Cryptogonimidae (Digenea: Trematoda) from Philippine Food Fishes

Velasquez, Carmen C.

doi:10.2307/3275019

Cited by 8 publications

(23 citation statements)

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“…nov. can be distinguished from all other Siphoderina species by the combination of body size, the elongate body, oral spine number ( Table V) and testes that are strongly oblique to nearly tandem. This species is remarkably similar in oral spine number, body shape and testes arrangement to Pseudallacanthochasmus grandispinus Velasquez, 1961, which was described by Velasquez (1961) from an unidentified species of Lutjanus from the Philippines; a new genus Pseudallacanthochasmus Velasquez, 1961, was proposed because the testes were tandem. A second species, P. magnivesiculum (Gaevskaya et Aljoshkina, 1985) was described by Gaevskaya and Aljoshkina (1985) from the sparid Dentex canariensis in the eastern Atlantic and transferred to Pseudallacanthochasmus based on morphological agreement (Miller and Cribb, 2008).…”

Section: Remarksmentioning

confidence: 99%

“…Because oral spines are easily lost or overlooked in species of this new genus and the specimens reported by Saoud et al (1988) agree morphologically with them, we conclude that the report of S. leilae from L. fulviflamma is a misidentification and is not recognized as being reported from this host here. Siphoderina acanthostomus has been reported from lutjanids (Yamaguti 1934, Velasquez 1961, Parukhin 1976, Nahhas 2003 and terapontids (Yamaguti 1934) in the Indo-Pacific. Siphoderina americanus has been reported from 11 different host species including lutjanids (Manter 1940, SogandaresBernal 1959, Overstreet 1969, Hafeezullah and Siddiqi 1970, Fischthal 1977, batrachoidiids (Yamaguti 1971), centropomids (Lamothe-Argumedo 1969) and serranids (Fischthal 1977) Pacific oceans.…”

Section: Host Distributionmentioning

confidence: 99%

“…Etymology: The epithet quasispina is derived from the Latin quasi, meaning 'appearing as if' and the Latin spina, meaning spine, referring to the resemblance of this species to Siphoderina grandispinus (Velasquez, 1961) n. comb. It stands as a noun in apposition.…”

Section: Remarksmentioning

confidence: 99%

“…Twenty-one species of Siphoderina have been reported from the Indo-Pacific and nineteen of these have been described from species of Lutjanidae or Haemulidae: S. acanthostomus (Yamaguti, 1934) was described by Yamaguti (1934) from Lutjanus vitta off Japan; S. apharei (Yamaguti, 1970) was described by Yamaguti (1970) from Aphareus rutilans off Hawaii; S. asiatica Gu et Shen, 1979 was described by Gu and Shen (1979) from L. fulviflamma off China; S. brevicaeca (Nahhas, Tran et Nguyen, 2003) was described by Nahhas et al (2003) from L. fulvus off Fiji; S. catalae (Durio et Manter, 1969) was described by Durio and Manter (1969) from an unidentified Lutjanus species off New Caledonia; S. echinostomus (Oshmarin, Mamaev et Parukhin, 1961) was described by Oshmarin et al (1961) from Pristipomoides typus from the Gulf of Tonkin; S. hirastricta (Manter, 1963) was described by Manter (1963) from an unidentified lutjanid locally called "damu" (the local name damu refers to L. argentimaculatus) off Fiji; S. manilensis (Velasquez, 1961) was described by Velasquez (1961) from L. vitta off the Philippines (this species is currently being transferred to a new genus based on the reevaluation of type-material and specimens recovered from L. vitta off the Great Barrier Reef and, T.L. Miller and T.H.…”

Section: Introductionmentioning

confidence: 99%

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Eight new species of Siphoderina Manter, 1934 (Digenea, Cryptogonimidae) infecting Lutjanidae and Haemulidae (Perciformes) off Australia

