Skip to main content
Have a personal or library account? Click to login
Skeletal deformities in the invasive pumpkinseed sunfish (Lepomis gibbosus) inhabiting Turkish inland waters Cover

Skeletal deformities in the invasive pumpkinseed sunfish (Lepomis gibbosus) inhabiting Turkish inland waters

Open Access
|Sep 2026

References

  1. Abed, J. M., Jawad, L. A., & Ankush, M. A. (2024). Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, Iraq. Fisheries & Aquatic Life, 32(4), 227–234. https://doi.org/10.2478/aopf-2024-0020
  2. Ağdamar, S., Tarkan, A. S., Keskin, E., Top, N., Doğaç, E., Baysal, Ö, & Emiroğlu, Ö. (2015). The role of environmental factors and genetic diversity on colonization success of a non-native fish, Lepomis gibbosus from western part of Turkey. Biochemical Systematics and Ecology, 58(1), 195–203. https://doi.org/10.1016/j.bse.2014.12.001
  3. Alpaslan, Z., Güçlü, S. S., Arslan, A., & Jawad, L. A. (2026). Scoliosis deformity in Alburnus escherichii, an endemic freshwater leuciscid (Teleostei) from the Sakarya River Basin, Türkiye: Morphological description and a case study. Oceanological and Hydrobiological Studies, 55(2), 158–168. https://doi.org/10.26881/oahs-2026.1.09
  4. Arratia, G., & Schultze, H.-P. (1992). Reevaluation of the caudal skeleton of certain actinopterygian fishes: III. Salmonidae. Homologization of caudal skeletal structures. Journal of Morphology, 214(2), 187–249. https://doi.org/10.1002/jmor.1052140209
  5. Arratia, G., Schultze, H. P., & Casciotta, J. (2001). Vertebral column and associated elements in dipnoans and comparison with other fishes: Development and homology. Journal of Morphology, 250(2), 101–172. https://doi.org/10.1002/jmor.1062
  6. Başimoğlu Koca, Y., & Kara, N. (2022). Alterations in gills and intestine of Danio rerio after exposure to acaricide yoksorrun-5EC (hexythiazox): Histopathologic and morphometric evaluation. Drug and Chemical Toxicology, 45(4), 1808–1817. https://doi.org/10.1080/01480545.2021.1880428
  7. Benejam Vidal, L. (2008). Fish as ecological indicators in Mediterranean freshwater ecosystems. [Doctoral dissertation, Universitat de Girona].
  8. Berg, L. S. (1965). Freshwater fishes of the U.S.S.R. and adjacent countries (4th ed., Vol. 3). Israel Program for Scientific Translations Ltd. (Russian version published 1949).
  9. Beyaz, T., Ünlü, N., & Akgün, M. (2007). GÖKPINAR BARAJI (DENİZLİ) DOLUSAVAK VE EŞİK YAPISI TEMEL ZEMİNİNDE YAPILAN JEOTEKNİK ÇALIŞMALAR. Selçuk Üniversitesi Mühendislik, Bilim ve Teknoloji Dergisi, 22(3), 121–132. https://dergipark.org.tr/tr/pub/sujest/issue/23265/248317
  10. Boglinoe, A., Darias, M. J., Estévez, A., Andree, K. B., & Gisbert, E. (2012). The effect of dietary arachidonic acid during the Artemia feeding period on larval growth and skeletogenesis in Senegalese sole, Solea senegalensis. Journal of Applied Ichthyology, 28(3), 411–418. https://doi.org/10.1111/j.1439-0426.2012.01977.x
  11. Boglione, C., Gavaia, P., & Koumoundouros, G. (2013a). A review on skeletal anomalies in reared European fish larvae and juveniles. Part 1: Normal and anomalous skeletogenic processes. Reviews in Aquaculture, 5(2), 99–120. https://doi.org/10.1111/raq.12015
  12. Boglione, C., Gisbert, E., Gavaia, P. E., Witten, P., Moren, M., Fontagné, S., & Koumoundouros, G. (2013b). Skeletal anomalies in reared European fish larvae and juveniles. Part 2: Main typologies, occurrences and causative factors. Reviews in Aquaculture, 5(s1), S121–S167. https://doi.org/10.1111/raq.12016
  13. Britz, R., & Johnson, G. D. (2005). Occipito-vertebral fusion in ocean sunfishes (Teleostei: Tetraodontiformes: Molidae) and its phylogenetic implications. Journal of Morphology, 266(1), 74–79. https://doi.org/10.1002/jmor.10366
  14. Dağlı, M. (2008). The two abnormal cyprinid fish caught in Kilis (Turkey) region. Journal of Fisheries Sciences, 2(5), 662–665. https://doi.org/10.3153/jfscom.2008031
