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Article: Unusual pathology of the vertebrae and dorsal fin rays of the yellow conger pike eel, Congresox talabonoides, from Hong Kong

TitleUnusual pathology of the vertebrae and dorsal fin rays of the yellow conger pike eel, Congresox talabonoides, from Hong Kong
Authors
Issue Date1991
PublisherWB Saunders Co Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jcpa
Citation
Journal Of Comparative Pathology, 1991, v. 104 n. 3, p. 269-279 How to Cite?
AbstractCongresox talabonoides, the yellow conger pike eel, caught near Hong Kong, shows a high incidence of abnormal vertebrae and dorsal fin rays. Of 423 C. talabonoides examined during 1967-69, 244 (57.7 per cent) had a total of 999 macroscopically enlarged vertebrae, but 100 of each of the related species Muraenesox bagio and M. cinereus were unaffected. The gross and histological changes were investigated in 20 freshly caught specimens. Small eels (<80 cm) were not affected. Bigger specimens showed symmetrically enlarged, densely calcified vertebrae and fin rays, with more bones affected as the fish grew larger. X-rays showed that the calcification was uniform; various degrees of change were seen in X-rays of the fin rays, but the vertebrae appeared either highly radio-dense or normal. Histological examination showed deposition of dense cancellous lamellar bone, which appeared organized rather than random. In the case of the fin rays, the new bone surrounded each ray, but in the vertebrae the normal structure was replaced, then expanded. There is no clearly comparble pathology in mammals. Similar lesions in other species of fish have been attributed to toxins, but the incidence of C. talabonoides seems exceptional.
Persistent Identifierhttp://hdl.handle.net/10722/147884
ISSN
2015 Impact Factor: 1.173
2015 SCImago Journal Rankings: 0.705
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWilliamson, GRen_US
dc.contributor.authorCollins, RJen_US
dc.contributor.authorHiggins, DAen_US
dc.date.accessioned2012-05-29T06:09:44Z-
dc.date.available2012-05-29T06:09:44Z-
dc.date.issued1991en_US
dc.identifier.citationJournal Of Comparative Pathology, 1991, v. 104 n. 3, p. 269-279en_US
dc.identifier.issn0021-9975en_US
dc.identifier.urihttp://hdl.handle.net/10722/147884-
dc.description.abstractCongresox talabonoides, the yellow conger pike eel, caught near Hong Kong, shows a high incidence of abnormal vertebrae and dorsal fin rays. Of 423 C. talabonoides examined during 1967-69, 244 (57.7 per cent) had a total of 999 macroscopically enlarged vertebrae, but 100 of each of the related species Muraenesox bagio and M. cinereus were unaffected. The gross and histological changes were investigated in 20 freshly caught specimens. Small eels (<80 cm) were not affected. Bigger specimens showed symmetrically enlarged, densely calcified vertebrae and fin rays, with more bones affected as the fish grew larger. X-rays showed that the calcification was uniform; various degrees of change were seen in X-rays of the fin rays, but the vertebrae appeared either highly radio-dense or normal. Histological examination showed deposition of dense cancellous lamellar bone, which appeared organized rather than random. In the case of the fin rays, the new bone surrounded each ray, but in the vertebrae the normal structure was replaced, then expanded. There is no clearly comparble pathology in mammals. Similar lesions in other species of fish have been attributed to toxins, but the incidence of C. talabonoides seems exceptional.en_US
dc.languageengen_US
dc.publisherWB Saunders Co Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jcpaen_US
dc.relation.ispartofJournal of Comparative Pathologyen_US
dc.subject.meshAnimalsen_US
dc.subject.meshBone Densityen_US
dc.subject.meshBone Diseases - Pathology - Radiography - Veterinaryen_US
dc.subject.meshCalcinosis - Pathology - Radiography - Veterinaryen_US
dc.subject.meshEels - Anatomy & Histologyen_US
dc.subject.meshFish Diseases - Pathology - Radiographyen_US
dc.subject.meshHong Kongen_US
dc.titleUnusual pathology of the vertebrae and dorsal fin rays of the yellow conger pike eel, Congresox talabonoides, from Hong Kongen_US
dc.typeArticleen_US
dc.identifier.emailCollins, RJ:rcollins@hkucc.hku.hken_US
dc.identifier.authorityCollins, RJ=rp00251en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid2061427en_US
dc.identifier.scopuseid_2-s2.0-0025818368en_US
dc.identifier.volume104en_US
dc.identifier.issue3en_US
dc.identifier.spage269en_US
dc.identifier.epage279en_US
dc.identifier.isiWOS:A1991FJ09900004-
dc.publisher.placeUnited Kingdomen_US

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