Designations N/A. Maturity is determined by comparing the length of the gonads to the height of the bell. Status in World Register of Marine Species Accepted name: Aglantha digitale (Müller, 1776) Scientific synonyms and common names Aglantha rosa | (Forbes, 1848) Considered to be a variety of Aglantha digitale or a seperate species 385-465. bell height up to 4 cm; Color & Characteristics. This species feeds on small copepods, chaetognaths, ciliates and diatoms. Eionet; Network of the Heads of Environment Protection Agencies (EPA network) (Takahashi and Ikeda, 2006), Because most hydrozoans are broadcast spawners, there is no parental investment in the young. Aglantha digitale is within the scope of WikiProject Animals, an attempt to better organize information in articles related to animals and zoology.For more information, visit the project page. digitale. 2. Material examined. Williams, R. and D.V.P. Accessed - 2ADE514 from Alamy's library of millions of high resolution stock photos, illustrations and vectors. at Physical characteristics: Aglantha digitale (abbrviated as A. digitale) is a medusa with a cylindrical umbrella that is about three-eighths of an inch to 1.5 inches (10 to 40 millimeters) high. Age/Size Growth Length … See Kramp (1961) for a complete synonymy. [as Aglantha digitale O. F. MÜLLER] Contributions to BioLib. January 30, 2013 Proceedings of the Royal Society of Edinburgh (B) 74(1): 1-25. rosea (Forbes, 1848) Scientific name Scientific name (unprocessed) Subspecies Species Genus Family Order Class Phylum Kingdom Identified to rank Name match metric Lifeform Common name (processed) Species subgroups Species lists. rosea. ), South Atlantic Zooplankton, Vol. Cartwright, P., A. Nawrocki. 1996. Description (after Kramp 1959; Russell 1953): Medusa. Müller, 1776) Edit. It occurs above the continental slope but is more common over the deep ocean, seldom occurring at a depth greater than 200 m (660 ft). Scientific name Scientific name (unprocessed) Subspecies Species Genus Family Order Class Phylum Kingdom Identified to rank Name match metric Lifeform Common name (processed) Species subgroups Species interaction. 2012. It has no common name. the kind of polygamy in which a female pairs with several males, each of which also pairs with several different females. Once you've registered, you can add an observation to the website and suggest an identification yourself or see if anyone else can identify it for you. breeding is confined to a particular season, reproduction that includes combining the genetic contribution of two individuals, a male and a female. Oceanology, 46/2: 228-237. Common Name N/A. Aglantha digitale. Marine Ecology Progress Series, 253: 305-309. Cambridge University Press, 530 pp. Prodromus descriptionis animalium ab H. Mertensio in orbis terrarum circumnavigatione observatorum. Terminal (leaf) node. Aglantha digitalis (O.F. Kramp, P.L., 1959. Additional support has come from the Marisla Foundation, UM College of Literature, Science, and the Arts, Museum of Zoology, and Information and Technology Services. You can continue searching for Aglantha digitale on one of these Web sites: Fauna Europaea (animals) | IOPI (plants) | NCBI (genetic). Designations N/A. Hydromedusae. The top of the umbrella forms a conical apical projection. Evidence is presented that conduction around the margin takes place via an interconnected system of rootlet interneurones. Networks. (von Dassow, 1998), There is no specific information on how Aglantha digitale spawns, but hydrozoans in general are broadcast spawners. the body of water between Europe, Asia, and North America which occurs mostly north of the Arctic circle. Throughout fall and winter, it is primarily found at 50 meters and deeper. The tiny jelly fish is most commonly found in Arctic and sub-Arctic waters. Aglantha digitale Müller, 1776 The most common surface-dwelling jellyfish in Arctic and sub-arctic waters. Diet consists of zooplankton, such as small shrimps and other planktonic organisms including microalgae, copepods, and tintinnids. Examples are cnidarians (Phylum Cnidaria, jellyfish, anemones, and corals). Its bell can be up to 4 centimetres across. Aglantha digitale has few means of self defense from predators: it can contract its umbrella to perform jet propulsion and escape any danger; it can emit an array of vibrant light to distract the predator; and finally, if there are no other means of escaping, it defends itself with its tentacles. The distribution of the Medusae in the Scottish area. Scientific Name Aglantha digitale var. Population size structure, spatial distribution, and life cycle of the hydromedusa Aglantha digitale (O.F. HCUS-S 122 (Hydrozoa Collection, University