  15. Davie, P. S., Walker, S. P., Perrott, M. R., Symonds, J. E., Preece, M., Lovett, B. A., & Munday, J. S. (2019). Vertebral fusion in farmed Chinook salmon (Oncorhynchus tshawytscha) in New Zealand. Journal of Fish Diseases, 42(7), 965–974. https://doi.org/10.1111/jfd.13013
  16. Dawson, C. (1964). A bibliography of anomalies of fishes. Gulf Research Reports, 1(6), 308–399. https://doi.org/10.18785/grr.0106.01
  17. Dawson, C. (1971). A bibliography of anomalies of fishes, supplement 2. Gulf Research Reports, 3(2), 215–239. https://doi.org/10.18785/grr.0302.05
  18. De Clercq, A., Perrott, M. R., Davie, P. S., Preece, M. A., Wybourne, B., Ruff, N., Huysseune, A., & Witten, P. E. (2017). Vertebral column regionalisation in Chinook salmon, Oncorhynchus tshawytscha. Journal of Anatomy, 231(4), 500–514. https://doi.org/10.1111/joa.12655
  19. Deschamps, M. H., Kacem, A., Ventura, R., Courty, G., Haffray, P., Meunier, F. J., & Sire, J. Y. (2008). Assessment of ‘discreet’ vertebral abnormalities, bone mineralization and bone compactness in farmed rainbow trout. Aquaculture, 279(1–4), 11–17. https://doi.org/10.1016/j.aquaculture.2008.03.036
  20. Dikbaş, F. (2002). Göl ve haznelerdeki akımların üç boyutlu matematik modellemesi ve Gökpınar baraj gölü için bir uygulama [PhD thesis, Pamukkale University]. Türkiye. https://gcris.pau.edu.tr/handle/11499/1837
  21. Drábiková, L., Kröckel, S., Witten, P. E., Riesen, G., Morris, P., Ostertag, A., Cohen-Solal, M., Fraser, T. W., & Fjelldal, P. G. (2026). Phosphorus requirements in sea-cage farmed Atlantic salmon with an emphasis on bone health and digestibility. Aquaculture, 610, Article 742915. https://doi.org/10.1016/j.aquaculture.2025.742915
  22. Fernandez, I., & Gisbert, E. (2010). Senegalese sole bone tissue originated from chondral ossification is more sensitive than dermal bone to high vitamin A content in enriched Artemia. Journal of Applied Ichthyology, 26(2), 344–349. https://doi.org/10.1111/j.1439-0426.2010.01432.x
  23. Fjelldal, P. G., Hansen, T., Breck, O., Ørnsrud, R., Lock, E. J., Waagbø, R., Wargelius, A., & Eckhard Witten, P. (2012). Vertebral deformities in farmed Atlantic salmon (Salmo salar L.)–etiology and pathology. Journal of Applied Ichthyology, 28(3), 433–440. https://doi.org/10.1111/j.1439-0426.2012.01980.x
  24. Fjelldal, P. G., Hansen, T., Breck, O., Sandvik, R., Waagbø, R., Berg, A., & Ørnsrud, R. (2009). Supplementation of dietary minerals during the early seawater phase increase vertebral strength and reduce the prevalence of vertebral deformities in fast-growing under-yearling Atlantic salmon (Salmo salar L.) smolt. Aquaculture Nutrition, 15(4), 366–378. https://doi.org/10.1111/j.1365-2095.2008.00601.x
  25. Fjelldal, P. G., Nordgarden, U., & Hansen, T. (2007). The mineral content affects vertebral morphology in under yearling smolt of Atlantic salmon (Salmo salar L.). Aquaculture, 270(1–4), 231–239. https://doi.org/10.1016/j.aquaculture.2007.03.008
  26. Fjelldal, P. G., van der Meeren, T., Fraser, T. W., Sambraus, F., Jawad, L., & Hansen, T. J. (2018a). Radiological changes during fracture and repair in neural and haemal spines of Atlantic cod (Gadus morhua). Journal of Fish Diseases, 41(12), 1871–1875. https://doi.org/10.1111/jfd.12899
  27. Fjelldal, P. G., van der Meeren, T., Fraser, T. W., Sambraus, F., Jawad, L., & Hansen, T. J. (2018b). Radiological changes during fracture and repair in neural and haemal spines of Atlantic cod (Gadus morhua). Journal of Fish Diseases, 41(12), 1871–1875. https://doi.org/10.1111/jfd.12899
  28. Fragkoulis, S., Economou, I., Moukas, G., Koumoundouros, G., & Batargias, C. (2020). Caudal fin abnormalities in Gilthead seabream (Sparus aurata L.) have a strong genetic variance component. Journal of Fish Diseases, 43(7), 825–828. https://doi.org/10.1111/jfd.13180
  29. Gavaia, P. J., Domingues, S., Engrola, S., Drake, P., Sarasquete, C., Dinis, M. T. and Cancela, M. L., (2009). Comparing skeletal development of wild and hatchery-reared Senegalese sole (Solea senegalensis, Kaup 1858): evaluation in larval and postlarval stages. Aquaculture Research, 40(14), pp.1585–1593.