Miller

Cribb

2008

Acta Parasitologica

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We report nine species, eight of which are new, of cryptogonimids belonging to Siphoderina Manter, 1934 from the intestine and pyloric caeca of five species of Lutjanidae (Lutjanus adetii, L. argentimaculatus, L. carponotatus, L. fulviflamma and L. russelli) and one species of Haemulidae (Plectorhinchus gibbosus) recovered from Heron and Lizard Islands off the Great Barrier Reef, Moreton Bay and Ningaloo Reef in Western Australia. We also report the metacercariae of two species from an atherinid fish, Atherinomorus capricornensis, from near Heron Island. Morphological analysis of the species reported here was augmented by DNA sequence analyses utilizing data from the internal transcribed spacers (ITS) 1 and 2, large subunit (LSU) and 5.8S nuclear ribosomal DNA to explore the integrity of the species and their biogeographic distributions. The analysis found strong support for the integrity of Siphoderina and found that it is the sister-taxon to Beluesca Miller et Cribb, 2007. Sequencing included multiple replicates and no intraspecific variation was observed between any of the taxa over the rDNA regions examined. Sequence data from the ITS and LSU regions were analysed with that of species of Beluesca, Caulanus Miller et Cribb, 2007, Chelediadema Miller et Cribb, 2007, Latuterus Miller et Cribb, 2007, Neometadena Hafeezullah et Siddiqi, 1970 and Retrovarium Miller et Cribb, 2007 which all also infect lutjanids or haemulids. Some closely related species of Siphoderina infect only distantly related fishes among the haemulids and lutjanids whereas others form clusters in association with clusters of closely related lutjanids. This pattern suggests a history of some co-evolutionary divergence together with significant host switching. Pseudallacanthochasmus Velasquez, 1961 is considered a synonym of Siphoderina and the new combinations S. grandispinus (Velasquez, 1961) n. comb. and S. magnivesiculum (Gaevskaya et Aljoshkina, 1985) n. comb. are proposed. As a result of the new species described here and these new combinations, Siphoderina now contains 43 species, making it by far the largest genus of the Cryptogonimidae.

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Section: Remarksmentioning

confidence: 99%

Section: Host Distributionmentioning

confidence: 99%

Section: Remarksmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Eight new species of Siphoderina Manter, 1934 (Digenea, Cryptogonimidae) infecting Lutjanidae and Haemulidae (Perciformes) off Australia

Miller

Cribb

2008

Acta Parasitologica

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“…Recent surveys have suggested that cryptogonimids are extraordinarily concentrated and rich in fishes of the Lutjanidae and Haemulidae in the Indo-Pacific (Velasquez 1961(Velasquez , 1975Manter 1963;Durio and Manter 1969;Yamaguti 1970;Miller and Cribb 2005, 2007a, c, d, 2008a. A continued study of the cryptogonimid fauna of coral reef fishes from Australia, New Caledonia and the Maldives revealed the presence of a new genus infecting species of Lutjanus at these localities.…”

Section: Introductionmentioning

confidence: 99%

Varialvus gen. nov. (Digenea, Cryptogonimidae), from species of Lutjanidae (Perciformes) off the Great Barrier Reef, New Caledonia and the Maldives