of Salento—fauna of the Salento Peninsula). "Aglantha digitale (O.F. An aquatic biome consisting of the open ocean, far from land, does not include sea bottom (benthic zone). The Animal Diversity Web team is excited to announce ADW Pocket Guides! A single row of 80 or more solid smooth marginal tentacles, all alike. Identification. rosea - Species Dictionary - UK and Ireland : iSpot Nature - Your place to share nature. Near the apex, there are eight giant motor axons. "Hydrozoa" A.digitale-young-habitus A.digitale-gonads. at Waray hini subspecies nga nakalista. Eight brightly-colored tubular gonads are suspended from underneath the top of the umbrella. Synonyms N/A. Eight straight radial canals an ring canal narrow. ... Common names Synonyms Predators Reproduction Maturity Spawning Fecundity Eggs Egg development. Scientific Name Aglantha digitale. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Mueller, 1776) Kaliwatan sa mananap ang Aglantha digitale. HCUS-S 122 (Hydrozoa Collection, University of Salento—fauna of the Salento Peninsula). Melville, K. 2010. Common name. Aglantha digitalis (O. F. Müller, 1776) May 23, 2007 : Integrated Taxonomic Information System Common Name N/A. Another predator of A. digitale is Flabellina goddardi, a sea slug able to consume this type of prey because the slug is unaffected by the hydroid's defensive nematocysts. 2003. Integrative and Comparative Biology, 50/3: 456-472. Authority (O.F. This material is based upon work supported by the The other swimming behavior is a rhythmically slow swimming pattern characteristic of most types of medusae. Something that eats jellyfish" Designations N/A. Abbreviation agdig. ... Aglantha digitale Some of the displayed records may not be available for commercial use. If the prey hasn’t been stunned by the nematocysts on the tentacles, nematocysts lined at the end of the manubrium will immobilize it completely. Identified by Taxon identification issue Specimen type. (Roberts and Mackie, 1980). Les Méduses de la Norvège. Young specimens: A.digitale-young-habitus SizeUmbrella10-40 mm high and about half as wide as high.ColourPink of varying degrees.Ecology and depth rangeHolopelagic; epi- to bathypelagic. Material examined. "Development of the jellyfish Aglantha" Aglantha digitale belongs to the Invertebrates group. Aglan­tha dig­i­tale, also known as the pink hel­met, is found in north­ern seas, and north­ern parts of the At­lantic and Pa­cific oceans. Synonyms N/A. and across multiple seasons (or other periods hospitable to reproduction). Abbreviation agdig. Schuchert, P. (2020). The phylum that it is under primary consist of jelly fish that capture their prey in a chamber like structure. Rhopalonematidae TAXONOMY. Angelabelle Abarientos (author), San Diego Mesa College, Adolfo Nunez (author), San Diego Mesa College, Paul Detwiler (editor), San Diego Mesa College, Renee Mulcrone (editor), Special Projects. However, populations of A. digitale in Toyama Bay, Ogac Lake in Baffin Island, and the Strait of Georgia, have biennial life cycles, while up to four generations have been observed co-occurring in Norwegian fjords. Abundance, vertical distribution and life cycle patterns of the hydromedusa Aglantha digitale in the Oyashio region, western subarctic Pacific. Identification. National Science Foundation - valid name (as Aglantha digitale (O. F. Muller, 1776)) ... 56 pp. Identification. Seasonal changes in the gelatinous zooplankton community and hydromedusa abundances in Korsfjord and Fanafjord, western Norway. a form of body symmetry in which the parts of an animal are arranged concentrically around a central oral/aboral axis and more than one imaginary plane through this axis results in halves that are mirror-images of each other. (Hammond, 2009), The lifespan of this species varies among geographic populations. A Comparative Embryology Gallery. Iteroparous animals must, by definition, survive over multiple seasons (or periodic condition changes). scientific_name_ex:"Homo sapiens" cellular organisms - Eukaryota - Opisthokonta - Metazoa - Eumetazoa - Cnidaria - Hydrozoa - Trachylinae - Trachymedusae - Rhopalonematidae - Aglantha - Aglantha digitale Aglantha digitale var. (Saito, et al., 2012). Hammond, G. 2009. Its tentacles are lined with nematocysts that sting and stun its prey or predators, destroying cells of the tissues that the tentacles come into contact with. Aglantha digitale var. Synonyms N/A. Accessed Hide thumbnail images. Fraser, J.H., 1972. In both types of movements, the subumbrellar muscle sheet is responsible for bell contractions. Pathways coordinating feeding behaviour. Aglantha digitalis (O. F. Müller, 1776) Eirene digitale (O. F. Müller, 1776) Trachynema digitale (O. F. Müller, 1776) Medusa digitale O. F. Müller, 1776 : Common Name(s): pink helmet [English] Taxonomic Status: Current Standing: valid Data Quality Indicators: Record Credibility Rating: verified - standards met Aglantha digitale var. Accessed December 18, 2020 at Variety, Coelenterate (=cnidarian), Marine When feeding, A. digitale lifts its prey with tentacle flexions to the margin of its bell. rosea (Forbes, 1848). ... Aglantha digitale Some of the displayed records may not be available for commercial use. One is a rapid escape response with the bell margin contracting every 100 milliseconds. During spring and summer, A. digitale is found 25 meters below the surface. (Colin, et al., 2003; Meech, 2004; Pertsova, et al., 2006), The eggs of Aglantha digitale are unusual compared to other hydrozoans. In situ swimming and feeding behavior of eight co-occurring hydromedusae. This is a common surface-dwelling jellyfish in Arctic and sub-Arctic waters. This planktonic species has neither home range nor territory. Tentacle autonomy in the hydromedusa Aglantha digitale (Cnidaria): an ultrastructural and neurophysiological analysis. Aglantha digitale (O. F. Müller, 1776) Laing Ngalan; Aglantha conica Hargitt, 1902 Aglantha impatiens A. Agassiz, 1862 Aglantha rosea Forbes, 1848 Aglantha borealis Lesson, 1843 Aglantha camtschatica Brandt, 1835 Aglantha digitalis (O.F. 1663, p. 29). The hydromedusae of the Atlantic Ocean and adjacent waters. 1991. It swims upward with its tentacles contracted, then sinks upside-down with its tentacles extended horizontally. January 30, 2013 During feeding, the manubrium bends across (`points') and seizes the prey with flared lips. having a body temperature that fluctuates with that of the immediate environment; having no mechanism or a poorly developed mechanism for regulating internal body temperature. Then it points its manubrium and grips the prey with its flared lips. (Takahashi and Ikeda, 2006), Aglantha digitale is a planktonic species with two types of swimming behaviors. Medusa Joseph Cornell Deep Sea Creatures Under The Ocean James Cameron Marine Biology Underwater World Sea World Ocean Life. Vertical distribution and seasonal abundance of Aglantha digitale (O.F. Müller, 1776)DescriptionUmbrella tall thimble-shaped with small conical apical projection [A.digitale-habitus]; jelly thin; subumbrellar muscles strong; velum broad and well-developed. Abundance, biomass and body size of the hydromedusa Aglantha digitale in the western and eastern subarctic Pacific during the summers of 2003–2006. Müller) (Coelenterata: Trachymedusae) and other planktonic coelenterates in the northeast Atlantic Ocean. FAMILY. Low This article has been rated as Low-importance on the project's importance scale. mainly lives in oceans, seas, or other bodies of salt water. 116 View FIGURE 116. uBio is a networked information service for biological information resources. Impulse conduction in the jellyfish Aglantha digitale. 2376).Species listed only in medusoid stage (Ref. 2007. Eight free club-shaped marginal statocysts, each situated midway between adjacent radial canals on inner side of ring canal. 2010. Free and Open Access to Biodiversity Data. Abarientos, A. and A. Nunez 2013. Roberts, A., G. Mackie. Mga … Aglantha digitale is a sink-fisher like many of the other hydromedusae. clear translucent, bell taller than breadth, with a small conical apical projection ~80 marginal tentacles generally destroyed during capture; 8 radial canals, 8 statocysts Start This article has been rated as Start-Class on the project's quality scale. (O.F. This species is not threatened, nor is it currently managed. Variety, Coelenterate (=cnidarian), Marine 116. Abundance, vertical distribution and life cycle of a hydromedusa Aglantha digitale in Toyama Bay, southern Japan Sea. Global Biodiversity Information Facility. Tactile stimulation of the subumbrella of Aglantha digitale was found to evoke an escape swimming response similar to that evoked by stimulation of the outer surfaces of the margin but that does not involve the ring giant axon. The giant axon escape system of a hydrozoan medusa, Aglantha digitale. Cnidaria is the sister taxon to bilaterian animals, and therefore, represents a key reference lineage to understand early origins and evolution of the neural systems. 2003. Identified by Taxon identification issue Specimen type. (On-line). Fig. Global Biodiversity Information Facility. Classification, To cite this page: World Hydrozoa Database. Search in feature (Compare to zooplankton.). Scientific name i: Aglantha digitale: Taxonomy navigation › Aglantha. If you are registered user, you can add names or synonyms for this taxon, either scientific or vernacular.