  30. Gillespie, R. B., & Baumann, P. C. (1986). Effects of high tissue concentrations of selenium on reproduction by bluegills. Transactions of the American Fisheries Society, 115(2), 208–213. https://doi.org/10.1577/1548-8659(1986)115<;208:EOHTCO>2.0.CO;2
  31. Gislason, H., Karstensen, H., Christiansen, D., Hjelde, K., Helland, S., & Baeverfjord, G. (2010). Rib and vertebral deformities in rainbow trout (Oncorhynchus mykiss) explained by a dominant-mutation mechanism. Aquaculture, 309(1–4), 86–95. https://doi.org/10.1016/j.aquaculture.2010.09.016
  32. Gjerde, B., Pante, M. J. R., & Baeverfjord, G. (2005). Genetic variation for a vertebral deformity in Atlantic salmon (Salmo salar). Aquaculture, 244(1–4), 77–87. https://doi.org/10.1016/j.aquaculture.2004.12.002
  33. Gomes, A. M. D. A., Losada García, A. P., Barreiro Lois, A. & Barreiro, J. D. et al. (2017). Skeletal anomalies in reared Senegalese sole Solea senegalensis juveniles: a radiographic approach. Diseases of Aquatic Organisms, 124(2), 117–129. https://doi.org/10.3354/dao03110
  34. Gross, M. R., & Sargent, R. C. (1985). The evolution of male and female parental care in fishes. American Zoologist, 25(3), 807–822. https://doi.org/10.1093/icb/25.3.807
  35. Güçlü, S. S., Jawad, L. A., & Küçük, F. (2025). Osteological insights on Turkish Pseudophoxinus species and Egirdira nigra (Teleostei: Leuciscidae). Acta Zoologica, 107(2), 166–202. https://doi.org/10.1111/azo.12545
  36. Gudger, E. W. (1936). Beginning of fish teratology, 1555–1642. Belon, Rondelet, Gesner and Aldrovandi, the fathers of ichthyology, the first to figure abnormal fishes. The Scientific Monthly, 43(3), 252–261.
  37. Haga, Y., Dominique, V. J. 3rd, & Du, S. J. (2009). Analyzing notochord segmentation and intervertebral disc formation using the twhh: gfp transgenic zebrafish model. Transgenic Research, 18(5), 669–683. https://doi.org/10.1007/s11248-009-9259-y
  38. Haga, Y., Du, S. J., Satoh, S., Kotani, T., Fushimi, H., & Takeuchi, T. (2011). Analysis of the mechanism of skeletal deformity in fish larvae using a vitamin A-induced bone deformity model. Aquaculture, 315(1–2), 26–33. https://doi.org/10.1016/j.aquaculture.2010.11.026
  39. Haga, Y., Suzuki, T., & Takeuchi, T. (2002). Retinoic acid isomers produce malformations in postembryonic development of Japanese flounder, Paralichthys olivaceus. Zoological Science, 19(10), 1105–1112. https://doi.org/10.2108/zsj.19.1105
  40. Haga, Y., Takeuchi, T., & Seikai, T. (1999). Effect of retinoic acid on larval Japanese flounder, Paralichthys olivaceus, reared on Artemia nauplii. Aquaculture Science, 47(4), 559–566.
