NDLI: The effects of heavy metals on embryonic development of fish (a review)

Content Provider	Springer Nature Link
Author	Jezierska, Barbara Ługowska, Katarzyna Witeska, Małgorzata
Copyright Year	2008
Abstract	Early developmental stages of fish are particularly sensitive to water pollution. Heavy metals may affect various developmental processes during the embryonic period, which results in a reduction of offspring quantity and quality. Waterborne metals may accumulate in the gonads of spawners and adversely affect gamete production and viability, or exert direct toxic influence upon developing embryos. The egg shell does not fully protect the embryo against metal penetration, particularly during the swelling phase; thus, metals may accumulate in the egg. The results depend on metal concentration and range from developmental disturbances to death of the embryo. Metals disturb various processes of fish embryonic development and affect the development rate. Early stages just after fertilization are particularly sensitive to metal intoxication, when most disturbances and the highest embryonic mortality occur. Waterborne metals also promote developmental anomalies during organogenesis, including body malformations. Heavy metals often induce a delay in the hatching process, premature hatching, deformations and death of newly hatched larvae. All these disturbances result in reduced numbers and poor quality of the larvae, which show small body size, high frequency of malformations and reduced viability.
Starting Page	625
Ending Page	640
Page Count	16
File Format	PDF
ISSN	09201742
Journal	Fish Physiology and Biochemistry
Volume Number	35
Issue Number	4
e-ISSN	15735168
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-11-20
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cyprinus carpio embryos Cadmium Copper Lead Malformation Survival Zoology Animal Biochemistry Animal Anatomy / Morphology / Histology Animal Physiology Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Physiology Medicine Biochemistry Aquatic Science

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The effects of cadmium and copper on embryonic and larval development of ide Leuciscus idus L.

High affinity of cadmium and copper to head kidney of common carp (Cyprinus carpio L.)

Cadmium and copper reduce hematopoietic potential in common carp (Cyprinus carpio L.) head kidney

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The effects of heavy metals on embryonic development of fish (a review)

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