Rhadinorhynchidae Explained

Rhadinorhynchidae[1] is a family of parasitic worms from the order Echinorhynchida.

Species

Rhadinorhynchidae has 4 subfamilies (Golvanacanthinae, Gorgorhynchinae, Rhadinorhynchinae, and Serrasentoidinae) and the following species:[2]

Golvanacanthinae Paggi and Orecchia, 1972

Golvanacanthus

See main article: Golvanacanthus. Golvanacanthus Paggi and Orecchia, 1972 contains one species:

Gorgorhynchinae Van Cleave & Lincicome, 1940

Australorhynchus Lebedev, 1967

Cleaveius Subrahmanian, 1927

Edmondsacanthus Smales, 2009

Gorgorhynchus Chandler, 1934

G. occultus has been found parasitising the Cobbler wobbegong (Sutorectus tentaculatus) in Bunbury, Western Australia. The proboscis of this worm has 18 to 20 rows of 8 or 9 hooks followed by a well-developed neck. The body contains irregular circles of small spines in a single anterior portion. The male reproductive system limited to the posterior quarter of the trunk. There are three cement glands.[3]

Leptorhynchoides Kostylev, 1924

Metacanthocephaloides Yamaguti, 1959

Metacanthocephalus Yamaguti, 1959

Micracanthorhynchina Strand, 1936

Paracanthorhynchus Edmonds, 1967

Pseudauchen Yamaguti, 1963

Pseudoleptorhynchoides Salgado-Maldonado, 1976

Rhadinorhynchinae Lühe, 1912

Cathayacanthus Golvan, 1969

Megistacantha Golvan, 1960

Paragorgorhynchus Golvan, 1957

Pseudogorgorhynchus Moravec, Wolter & Korting, 2000

Raorhynchus Tripathi, 1959

Rhadinorhynchus Lühe, 1911

R. decapteri is a parasite of the marine fish Round scad (Decapterus punctatus) and is found coastal waters of Brazil. It has 10 longitudinal rows of 22–26 hooks. The species name decapteri was derived from the genus (Decapterus) of the type host.[7]

R. mariserpentis parasitizes the Oarfish, Regalecus russelii and has been collected near Wakamatsu-ku, Kitakyūshū, Japan.

R. trachuri is one of the most widespread acanthocephalans infesting fish from the Eastern Pacific, Western Pacific, and Indian Oceans. On the South pacific coast of Vietnam, it was found infesting the Frigate tuna (Auxis thazard), and the Torpedo scad (Megalaspis cordyla).[10]

Slendrorhynchus Amin & Sey, 1996

Serrasentoidinae Parukhin, 1982

Serrasentoides Parukhin, 1971

Hosts

Rhadinorhynchidae species parasitize fish hosts.

Notes and References

  1. Van Cleave. Harley J.. Lincicome. David R.. A Reconsideration of the Acanthocephalan Family Rhadinorhynchidae. Journal of Parasitology. 26. 1. 1940. 75. 0022-3395. 10.2307/3272266. 3272266.
  2. Web site: ITIS - Report: Rhadinorhynchidae.
  3. Smales, L.R., Barton, D.P. & Chisholm, L.A. Acanthocephalans from Australian elasmobranchs (Chondrichthyes) with a description of a new species in the genus Gorgorhynchus Chandler, 1934 (Rhadinorhynchidae). Syst Parasitol 96, 565–573 (2019). https://doi.org/10.1007/s11230-019-09871-x
  4. Amin. Omar Mohamed. Heckmann. Richard Anderson. Ha. Nguyen Van. Acanthocephalans from fishes and amphibians in Vietnam, with descriptions of five new species. Parasite. 21. 2014. 53. 1776-1042. 10.1051/parasite/2014052. 4204126. 25331738.
  5. Van Ha. Nguyen. Amin. Omar M.. Ngo. Ha Duy. Heckmann. Richard A.. Descriptions of acanthocephalans, Cathayacanthus spinitruncatus (Rhadinorhynchidae) male and Pararhadinorhynchus magnus n. sp. (Diplosentidae), from marine fish of Vietnam, with notes on Heterosentis holospinus (Arhythmacanthidae). Parasite. 25. 2018. 35. 1776-1042. 10.1051/parasite/2018032. 6057740. 30040609.
  6. Kvach Y.. Jirků M.. Scholz T.. 2016. Acanthocephalans of the genus Megistacantha Golvan, 1960 (Palaeacanthocephala: Rhadinorhynchidae) in two African mormyrid fishes (Actinopterygii: Mormyridae). Systematic Parasitology. 93. 9. 927–933 . 10.1007/s11230-016-9672-6. 27743240. 3533884.
  7. Braicovich, P. E., Lanfranchi, A. L., Farber, M. D., Marvaldi, A. E., Luque, J. L. & Timi, J. T. (2014). Genetic and morphological evidence reveals the existence of a new family, genus and species of Echinorhynchida (Acanthocephala). Folia Parasitologica, 61(4), 377–384.url=https://ri.conicet.gov.ar/bitstream/handle/11336/32227/CONICET_Digital_Nro.b0fcac17-fd1e-44a2-b39d-2aa43e46a71c_A.pdf?sequence=2&isAllowed=y
  8. Amin. Omar Mohamed. Heckmann. Richard Anderson. Dallarés. Sara. Constenla. María. Ha. Nguyen Van. Morphological and molecular description of Rhadinorhynchus laterospinosus Amin, Heckmann & Ha, 2011 (Acanthocephala, Rhadinorhynchidae) from marine fish off the Pacific coast of Vietnam. Parasite. 26. 2019. 14. 1776-1042. 10.1051/parasite/2019015. 30838975. 6402367. free.
  9. Amin. Omar M.. Heckmann. Richard A.. Rhadinorhynchus oligospinosus n. sp. (Acanthocephala, Rhadinorhynchidae) from mackerels in the Pacific Ocean off Peru and related rhadinorhynchids in the Pacific, with notes on metal analysis. Parasite. 24. 2017. 19. 1776-1042. 10.1051/parasite/2017022. 5467225. 28593837.
  10. Amin, O.M. Redescription of Rhadinorhynchus trachuri Harada, 1935 (Acanthocephala: Rhadinorhynchidae) from Marine Fish in Vietnam and California with a Discussion of its Zoogeography. Acta Parasit. (2019). https://doi.org/10.2478/s11686-019-00130-z

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