  41. Hall, B. K., & Miyake, T. (1995). Divide, accumulate, differentiate: Cell condensation in skeletal development revisited. International Journal of Developmental Biology, 39(6), 881–893. https://doi.org/10.1387/ijdb.8901190
  42. Hubbell, P. M. (1966). Pumpkinseed sunfish. In A. Calhoun (Ed.), Inland fisheries management (pp. 402–404, 405–407). California Department of Fishing and Game.
  43. Hubbs, C. L., & Lagler, K. F. (1958). Fishes of the Great Lakes region. University of Michigan Press. https://doi.org/10.3998/mpub.12946839
  44. Hugg, D.O. (1996). MAPFISH georeferenced mapping database. Freshwater and estuarine fishes of North America. Life Science Software. Dennis O. and Steven Hugg, 1278 Turkey Point Road, Edgewater, Maryland, USA.
  45. İnnal, D., Yavuz-Guzel, E., Dilek, O. G., & Kamanli, S. A. (2019). Kyphosis in Barbus pergamonensis (Cyprinidae-Actinopterygii) from Dalaman Stream flowing to the Mediterranean Sea. Aquatic Sciences and Engineering, 34(2), 39–45. https://doi.org/10.26650/ASE2019545494
  46. International Game, & Fish Association. (1991). World record game fishes. International Game Fish Association.
  47. Jawad, L. A., Akyol, O., & Aydin, İ. (2017a). First records of saddleback syndrome and pughead deformities in the common Pandora Pagellus erythrinus (Linnaeus, 1758) (Teleostei: Sparidae) from wild population in the Northern Aegean Sea, Turkey. International Journal of Marine Science, 7(19), 183–187. https://doi.org/10.5376/ijms.2017.07.0019
  48. Jawad, L. A., Aydin, I., & Akyol, O. (2018). The first record of pughead deformity in the European hake, Merluccius merluccius (Linnaeus, 1758) collected from the northern Aegean Sea, Turkey. Cahiers de Biologie Marine, 59(2), 137–141.
  49. Jawad, L., & Güçlü, S. S. (2022). Skeletal deformities in Barbus xanthos (Teleostei: Cyprinidae) collected from the Dalaman River in southwestern Turkey. Oceanological and Hydrobiological Studies, 51(2), 203–211. https://doi.org/10.26881/oandhs-2022.2.08
  50. Jawad, L. A., Humborstad, O. B., & Fjelldal, P. G. (2016). Record of Litter Ingestion by Cod (Gadus morhua) collected from Masfjorden, Western Norway. International Journal of Marine Science, 6(41), 1–4. https://doi.org/10.5376/ijms.2016.06.0041
  51. Jawad, L. A., Sadighzadeh, Z., Salarpouri, A., & Aghouzbeni, S. (2013). Anal fin deformity in the Longfin Trevally, Carangoides armatus collected from Nay band, Persian Gulf. Korean Journal of Ichthyology, 25(3), 169–172.
  52. Jiménez-Guerrero, R., Baeverfjord, G., Evensen, Ø, & Mørkøre, T. (2024). Understanding morphological rib abnormalities in Atlantic salmon. Aquaculture, 591, Article 741140. https://doi.org/10.1016/j.aquaculture.2024.741140
  53. Johnson, G. D., & Britz, R. (2010). Occipito-vertebral fusion in actinopterygians: Conjecture, myth and reality. Part 2: Teleosts. In J. S. Nelson, H.-P. Schultze, & M. V. H. Wilson (Eds.), Origin and Phylogenetic Interrelationships of Teleosts (pp. 111–121). Verlag Dr. Friederich Pfeil.
  54. Jordan, C., Backe, N., Wright, M. C, & Tovey, C.P. (2009). Biological synopsis of pumpkinseed (Lepomis gibbosus). Canadian Manuscript Report of Fisheries and Aquatic Sciences, 2886, iv + 16.
