|
Culcita (echinoderm)
''Culcita'' is a genus of cushion stars. They are found in tropical waters. Some are kept in home aquariums. Description and characteristics These are very particular stars, plump and pillow-shaped, more or less pentagonal. Their five arms have waned to only obtuse angles (and sometimes rounded off or truncated). They can measure up to 30 cm in diameter, and are typical of Indo-Pacific coral reefs, where they feed on benthic invertebrates and coral. Two species ''Culcita novaeguineae'' and ''Culcita schmideliana'' are extremely similar and almost impossible to differentiate by sight, except that ''C. schmideliana'' has larger tubercles, that are normally absent from papular areas (though both species can also be naked). They are thus distinguished mostly by their area of distribution: ''C. schmideliana'' lives in the Indian Ocean (from Africa to the Maldives), and ''C. novaeguineae'' in Oceania and the Pacific Ocean. The third species, ''C. coriacea'', lives in the Red Se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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] |
Halityle Regularis
''Halityle regularis'', commonly known as the mosaic cushion star, is a species of sea star in the family Oreasteridae. It is the sole species in the genus ''Halityle''. Distribution The mosaic cushion star is found in the Western Central Pacific in countries such as the Philippines. It is found in tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ... climates in depths of 3–90 meters. References Oreasteridae Monotypic echinoderm genera Asteroidea genera {{Asteroidea-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
La Réunion
LA most frequently refers to Los Angeles, the second largest city in the United States. La, LA, or L.A. may also refer to: Arts and entertainment Music * La (musical note), or A, the sixth note * "L.A.", a song by Elliott Smith on ''Figure 8'' (album) * ''L.A.'' (EP), by Teddy Thompson * ''L.A. (Light Album)'', a Beach Boys album * "L.A." (Neil Young song), 1973 * The La's, an English rock band * L.A. Reid, a prominent music producer * Yung L.A., a rapper * Lady A, an American country music trio * "L.A." (Amy Macdonald song), 2007 * "La", a song by Australian-Israeli singer-songwriter Old Man River Other media * l(a, a poem by E. E. Cummings * La (Tarzan), fictional queen of the lost city of Opar (Tarzan) * ''Lá'', later known as Lá Nua, an Irish language newspaper * La7, an Italian television channel * LucasArts, an American video game developer and publisher * Liber Annuus, academic journal Business, organizations, and government agencies * L.A. Screenings, a tel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oman
Oman ( ; ar, عُمَان ' ), officially the Sultanate of Oman ( ar, سلْطنةُ عُمان ), is an Arabian country located in southwestern Asia. It is situated on the southeastern coast of the Arabian Peninsula, and spans the mouth of the Persian Gulf. Oman shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen, while sharing Maritime boundary, maritime borders with Iran and Pakistan. The coast is formed by the Arabian Sea on the southeast, and the Gulf of Oman on the northeast. The Madha and Musandam Governorate, Musandam exclaves are surrounded by the United Arab Emirates on their land borders, with the Strait of Hormuz (which it shares with Iran) and the Gulf of Oman forming Musandam's coastal boundaries. Muscat is the nation's capital and largest city. From the 17th century, the Omani Sultanate was Omani Empire, an empire, vying with the Portuguese Empire, Portuguese and British Empire, British empires for influence in the Persian Gulf and Indian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Culcita Coriacea
''Culcita coriacea'', commonly known as the Arabian cushion star, is a species of pin-cushion star. Description ''Culcita coriacea'' is a roughly pentagonal starfish with a leathery surface and an inflated appearance. It is subpentagonal in shape with a very convex aboral (upper) surface and flat base. Its arms are stout and short, but more obvious than in the other species of this genus. This starfish varies in color but often has a dark background with small colored patches. Distribution and habitat ''Culcita coriacea'' is endemic to the Arabian region, in particular the Red Sea and the region of Oman. It is found in lagoon areas and on inner reef flats with seagrass Seagrasses are the only flowering plants which grow in marine environments. There are about 60 species of fully marine seagrasses which belong to four families (Posidoniaceae, Zosteraceae, Hydrocharitaceae and Cymodoceaceae), all in the orde ...es and among algae at depths down to about . Behaviour ''Culc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World Register Of Marine Species
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialists on each group of organism. These taxonomists control the quality of the information, which is gathered from the primary scientific literature as well as from some external regional and taxon-specific databases. WoRMS maintains valid names of all marine organisms, but also provides information on synonyms and invalid names. It is an ongoing task to maintain the registry, since new species are constantly being discovered and described by scientists; in addition, the nomenclature and taxonomy of existing species is often corrected or changed as new research is constantly being published. Subsets of WoRMS content are made available, and can have separate badging and their own home/launch pages, as "subregisters", such as the ''World List of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peltaster
