikawa, 2007 *''Lophaxius'' Kensley, 1989 *''Mari ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eiconaxius
''Eiconaxius'' is a genus of mud lobster that includes the following species: * ''Eiconaxius acutifrons'' Bate, 1888 * ''Eiconaxius agassizi'' Bouvier, 1905 * '' Eiconaxius albatrossae'' Kensley, 1996 * ''Eiconaxius andamanensis'' (Alcock, 1901) * ''Eiconaxius antillensis'' Bouvier, 1905 * ''Eiconaxius asper'' Rathbun, 1906 * ''Eiconaxius baja'' Kensley, 1996 * '' Eiconaxius bandaensis'' Sakai, 2011 * ''Eiconaxius borradailei'' Bouvier, 1905 * ''Eiconaxius caribbaeus'' (Faxon, 1896) * ''Eiconaxius consobrinus'' (De Man, 1907) * ''Eiconaxius cristagalli'' (Faxon, 1893) * ''Eiconaxius demani'' Sakai, 1992 * ''Eiconaxius dongshaensis'' Poore & Dworschak, 2018 * ''Eiconaxius farreae'' Ortmann, 1891 * ''Eiconaxius gololobovi'' Poore & Dworschak, 2018 * ''Eiconaxius hakuhou'' Sakai & Ohta, 2005 * ''Eiconaxius heinrichi'' (Sakai, 2011) * ''Eiconaxius indicus'' (De Man, 1907) * ''Eiconaxius kensleyi'' Komai, Lin & Chan, 2010 * ''Eiconaxius kermadeci'' Bate, 1888 * ''Eiconaxius kimbla'' K ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brian Kensley
Brian (sometimes spelled Bryan in English) is a male given name of Irish and Breton origin, as well as a surname of Occitan origin. It is common in the English-speaking world. It is possible that the name is derived from an Old Celtic word meaning "high" or "noble". For example, the element ''bre'' means "hill"; which could be transferred to mean "eminence" or "exalted one". The name is quite popular in Ireland, on account of Brian Boru, a 10th-century High King of Ireland. The name was also quite popular in East Anglia during the Middle Ages. This is because the name was introduced to England by Bretons following the Norman Conquest. Bretons also settled in Ireland along with the Normans in the 12th century, and 'their' name was mingled with the 'Irish' version. Also, in the north-west of England, the 'Irish' name was introduced by Scandinavian settlers from Ireland. Within the Gaelic speaking areas of Scotland, the name was at first only used by professional families of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
In biology, a species is the basic unit of Taxonomy (biology), 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 sexes or mating types can reproduction, produce Fertility, fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology (biology), morphology, behaviour or ecological niche. In addition, paleontologists 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. However, only about 14% of these had been described by 2011. All species (except viruses) are given a binomial nomenclature, two-part name, a "binomial". The first part of a binomial is the genus to which the species belongs. The second part is called the specifi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mud Lobster
Thalassinidea is a former infraorder of decapod crustaceans that live in burrows in muddy bottoms of the world's oceans. In Australian English, the littoral thalassinidean ''Trypaea australiensis'' is referred to as the ''yabby'' (a term which also refers to freshwater crayfish of the genus '' Cherax''), frequently used as bait for estuarine fishing; elsewhere, however, they are poorly known, and as such have few vernacular names, "mud lobster" and "ghost shrimp" counting among them. The burrows made by thalassinideans are frequently preserved, and the fossil record of thalassinideans reaches back to the late Jurassic. The group was abandoned when it became clear that it represented two separate lineages, now both recognised as infraorders: Gebiidea and Axiidea. Recent molecular analyses have shown that thalassinideans are most closely related to Brachyura (crabs) and Anomura ( hermit crabs and their allies). There are believed to be 556 extant species of thalassinidean ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continents of Asia and Oceania in the west and the Americas in the east. At in area (as defined with a southern Antarctic border), this largest division of the World Ocean—and, in turn, the hydrosphere—covers about 46% of Earth's water surface and about 32% of its total surface area, larger than Earth's entire land area combined .Pacific Ocean . '' Britannica Concise.'' 2008: Encyclopædia Britannica, Inc. The centers of both the [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bulletin Of Marine Science
The ''Bulletin of Marine Science'' is a peer-reviewed scientific journal published by the Rosenstiel School of Marine and Atmospheric Science of the University of Miami. The journal was established in 1951 as the ''Bulletin of Marine Science of the Gulf and Caribbean'' and obtained its current name in 1965. All content is available electronically, and for issues older than three years, free of charge. Scope The ''Bulletin of Marine Science'' covers marine biology, ecology, biological oceanography Oceanography (), also known as oceanology and ocean science, is the scientific study of the oceans. It is an Earth science, which covers a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamic ..., fisheries management, marine policy, marine geology, marine geophysics, marine chemistry, atmospheric chemistry, meteorology, and physical oceanography. References External links * {{Official website, http://bullmarsc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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