Microcotyle gimpo

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Microcotyle gimpo
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Monogenea
Order: Mazocraeidea
Family: Microcotylidae
Genus: Microcotyle
Species:
M. gimpo
Binomial name
Microcotyle gimpo
Yamaguti, 1958
Synonyms
  • Paramicrocotyle gimpo(Yamaguti, 1958) Caballero & Bravo-Hollis, 1972 [1] [2]
  • Caenomicrocotyle (Caenomicrocotyle) gimpo(Yamaguti, 1958) Unnithan1971 [1] [3]

Microcotyle gimpo is a species of monogenean, parasitic on the gills of a marine fish. It belongs to the family Microcotylidae. [1]

Contents

Taxonomy

Microcotyle gimpo was described by Satyu Yamaguti in 1958, based on one immature and two mature specimens from the gills of Enedrias nebulosus (Pholidae) (currently Pholis nebulosa ). [1] In 1972, Caballero y Caballero and Bravo-Hollis erected the genus Paramicrocotyle to describe Paramicrocotyle tampicensis and Paramicrocotyle atriobursata off Mexico, and placed within this genus sixteen species previously assigned to the genus Microcotyle . [4] including M. gimpo. [2] Unnithan (1971) placed M. gimpo in his new genus and subgenus Caenomicrocotyle as Caenomicrocotyle (Caenomicrocotyle) gimpo. [3] However, this species was returned to the genus Microcotyle by Mamaev (1986) who considered Paramicrocotyle a junior subjective synonym of Microcotyle . [5]

Description

Microcotyle gimpo has the general morphology of all species of Microcotyle , with a symmetrical fusiform body with a rounded anterior extremity, comprising an anterior part which contains most organs and a posterior part called the haptor. The haptor is symmetrical, and bears 58-64 clamps, arranged as two rows, one on each side. The clamps of the haptor attach the animal to the gill of the fish. There are also two buccal suckers at the anterior extremity with distinct partition. The digestive organs include an anterior, terminal mouth, a pharynx, a wide oesophagus bifurcating immediately behind the genital pore and a posterior intestine with two lateral branches provided with numerous secondary branches; the left branch extends into the haptor further backward than the right one. Each adult contains male and female reproductive organs. The reproductive organs include an anterior genital atrium, armed with numerous very spines, a medio-dorsal vagina, a single ovary shaped like an interrogation mark and 13-18 testes occupying the whole postovarian intercoecal field. The eggs are fusiform, thick-shelled and tapering into a short blunt-pointed process at one end and a longer pointed process at the other. [1]

Hosts and localities

Enedrias nebulosus is the type host of Microcotyle gimpo Naturalis Biodiversity Center - RMNH.ART.234 - Enedrias nebulosus (Temminck and Schlegel) - Kawahara Keiga - 1823 - 1829 - Siebold Collection - pencil drawing - water colour.jpeg
Enedrias nebulosus is the type host of Microcotyle gimpo

The type-host is Enedrias nebulosus (Pholidae) (currently Pholis nebulosa ). The type-locality is the Inland Sea of Japan. [1] [6] [7]

Related Research Articles

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<i>Microcotyle archosargi</i> Species of worm

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References

  1. 1 2 3 4 5 6 Yamaguti, S. (1958). Studies on the helminth fauna of Japan. Part 53. Trematodes of fishes, XII. Publications of the Seto Marine Biological Laboratory, 7, 53-88.
  2. 1 2 Caballero y Caballero, E., & Bravo-Hollis, M. (1972). Monogenea (van Beneden, 1858) Carus, 1863 de peces marinos del litoral Mexicano del Golfo de Mexico y del Mar Caribe.V. Revista de Biología Tropical, 20, 151-165. PDF Open Access logo PLoS transparent.svg
  3. 1 2 Unnithan, R. V. (1971). On the functional morphology of a new fauna of Monogenoidea on fishes from Trivandrum and environs. Part IV. Microcotylidae sensu stricto and its repartition into subsidiary taxa. American Midland Naturalist, 366-398.
  4. Mendoza-Franco, Edgar F.; Rosado Tun, Mariela del Carmen; Duarte Anchevida, Allan de Jesús; del Rio Rodríguez, Rodolfo E. (2018). "Morphological and molecular (28S rRNA) data of monogeneans (Platyhelminthes) infecting the gill lamellae of marine fishes in the Campeche Bank, southwest Gulf of Mexico". ZooKeys (783): 125–161. Bibcode:2018ZooK..783..125M. doi: 10.3897/zookeys.783.26218 . ISSN   1313-2970. PMC   6160863 . PMID   30275730. Open Access logo PLoS transparent.svg
  5. Mamaev, Y. L. (1986). The taxonomical composition of the family Microcotylidae Taschenberg, 1879 (Monogenea). Folia Parasitologica, 33, 199-206. PDF Open Access logo PLoS transparent.svg
  6. Nitta, M., & Nagasawa, K. (2015). A checklist of the monogeneans (Platyhelminthes) parasitic on fishes and invertebrates of the Seto Inland Sea, Japan (1894–2015), with new locality records for Anoplodiscus spari (Anoplodiscidae) and Dactylogyryus gotoi (Dactylogyridae). Bulletin of the Hiroshima University Museum, 7, 117-127. PDF Open Access logo PLoS transparent.svg
  7. Kamegai S, Ichihara A. 1972. A check list of the helminths from Japan and adjacent areas. Part I. Fish parasites reported by S. Yamaguti from Japanese waters and adjacent areas. Research Bulletin of the Meguro Parasitological Museum 6: 1-43.