Cyanobacteria and cyanotoxins in fishponds and their effects on fish tissue

Damjana Drobac, Nada Tokodi, Jelena Lujic, Zoran Marinovic, Gordana Subakov-Simic, Tamara Dulic, Tamara Važic, Sonja Nybom, Jussi Meriluoto, Geoff Codd, Zorica Svircev

    Research output: Contribution to journalArticle

    44 Citations (Scopus)

    Abstract

    Cyanobacteria can produce toxic metabolites known as cyanotoxins. Common and frequently investigated cyanotoxins include microcystins (MCs), nodularin (NOD) and saxitoxins (STXs). During the summer of 2011 extensive cyanobacterial growth was found in several fishponds in Serbia. Sampling of the water and fish (common carp, Cyprinus carpio) was performed. Water samples from 13 fishponds were found to contain saxitoxin, microcystin, and/or nodularin. LC-MS/MS showed that MC-RR was present in samples of fish muscle tissue. Histopathological analyses of fish grown in fishponds with cyanotoxin production showed histopathological damage to liver, kidney, gills, intestines and muscle tissues. This study is among the first so far to report severe hyperplasia of intestinal epithelium and severe degeneration of muscle tissue of fish after cyanobacterial exposure. These findings emphasize the importance of cyanobacterial and cyanotoxin monitoring in fishponds in order to recognize cyanotoxins and their potential effects on fish used for human consumption and, further, on human health.

    Original languageEnglish
    Pages (from-to)66-76
    Number of pages11
    JournalHARMFUL ALGAE
    Volume55
    DOIs
    Publication statusPublished - 2016

    Fingerprint Dive into the research topics of 'Cyanobacteria and cyanotoxins in fishponds and their effects on fish tissue'. Together they form a unique fingerprint.

  • Cite this

    Drobac, D., Tokodi, N., Lujic, J., Marinovic, Z., Subakov-Simic, G., Dulic, T., Važic, T., Nybom, S., Meriluoto, J., Codd, G., & Svircev, Z. (2016). Cyanobacteria and cyanotoxins in fishponds and their effects on fish tissue. HARMFUL ALGAE, 55, 66-76. https://doi.org/10.1016/j.hal.2016.02.007