Abstract:
:This study presents a new chemical double-marking technique for European glass eels Anguilla anguilla by combing alizarin red S (ARS) and strontium chloride hexahydrate (Sr). Marked eels (double marked with ARS and Sr, but also single marked with ARS) were exposed in situ to brackish water (15 g l-1 artificial sea salt) for 14 days and did not exhibit increased mortalities compared with unmarked eels. Indeed, no mortality occurred in a marked group during the experiments. Moreover, an efficient mass-marking approach with low handling effort for both single ARS and double ARS-Sr techniques is described and was proven to be practicable for large-scale stocking programmes.
journal_name
J Fish Bioljournal_title
Journal of fish biologyauthors
Kullmann B,Hempel M,Thiel Rdoi
10.1111/jfb.13508subject
Has Abstractpub_date
2018-01-01 00:00:00pages
203-213issue
1eissn
0022-1112issn
1095-8649journal_volume
92pub_type
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