  55. Karakuş, U., Tarkan, A. S., Yalçın-Özdilek, Ş, Top-Karakuş, N., Partal, N., & Britton, J. R. (2023). Interactions of invasive pumpkinseed with a riverine endemic fish indicate trophic overlap but minimal consequences for somatic growth and condition. Knowledge & Management of Aquatic Ecosystems, 424, 1–13. https://doi.org/10.1051/kmae/2023010
  56. Kaya, Y., Gökmenoğlu, T., Telci, T., Kurt, E., & Ağdamar, S. (2025). Occurrence of the non-native pumpkinseed Lepomis gibbosus in a reservoir of the Karamenderes Basin (Çanakkale, Türkiye). Turkish Journal of Bioscience and Collections, 9(1), 39–42. https://doi.org/10.26650/tjbc.1631271
  57. Khurana, J. S. (2009). Bone Pathology (2nd ed.). Humana Press, Springer. https://doi.org/10.1007/978-1-59745-347-9
  58. Koca, Y. B., Koca, S., Yıldız, Ş, Gürcü, B., Osanç, E., Tunçbaş, O., & Aksoy, G. (2005). Investigation of histopathological and cytogenetic effects on Lepomis gibbosus (Pisces: Perciformes) in the Çine stream (Aydın/Turkey) with determination of water pollution. Environmental Toxicology: An International Journal, 20(6), 560–571. https://doi.org/10.1002/tox.20145
  59. Kocour, M., Linhart, O., & Vandeputte, M. (2006). Mouth and fin deformities in common carp: Is there a genetic basis? Aquaculture Research, 37(4), 419–422. https://doi.org/10.1111/j.1365-2109.2005.01425.x
  60. Kottelat, M., & Freyhof, J. (2007). Handbook of European freshwater fishes (p. 646). Publications Kottelat, Cornol and Freyhof, Berlin.
  61. Koumoundouros, G. (2010). Morpho-anatomical abnormalities in Mediterranean marine aquaculture. Recent Advances in Aquaculture Research, 661(2), 125–148.
  62. Koumoundouros, G., Gagliardi, F., Divanach, P., Boglione, C., Cataudella, S., & Kentouri, M. (1997). Normal and abnormal osteological development of caudal fin in Sparus aurata L. fry. Aquaculture, 149(3–4), 215–226. https://doi.org/10.1016/S0044-8486(96)01443-3
  63. Kvach, Y., Tkachenko, M. Y., Giannetto, D., Míč, R., Bartáková, V., Ağdamar, S., Saç, G., Özuluğ, M., Tarkan, A. S., & Ondračková, M. (2024). Low genetic and parasite diversity of invasive pumpkinseed Lepomis gibbosus (Centrarchidae) expanding in Türkiye. Diversity, 16(5), 272. https://doi.org/10.3390/d16050272
  64. Lauder, G. V. (1982). Structure and function in the tail of the Pumpkinseed sunfish (Lepomis gibbosus). Journal of Zoology, 197(4), 483–495. https://doi.org/10.1111/jzo.1982.197.4.483
  65. Leivseth, G., Frobin, W., & Brinckmann, P. (2005). Congenital cervical block vertebrae are associated with caudally adjacent discs. Clinical Biomechanics (Bristol, Avon), 20(7), 669–674. https://doi.org/10.1016/j.clinbiomech.2005.04.006
  66. Lemly, A. D. (2014). Teratogenic effects and monetary cost of selenium poisoning of fish in Lake Sutton, North Carolina. Ecotoxicology and Environmental Safety, 104, 160–167. https://doi.org/10.1016/j.ecoenv.2014.02.022
  67. Leone, C., De Luca, F., Ciccotti, E., Martini, A., & Boglione, C. (2021). Monitoring skeletal anomalies in big-scale sand smelt, Atherina boyeri, as a potential complementary tool for early detection of effects of anthropic pressure in coastal lagoons. Water, 13(2), 159. https://doi.org/10.3390/w13020159
  68. Lohner, T. W., Reash, R. J., & Williams, M. (2001). Assessment of tolerant sunfish populations (Lepomis) inhabiting selenium-laden coal ash effluents: 2. Tissue biochemistry evaluation. Ecotoxicology and Environmental Safety, 50(3), 217–224. https://doi.org/10.1006/eesa.2001.2098
