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a b c Shimazaki, Mitsuomi; Nakaya, Kazuhiro (1 February 2004). "Functional anatomy of the luring apparatus of the deep-sea ceratioid anglerfish Cryptopsaras couesii (Lophiiformes: Ceratiidae)". Ichthyological Research. 51 (1): 33–37. doi: 10.1007/s10228-003-0190-6. ISSN 1616-3915. S2CID 21508894. This striking and very dramatic Angler Fish table lamp sculpture is made from cast resin with copper and brass elements. It is a limited edition lamp of just fifty items. The Angler fish sculpture is then mounted on an oak wood plinth. The inspiration for the Angler fish comes from the easily recognisable and famous deep sea fish with its glowing illuminating light. This unusual sculpture of the amazing and mysterious fish features a long curved dorsal spine that holds the light bulb, attracting prey near enough to be trapped by its long sharp teeth! Carefully handcrafted, the Angler fish table lamp features two rows of sharp teeth, cylindrical bulging eyes and long spiky fins. It would be a very eye-catching table lamp in any interior and make a fascinating talking point too. Nazarkin, Mikhail V.; Theodore W. Pietsch (2020). "A fossil dreamer of the genus Oneirodes (Lophiiformes: Ceratioidei) from the Miocene of Sakhalin Island, Russia". Geological Magazine. 157 (8): 1378–1382. Bibcode: 2020GeoM..157.1378N. doi: 10.1017/S0016756820000588. S2CID 225386060 . Retrieved 27 October 2022. Most adult female ceratioid anglerfish have a luminescent organ called the esca at the tip of a modified dorsal ray (the illicium or fishing rod; derived from Latin ēsca, "bait"). The organ has been hypothesized to serve the purpose of luring prey in dark, deep-sea environments, but also serves to call males' attention to the females to facilitate mating. In 2005, near Monterey, California, at 1,474 metres depth, an ROV filmed a female ceratioid anglerfish of the genus Oneirodes for 24 minutes. When approached, the fish retreated rapidly, but in 74% of the video footage, it drifted passively, oriented at any angle. When advancing, it swam intermittently at a speed of 0.24 body lengths per second, beating its pectoral fins in-phase. The lethargic behavior of this ambush predator is suited to the energy-poor environment of the deep sea. [23]
Haygood, Margo G.; Distel, Daniel L. (May 1993). "Bioluminescent symbionts of flashlight fishes and deep-sea anglerfishes form unique lineages related to the genus Vibrio". Nature. 363 (6425): 154–156. Bibcode: 1993Natur.363..154H. doi: 10.1038/363154a0. ISSN 0028-0836. PMID 7683390. S2CID 4346611.
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Pietsch, Theodore W. (2009). Oceanic Anglerfishes: Extraordinary Diversity in the Deep Sea. University of California Press. ISBN 978-0-520-25542-5. Easy To Use And Easy Installation: Simple on/off switch is easy to control.You can only use the on / off switch with a simple lamp power line.It is very easy to install,not too complicated,and provides a lot of convenience. Northwest European Lophius species are heavily fished and are listed by the ICES as "outside safe biological limits". [36] Additionally, anglerfish are known to occasionally rise to the surface during El Niño, leaving large groups of dead anglerfish floating on the surface. [36]
a b Froese, Rainer, and Daniel Pauly, eds. (2006). "Lophiiformes" in FishBase. February 2006 version. It is known that genetic makeup of the symbiont bacteria has undergone changes since they became associated with their host. [3] Compared to their free-living relatives, deep-sea anglerfish symbiont genomes are reduced in size by 50%. Reductions in amino acid synthesis pathways and abilities to utilize diverse sugars are found. Nevertheless, genes involved in chemotaxis and motility that are thought to be useful only outside the host are retained in the genome. Symbiont genome contains very high numbers of pseudogenes and show massive expansions of transposable elements. The process of genome reduction is still ongoing in these symbionts lineages, and the gene loss may lead to host dependence. [20] Best Gift Choice For Housewarming: It is the best gift for christmas,birthday,mother’s day,valentine’s day,labor day.Give a gift that’s extremely practical but also not forgotten!
