Marine fish parasitology in South Africa: history of discovery and future direction

Smit, Nico J.; Hadfield, Kerry A.

doi:10.1080/15627020.2015.1043644

Cited by 21 publications

(13 citation statements)

References 102 publications

(116 reference statements)

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“…The parasite diversity of South African marine fishes has rarely been studied and the discoveries of new species from numerous groups of parasites including acanthocephalans are highly expected (Smit and Hadfield 2015). Our knowledge of the acanthocephalan fauna of marine fishes from the waters around South Africa is restricted to two articles published by Dollfus and Golvan (1963) and Bray (1974).…”

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confidence: 99%

Three new species of acanthocephalans (Palaeacanthocephala) from marine fishes collected off the East Coast of South Africa

et al. 2019

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Three new species of acanthocephalans are described from marine fishes collected in Sodwana Bay, South Africa: Rhadinorhynchus gerberi n. sp. from Trachinotus botla (Shaw), Pararhadinorhynchus sodwanensis n. sp. from Pomadasys furcatus (Bloch et Schneider) and Transvena pichelinae n. sp. from Thalassoma purpureum (Forsskål). Transvena pichelinae n. sp. differs from the single existing species of the genus Transvena annulospinosa Pichelin et Cribb, 2001, by the lower number of longitudinal rows of hooks (10-12 vs 12-14, respectively) and fewer hooks in a row (5 vs 6-8), shorter blades of anterior hooks (55-63 vs 98), more posterior location of the ganglion (close to the posterior margin of the proboscis receptacle vs mid-level of the proboscis receptacle) and smaller eggs (50-58 × 13 µm vs 62-66 × 13-19 µm). Pararhadinorhynchus sodwanensis n. sp. differs from all known species of the genus by a combination of characters. It closely resembles unidentified species Pararhadinorhynchus sp. sensu Weaver and Smales (2014) in the presence of a similar number of longitudinal rows of hooks on the proboscis (16-18 vs 18) and hooks in a row (11-13 vs 13-14), but differs in the position of the lemnisci (extend to the level of the posterior end of the proboscis receptacle or slightly posterior vs extend to the mid-level of the receptacle), length of the proboscis receptacle (910-1180 µm vs 1,460 µm) and cement glands (870-880 µm vs 335-350 µm). Rhadinorhynchus gerberi n. sp. is distinguishable from all its congeners by a single field of 19-26 irregular circular rows of the tegumental spines on the anterior part of the trunk, 10 longitudinal rows of hooks on the proboscis with 29-32 hooks in each row, subterminal genital pore in both sexes, and distinct separation of the opening of the genital pore from the posterior edge of the trunk (240-480 μm) in females. Sequences for the 18S rDNA, 28S rDNA and cox1 genes were generated to molecularly characterise the species and assess their phylogenetic position. This study provides the first report based on molecular evidence for the presence of species of Transvena Pichelin et Cribb, 2001 and Pararhadinorhynchus Johnston et Edmonds, 1947 in African coastal fishes.

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Three new species of acanthocephalans (Palaeacanthocephala) from marine fishes collected off the East Coast of South Africa

et al. 2019

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“…The department also has a group working on marine copepods run by Prof. Susan Dippenaar whose activities feature in Smit and Hadfield (2015). There is clearly also collaboration between the two groups as is evident from a co-authored paper describing a new freshwater lernaeid species Lamproglena hoi by Dippenaar et al (2001).…”

Section: Aquatic Parasitology At the University Of Limpopomentioning

confidence: 82%

“…His main field of research is gnathiid isopods of marine fish and blood parasites of aquatic and reptile hosts. His and other marine work is summarised in Smit and Hadfield (2015). During his tenure at UJ he collaborated with the UFS group and produced a number of papers on trypanosomes from Okavango fishes already referred to previously, as well as a paper on trypanosomes from fishes in the Zambezi River (Smit et al 2008).…”

Section: Aquatic Parasitology At the University Of The Free State 198mentioning

confidence: 96%

A brief history of freshwater fish parasitology in southern Africa

2015

African Zoology

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“…For example it is estimated that many of South Africa’s marine fish parasites have yet to be discovered (Smit and Hadfield 2015). South Africa has an extremely rich biodiversity (Huntley et al 2005), with nearly 8% of the world’s known species of birds, 6% of mammal species and 5% of reptile species (Driver et al 2012).…”

Section: Resultsmentioning

confidence: 99%

Checklist of acanthocephalan parasites of South Africa

Halajian¹,

Warner²,

Tavakol³

et al. 2018

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Twenty-one species of acanthocephalans, representative of thirteen genera from ten families of seven orders and three classes, are included in this updated checklist of acanthocephalans in South Africa.Although South Africa appears to have a less diverse acanthocephalan fauna compared to some other countries such as Iran in Asia, or Brazil in South America, this is probably an artefact of fewer parasitological surveys.

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Marine fish parasitology in South Africa: history of discovery and future direction

Cited by 21 publications

References 102 publications

Three new species of acanthocephalans (Palaeacanthocephala) from marine fishes collected off the East Coast of South Africa

Three new species of acanthocephalans (Palaeacanthocephala) from marine fishes collected off the East Coast of South Africa

A brief history of freshwater fish parasitology in southern Africa

Checklist of acanthocephalan parasites of South Africa

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