  69. Losada, A. P., De Azevedo, A. M., Barreiro, A., Barreiro, J. D., Ferreiro, I., Riaza, A., Quiroga, M. I, & Vázquez, S. (2014). Skeletal malformations in Senegalese sole (Solea senegalensis Kaup, 1858): Gross morphology and radiographic correlation. Journal of Applied Ichthyology, 30(4), 804–808. https://doi.org/10.1111/jai.12524
  70. Lyall, B. A., Witten, P. E., Carter, C. G., Perrott, M. R., Symonds, J. E., Walker, S. P., Waddington, Z., & Amoroso, G. (2024). The problems with pin bones: Intermuscular bone development and function in salmonids and their implications for aquaculture. Reviews in Aquaculture, 16(4), 1981–1995. https://doi.org/10.1111/raq.12942
  71. Mair, G. C. (1992). Caudal deformity syndrome (CDS): An autosomal recessive lethal mutation in the tilapia, Oreochromis niloticus (L.). Journal of Fish Diseases, 15(1), 71–75. https://doi.org/10.1111/j.1365-2761.1992.tb00638.x
  72. Mazurais, D., Darias, M. J., Gouillou-Coustans, M. F., Gall, M. M., Huelvan, C., Desbruyères, E., Quazuguel, P., Cahu, C., & Zambonino-Infante, J. L. (2008). Dietary vitamin mix levels influence the ossification process in European sea bass (Dicentrarchus labrax) larvae. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 294(2), 520–527. https://doi.org/10.1152/ajpregu.00659.2007
  73. Mazurais, D., Glynatsi, N., Darias, M. J., Christodoulopoulou, S., Cahu, C. L., Zambonino-Infante, J. L., & Koumoundouros, G. (2009). Optimal levels of dietary vitamin A for reduced deformity incidence during development of European sea bass larvae (Dicentrarchus labrax) depend on malformation type. Aquaculture, 294(3–4), 262–270. https://doi.org/10.1016/j.aquaculture.2009.06.008
  74. O’Connell, A. M., Karellas, A., Vedantham, S., & Kawakyu-O’Connor, D. T. (2018). Newer technologies in breast cancer imaging: Dedicated cone-beam breast computed tomography. Seminars in Ultrasound, CT and MRI, 39(1), 106–113. https://doi.org/10.1053/j.sult.2017.09.001
  75. Page, L. M., & Burr, B. M. (2011). A field guide to freshwater fishes of North America north of Mexico (p. 663). Houghton Mifflin Harcourt.
  76. Patterson, C., & Johnson, G. D. (1995). The intermuscular bones and ligaments of teleostean fishes. In Smithsonian contributions to zoology, Number 559 (78pp). Smithsonian Institute Press. https://doi.org/10.5479/si.00810282.559
  77. Ribeiro-Prado, C. C., Oddone, M. C., Gonzalez, M. B., Amorim, A. F., & Capapé, C. (2008). Morphological abnormalities in skates and rays (Chondrichthyes) from off southeastern Brazil. Arquivos de Ciências do Mar, 41(2), 21–28. https://doi.org/10.32360/acmar.v41i2.6058
  78. Riede, K. (2004). Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081 (p. 329). Federal Agency for Nature Conservation.
  79. Riehl, R., & Baensch, H. A. (1991). Aquarien Atlas (Band. 1, p. 992). Mergus, Verlag für Natur- und Heimtierkunde.
  80. Sankar, M., Kryvi, H., Fraser, T. W., Philip, A. J. P., Remø, S., Hansen, T. J., Witten, P. E., & Fjelldal, P. G. (2024). A new method for regionalization of the vertebral column in salmonids based on radiographic hallmarks. Journal of Fish Biology, 105(4), 1189–1199. https://doi.org/10.1111/jfb.15873
  81. Şavran, G., Jawad, L. A., Küçük, F., & Güçlü, S. S. (2026). Skeletal anomalies identified by X-radiography in three freshwater fish species from Türkiye: Anatomical insights. Zoomorphology, 145(1), 1–14. https://doi.org/10.26881/oahs-2026.1.09
  82. Schmitt, J. D., Peoples, B. K., Bunch, A. J., Castello, L., & Orth, D. J. (2019). Modeling the predation dynamics of invasive blue catfish (Ictalurus furcatus) in Chesapeake Bay. Fishery Bulletin, 117(4), 277–290. https://doi.org/10.7755/FB.117.4.1
  83. Scott, W. B., & Crossman, E. J. (1973). Freshwater fishes of Canada (Vol. 184, pp. xi+1–966). Bulletin of Fisheries Research Board of Canada.
