Marine and Freshwater Research Marine and Freshwater Research Society
Advances in the aquatic sciences
RESEARCH ARTICLE

Scale deformity descriptions for 23 species of fish, from various geographical areas and habitats

Laith A. Jawad A F , Ana L. Ibáñez B , Zahra Sadighzadeh C , Joacim Näslund D and Erhan Ünlü E
+ Author Affiliations
- Author Affiliations

A 4 Tinturn Place, Flat Bush, Manukau, Auckland 2016, New Zealand.

B Departamento de Hidrobiología, Universidad Autónoma Metropolitana–Iztapalapa (UAMI), Avenida San Rafael Atlixco 186, Colonia Vicentina, Delegación Iztapalapa, 09340, Ciudad de México, México.

C Marine Biology Department, Graduate School of Marine Science and Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran.

D Department of Ecosystem Biology, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic.

E Dicle University, Department of Biology, Faculty of Arts, TR-21280, Diyarbakir, Turkey.

F Corresponding author. Email: laith_jawad@hotmail.com

Marine and Freshwater Research - https://doi.org/10.1071/MF17110
Submitted: 24 April 2017  Accepted: 21 August 2017   Published online: 13 October 2017

Abstract

A renewed interest in fish scale anomalies prompted the present study, wherein we document a wide range of scale morphological abnormalities, including deformities in shape and structure, of a large number of species. In the present study, 63 cases of deformities were reported from 23 fish species collected from five countries. The abnormalities observed are discussed within the framework of contaminated aquatic environments, with a goal of recognising the cause of abnormality. Deformed scales exhibited different shapes, showing both slight (n = 52 cases) and severe (n = 9 cases) abnormalities. The scale deformations described in the present study should help direct future work on the relationships between environmental condition and fish health.

Additional keywords: Australia, Iran, Lutjanidae, Tripterygiidae, Macrouridae, Mugilidae, New Zealand, South Africa.


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