''Peltaster'' is a genus of echinoderms belonging to the family Goniasteridae. The genus has almost cosmopolitan distribution. Species: *''Peltaster cycloplax'' *''Peltaster micropeltus'' *''Peltaster placenta ''Peltaster'' is a genus of echinoderms belonging to the family Goniasteridae. The genus has almost cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of ...'' References Goniasteridae Asteroidea genera {{asteroidea-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Goniasteridae
Goniasteridae (the biscuit stars) constitute the largest family of sea stars, included in the order Valvatida. They are mostly deep-dwelling species, but the family also include several colorful shallow tropical species. Description Goniasteridae are usually middle-sized sea stars with a characteristic double range of marginal plates bordering the disk and arms. Most of them have five arms, often short and triangular, around a broad central disc; many species are pentagonal or subpentagonal, covered densely with granular, seed-like protuberances, hence the name of the family "seed-star" (''gonium+aster''). The aboral face is often covered with tiny spines looking like paxillae. Pedicellariae are often valvate, and the gonads are located at the interradius. Main identification keys for this group include the presence of paxillae, granules, teeth, spines, or the shape and dimensions of marginal plate. Location and habitat They occur predominantly on deep-water continental s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Culcita Schmideliana
''Culcita schmideliana'', commonly known as the spiny cushion star, is a species of pin-cushion star. It has a variety of base colors and often patches of a different color. It is pentagonal in shape and lives in the tropical Indo-Pacific. This species is rarely kept by hobby aquarists. Description ''Culcita schmideliana'' is a roughly pentagonal starfish with a leathery surface and an inflated appearance. It is subglobose in shape when fully adult, with a very convex aboral (upper) surface and flat base. The aboral surface is scattered with small conical spines (that supposedly never enter the papular zones) and the oral (under) surface has small granulations and is clad in large conical tubercles, those nearest the ambulacral grooves and the margin being ovate in cross section and the largest. This starfish varies in color but often has a greyish background with small pink patches mostly adjacent to black tubercles. The madreporite is usually an orangeish color. This starfis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Echinoderm
An echinoderm () is any member of the phylum Echinodermata (). The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the sea lilies or "stone lilies". Adult echinoderms are found on the sea bed at every ocean depth, from the intertidal zone to the abyssal zone. The phylum contains about 7,000 living species, making it the second-largest grouping of deuterostomes, after the chordates. Echinoderms are the largest entirely marine phylum. The first definitive echinoderms appeared near the start of the Cambrian. The echinoderms are important both ecologically and geologically. Ecologically, there are few other groupings so abundant in the biotic desert of the deep sea, as well as shallower oceans. Most echinoderms are able to reproduce asexually and regenerate tissue, organs, and limbs; in some cases, they can undergo complete regeneration from a single limb. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Culcita Novaeguineae
''Culcita novaeguineae'' (common name, cushion star) is a species of starfish. It has short arms and an inflated appearance and resembles a pentagonal pincushion. It is variable in colour and can be found in tropical warm waters in the Indo-Pacific. Taxonomy ''C. novaeguineae'' has numerous synonyms, at least in part because it has a "goniasterid" phase; the juveniles exhibit little resemblance to the mature form, and gradually change in morphology as they grow. A number of different "species" were described in the literature before they were found to be different developmental stages of the same species. Some were even considered to be in a different family, the Goniasteridae, rather than in the correct family, Oreasteridae.The Cushio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cushion Star
''Culcita novaeguineae'' (common name, cushion star) is a species of starfish. It has short arms and an inflated appearance and resembles a pentagonal pincushion. It is variable in colour and can be found in tropical warm waters in the Indo-Pacific. Taxonomy ''C. novaeguineae'' has numerous synonyms, at least in part because it has a "goniasterid" phase; the juveniles exhibit little resemblance to the mature form, and gradually change in morphology as they grow. A number of different "species" were described in the literature before they were found to be different developmental stages of the same species. Some were even considered to be in a different family, the Goniasteridae, rather than in the correct family, Oreasteridae.The Cushio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