  84. Sfakianakis, D. G., Koumoundouros, G., Divanach, P., & Kentouri, M. (2004). Osteological development of the vertebral column and of the fins in Pagellus erythrinus (L. 1758). Temperature effect on the developmental plasticity and morpho-anatomical abnormalities. Aquaculture, 232(1–4), 407–424. https://doi.org/10.1016/j.aquaculture.2003.08.014
  85. Takeuchi, T., Dedi, J., Haga, Y., Seikai, T., & Watanabe, T. (1998). Effect of vitamin A compounds on bone deformity in larval Japanese flounder (Paralichthys olivaceus). Aquaculture, 169(3–4), 155–165. https://doi.org/10.1016/S0044-8486(98)00373-1
  86. Tozer, S., & Duprez, D. (2005). Tendon and ligament: Development, repair and disease. Birth Defects Research Part C: Embryo Today: Reviews, 75(3), 226–236. https://doi.org/10.1002/bdrc.20049
  87. U’hver, A., Aral, O., & Bilen, Ö. (1989). Denizli - Churuksu project Gokpinar Dam planning report. Republic of Turkey Ministry of Public Works and Housing General Directorate of State Water Works XXI. Regional Directorate Planning Branch Directorate. T.C. Directorate General of Land Registry and Cadastre General Manager Assistant. p. 66. (In Turkish). (No DOI found)
  88. Witten, P. E., Gil-Martens, L., Hall, B. K., Huysseune, A., & Obach, A. (2005). Compressed vertebrae in Atlantic salmon Salmo salar: Evidence for metaplastic chondrogenesis as a skeletogenic response late in ontogeny. Diseases of Aquatic Organisms, 64(3), 237–246. https://doi.org/10.3354/dao064237
  89. Witten, P. E., & Hall, B. K. (2003). Seasonal changes in the lower jaw skeleton in male Atlantic salmon (Salmo salar L.): Remodelling and regression of the kype after spawning. Journal of Anatomy, 203(5), 435–450. https://doi.org/10.1046/j.1469-7580.2003.00239.x
  90. Witten, P. E., & Huysseune, A. (2009). A comparative view on mechanisms and functions of skeletal remodelling in teleost fish, with special emphasis on osteoclasts and their function. Biological Reviews of the Cambridge Philosophical Society, 84(2), 315–346. https://doi.org/10.1111/j.1469-185X.2009.00077.x
  91. Witten, P. E., Obach, A., Huysseune, A., & Baeverfjord, G. (2006). Vertebrae fusion in Atlantic salmon (Salmo salar): Development, aggravation and pathways of containment. Aquaculture, 258(1–4), 164–172. https://doi.org/10.1016/j.aquaculture.2006.05.005
  92. Woock, S. E., Garrett, W. R., Partin, W. E., & Bryson, W. T. (1987). Decreased survival and teratogenesis during laboratory selenium exposures to bluegill, Lepomis macrochirus. Bulletin of Environmental Contamination and Toxicology, 39(6), 998–1005. https://doi.org/10.1007/BF01689590
  93. Yershov, P. N. (2008). The vertebral abnormalities in eelpout Zoarces viviparus (Linnaeus, 1758) (Pisces, Zoarcidae). Proceedings of the Zoological Institute RAS, 312(1–2), 74–82. https://doi.org/10.31610/trudyzin/2008.312.1-2.74
  94. Yıldırım, U. G., & Çetinkaya, O. (2024). A study on the bioecological characteristics of the Exotic Pumpkinseed (Lepomis gibbosus) population in Gökpınar Dam Lake (Western Anatolia, Türkiye). Acta Aquatica Turcica, 20(1), 1–13. https://dergipark.org.tr/en/pub/actaquatr/issue/83252/1258282
  95. Ytteborg, E., Torgersen, J., Baeverfjord, G., & Takle, H. (2012a). Four stages characterizing vertebral fusions in Atlantic salmon. Journal of Applied Ichthyology, 28(3), 453–459. https://doi.org/10.1111/j.1439-0426.2012.01984.x
  96. Ytteborg, E., Torgersen, J., Baeverfjord, G., & Takle, H. (2012b). The Atlantic salmon (Salmo salar) vertebra and cellular pathways to vertebral deformities. In: Edmir Daniel Carvalho, Gianmarco Silva David & Reinaldo J. Silva (ED.), Health and environment in aquaculture (pp. 329–358). IntechOpen (London, UK). https://doi.org/10.5772/30750
DOI: https://doi.org/10.26881/oahs-2026.1.22 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
Language: English
Page range: 283 - 299
Submitted on: Jun 13, 2026
Accepted on: Aug 4, 2026
Published on: Sep 9, 2026
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2026 Ufuk Gürkan Yıldırım, Osman Çetinkaya, Laith A. Jawad, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.