The jaw and stomach of the anglerfish can extend to allow it to consume prey up to twice its size. Because of the limited amount of food available in the anglerfish's environment, this adaptation allows the anglerfish to store food when there is an abundance. [25] Predation [ edit ] Skeleton of the anglerfish Lophius piscatorius: The first spine of the dorsal fin of the anglerfish acts as a fishing rod with a lure. A mitochondrial genome phylogenetic study suggested the anglerfishes diversified in a short period of the early to mid- Cretaceous, between 130 and 100million years ago. [5] Classification [ edit ] The methods anglerfish use to locate mates vary. Some species have minute eyes that are unfit for identifying females, while others have underdeveloped nostrils, making them unlikely to effectively find females by scent. [4] When a male finds a female, he bites into her skin, and releases an enzyme that digests the skin of his mouth and her body, fusing the pair down to the blood-vessel level. [33] The male becomes dependent on the female host for survival by receiving nutrients via their shared circulatory system, and provides sperm to the female in return. After fusing, males increase in volume and become much larger relative to free-living males of the species. They live and remain reproductively functional as long as the female lives, and can take part in multiple spawnings. [4] This extreme sexual dimorphism ensures that when the female is ready to spawn, she has a mate immediately available. [33] Multiple males can be incorporated into a single individual female with up to eight males in some species, though some taxa appear to have a "one male per female" rule. [4] Pietsch, Theodore W. (2009). Oceanic anglerfishes: extraordinary diversity in the deep sea. Berkeley: University of California Press. ISBN 978-0-520-94255-4. OCLC 1298208235. a b c d Baker, Lydia J.; Freed, Lindsay L.; Easson, Cole G.; Lopez, Jose V.; Fenolio, Danté; Sutton, Tracey T.; Nyholm, Spencer V.; Hendry, Tory A. (1 October 2019). "Diverse deep-sea anglerfishes share a genetically reduced luminous symbiont that is acquired from the environment". eLife. 8: e47606. doi: 10.7554/eLife.47606. ISSN 2050-084X. PMC 6773444. PMID 31571583. {{ cite journal}}: CS1 maint: unflagged free DOI ( link)
a b Munk, Ole; Hansen, Kjeld; Herring, Peter J. (2009). "On the Development and Structure of the Escal Light Organ of Some Melanocetid Deep Sea Anglerfishes (Pisces: Ceratioidei)". Journal of the Marine Biological Association of the United Kingdom. 78 (4): 1321. doi: 10.1017/S0025315400044520. ISSN 0025-3154. S2CID 84603596. The light gland is always open to the exterior, so it is possible that the fish acquires the bacteria from the seawater. However, it appears that each species uses its own particular species of bacteria, and these bacteria have never been found in seawater. Haygood (1993) theorized that esca discharge bacteria during spawning and the bacteria are thereby transferred to the eggs. [18] The spawn of the anglerfish of the genus Lophius consists of a thin sheet of transparent gelatinous material 25cm (10in) wide and greater than 10m (33ft) long. [35] Such an egg sheet is rare among fish. The eggs in this sheet are in a single layer, each in its own cavity. The spawn is free in the sea. The larvae are free-swimming and have the pelvic fins elongated into filaments. [21] Threats [ edit ]Giorgio Carnevale; Theordore W. Pietsch (12 June 2009). "The deep-sea anglerfish genus Acentrophryne (Teleostei, Ceratioidei, Linophrynidae) in the Miocene of California" (PDF). Journal of Vertebrate Paleontology. 29 (2): 372–378. doi: 10.1671/039.029.0232. ISSN 0272-4634. Wikidata Q114229338. Nik Burns is a renowned metal sculptor with a studio based in England. His work features a blend of nature with machine and is central to his practice offering a common theme throughout these very unusual artwork pieces. The sculptures are made predominantly from wood and metal and designed for interior display. Prince, E. E. 1891. Notes on the development of the angler-fish ( Lophius piscatorius). Ninth Annual Report of the Fishery Board for Scotland (1890), Part III: 343–348. Carnevale, Giorgio; Theodore W. Pietsch; Gary T. Takeuchi; Richard W. Huddleston (2008). "Fossil Ceratioid Anglerfishes (Teleostei: Lophiformes) from the Miocene of the Los Angeles Basin, California" (PDF). Journal of Paleontology. 82 (5): 996–1008. doi: 10.1666/07-113.1. S2CID 129926776. Archived from the original (PDF) on 3 March 2016 . Retrieved 27 October 2022.
FishBase, [1] Nelson, [6] and Pietsch [7] list 18 families, but ITIS [8] lists only 16. The following taxa have been arranged to show their evolutionary relationships. [4]The name "anglerfish" derives from the species' characteristic method of predation. Anglerfish typically have at least one long filament sprouting from the middle of their heads, termed the illicium. The illicium is the detached and modified first three spines of the anterior dorsal fin. In most anglerfish species, the longest filament is the first. This first spine protrudes above the fish's eyes and terminates in an irregular growth of flesh (the esca), and can move in all directions. Anglerfish can wiggle the esca to make it resemble a prey animal, which lures the anglerfish's prey close enough for the anglerfish to devour them whole. [26] Some deep-sea anglerfish of the bathypelagic zone also emit light from their esca to attract prey. [27] Yasugi, Masaki; Hori, Michio (June 2016). "Predominance of parallel- and cross-predation in anglerfish". Marine Ecology. 37 (3): 576–587. doi: 10.1111/maec.12309. Hendry, Tory A.; Freed, Lindsay L.; Fader, Dana; Fenolio, Danté; Sutton, Tracey T.; Lopez, Jose V. (26 June 2018). Moran, Nancy A. (ed.). "Ongoing Transposon-Mediated Genome Reduction in the Luminous Bacterial Symbionts of Deep-Sea Ceratioid Anglerfishes". mBio. 9 (3): e01033–18, /mbio/9/3/mBio.01033–18.atom. doi: 10.1128/mBio.01033-18. ISSN 2150-7511. PMC 6020299. PMID 29946051.
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