Magnetic fields and fish behavior

Крылов, В. В.; Izyumov, Yu. G.; Извеков, Е. И.; Nepomnyashchikh, V. A.

doi:10.1134/s2079086414030049

Cited by 27 publications

(10 citation statements)

References 73 publications

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“…Also, a publication in Russian reports a correlation between the level of geomagnetic activity and catches of herring. Herring supposedly migrated from shallow areas in the Barents Sea to deep waters of the Norwegian Sea during larger magnetic storms (references in Krylov et al 2014).…”

Section: Magnetic Disturbances and Animal Behaviormentioning

confidence: 99%

Electric and magnetic senses in marine animals, and potential behavioral effects of electromagnetic surveys

Nyqvist

Durif

Johnsen

et al. 2020

Marine Environmental Research

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Section: Magnetic Disturbances and Animal Behaviormentioning

confidence: 99%

Electric and magnetic senses in marine animals, and potential behavioral effects of electromagnetic surveys

Nyqvist

Durif

Johnsen

et al. 2020

Marine Environmental Research

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“…It is well known that many fish species utilize the geomagnetic field for spatial orientation using magneto‐sensory systems (Walker, ; Krylov et al , ). The influence of extremely low‐frequency MFs upon fishes, however, has not been adequately studied.…”

Section: Introductionmentioning

confidence: 99%

Delayed consequences of extremely low‐frequency magnetic fields and the influence of adverse environmental conditions on roach Rutilus rutilus embryos

Крылов

Chebotareva

Izyumov

2016

Journal of Fish Biology

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This study presents data collected over a 6 year period on the effects of extremely low-frequency magnetic fields (MFs) (1.4-1.6 µT, 500 Hz and 1.4-1.6 µT, 72.5 Hz) and MFs in combination with other environmental stressors (elevated temperature, 0.01 mg l(-1) trichlorfon, 0.01 mg l(-1) copper sulphate pentahydrate) on roach Rutilus rutilus embryos. Effects were studied during different stages of early development. Rutilus rutilus were raised in ponds for 4 months after exposure to MFs. The mass, standard length (LS ) and morphological characteristics of underyearlings which were exposed as embryos were recorded. An increase in embryo mortality and a decrease in LS and mass indices in underyearlings were noted after they had been exposed to a combination of MFs and different adverse environmental factors. In addition, exposure to MFs led to changes in the total number of vertebrae and the number of seismosensory system openings in the mandibular bones of underyearlings. MFs of different frequency caused both increases (500 Hz) and decreases (72.5 Hz) in morphological diversity. The stressors used in this study, however, did not increase the fluctuating asymmetry of bilateral morphological characteristics. The possible microevolutionary effects of exposure to MFs alone and in combination with other adverse environmental factors upon natural fish populations are discussed.

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“…Magnetic fields are important in fish life. It is known that the geomagnetic field is utilised by elasmobranches and teleost fishes for spatial orientation (Krylov et al ., ; Quinn, ). Behavioural responses to magnetic fields (Bottesch et al ., ; Myklatun et al ., ; Shcherbakov et al ., ) show that fish species can perceive this influence.…”

Section: Introductionmentioning

confidence: 99%

Delayed consequences of the influence of simulated geomagnetic storms on roach Rutilus rutilus embryos

Крылов

Chebotareva

Izyumov

2019

Journal of Fish Biology

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This study presents data collected over a 3 year period on the effects of simulated geomagnetic storms (SGMS) on Eurasian roach Rutilus rutilus embryos. Effects were studied during different stages of early development. Rutilis rutilus were raised in ponds for 4 months after exposure to SGMS. The mass, standard length and morphological characteristics of under-yearlings exposed as embryos were recorded. A decrease in length-mass indices in under-yearlings was noted after they had been exposed to SGMS during the first 2 days or during the third and fourth days of early development. Near the time point of 48 h post fertilisation, either no effect or an increased size was observed. In addition, exposure to SGMS led to a redistribution of the vertebral number between the sections of the vertebral column as well as changes in the number of seismosensory system openings in the mandibular and praeoperculum bones of under-yearlings. Observed effects are similar to previously published data on the influence of anthropogenic magnetic fields on roach, namely changes in linear-mass indices, number of vertebrae and number of seismosensory system openings in the mandibular bones of under-yearlings exposed as embryos. Possible mechanisms of magnetic influence on early development of fish are discussed. K E Y W O R D S embryogenesis, length-mass indices, magnetic fluctuation, seismosensory openings, vertebrae number

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Magnetic fields and fish behavior

Cited by 27 publications

References 73 publications

Electric and magnetic senses in marine animals, and potential behavioral effects of electromagnetic surveys

Electric and magnetic senses in marine animals, and potential behavioral effects of electromagnetic surveys

Delayed consequences of extremely low‐frequency magnetic fields and the influence of adverse environmental conditions on roach Rutilus rutilus embryos

Delayed consequences of the influence of simulated geomagnetic storms on roach Rutilus rutilus embryos

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