Miller¹,

Bray

Justine³

et al. 2010

Acta Parasitologica

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A survey of the cryptogonimid trematode fauna infecting Indo-West Pacific Lutjanidae (Perciformes) revealed the presence of four new species whose morphological and genetic differences relative to all other known cryptogonimids warrants the proposal of a new genus, Varialvus gen. nov. Species of this new genus were recovered from sites off Heron and Lizard Islands on the Great Barrier Reef, Australia, New Caledonia and Rasdhoo Atoll, Maldives. Varialvus gen. nov. is distinguished from all other cryptogonimid genera by the combination of a fusiform to oval body, the relatively small number of large oral spines, a median ovary which is relatively condensed and highly lobed, opposite to slightly oblique testes, uterine loops that are restricted to the hindbody and extend well posterior to the testes, and vitelline follicles that are mainly in the forebody but may extend from the anterior margin of the ovary to anterior to the intestinal bifurcation. Bayesian inference analysis of partial large subunit (LSU) rDNA sequence data for these species revealed that they formed a monophyletic clade, despite V. charadrus sp. nov. having a distinctly muscular gonotyl, which based on morphological characters alone may have warranted placement in a separate genus in the absence of DNA sequence data. At least one species of Varialvus gen. nov. is apparently widespread in the Indo-West Pacific. Three species, V. lacertus sp. nov., V. jenae sp. nov. and V. angustus sp. nov. have each been found at only one locality, but V. charadrus sp. nov. was recovered from lutjanids off the Great Barrier Reef, New Caledonia and the Maldives, demonstrating a biogeographic range of at least 10,000 kilometres. Siphoderina lutjani (Saoud, Ramadan et Al Kawari, 1988) Miller et Cribb, 2008 is transferred here as V. lutjani (Saoud, Ramadan et Al Kawari, 1988) n. comb. based on morphological and host group agreement with species of Varialvus gen. nov.

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Cryptic species of Euryakaina n. g. (Digenea: Cryptogonimidae) from sympatric lutjanids in the Indo-West Pacific

et al. 2010

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A survey of the endohelminth fauna of Indo-West Pacific Lutjanidae (Perciformes) revealed the presence of the species Siphoderina manilensis (Velasquez, 1961) Miller & Cribb, 2008 and S. marina (Hafeezullah & Siddiqi, 1970) Miller & Cribb, 2008 in seven Lutjanus spp. from sites off the Great Barrier Reef, the Maldives, New Caledonia and Ningaloo Reef, Western Australia. A combination of morphological and ribosomal DNA analyses of these cryptogonimids prompted the transfer of these taxa to a new genus, Euryakaina n. g., as E. manilensis n. comb. and E. marina n. comb., based on comparative analysis with other cryptogonimid taxa. Euryakaina n. g. is distinguished from all other cryptogonimid genera by the combination of a fusiform body, the few relatively small, widely spaced oral spines (sometimes absent), a highly lobed ovary, opposite to slightly oblique testes, vitelline follicles that extend from the anterior margin of the testes to slightly posterior to the intestinal bifurcation, and an excretory vesicle that bifurcates dorsal to the ovary and reunites briefly slightly posterior to the intestinal bifurcation. Morphometric analysis of these taxa alone suggests they should be reduced to synonymy, but DNA sequence analyses and ecological niche partitioning provide evidence that they form a cryptic species complex in sympatric lutjanids in the Indo-West Pacific. The secondary structure of the ITS2 rDNA for species of Euryakaina was also modelled and analysed for the presences of compensatory base changes (CBCs) or hemi-CBCs in order to explore the usefulness of these changes as a tool to help elucidate the taxonomy of this complex system. We also report what we interpret here as intraspecific variation in the ITS2 rDNA between individuals of E. manilensis from Lutjanus vitta recovered off the Great Barrier Reef and New Caledonia.

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Cryptogonimidae (Digenea: Trematoda) from Philippine Food Fishes

Cited by 8 publications

References 0 publications

Eight new species of Siphoderina Manter, 1934 (Digenea, Cryptogonimidae) infecting Lutjanidae and Haemulidae (Perciformes) off Australia

Eight new species of Siphoderina Manter, 1934 (Digenea, Cryptogonimidae) infecting Lutjanidae and Haemulidae (Perciformes) off Australia

Varialvus gen. nov. (Digenea, Cryptogonimidae), from species of Lutjanidae (Perciformes) off the Great Barrier Reef, New Caledonia and the Maldives

Cryptic species of Euryakaina n. g. (Digenea: Cryptogonimidae) from sympatric lutjanids in the Indo-West Pacific

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