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- Title
Influence of salinity on the migration of postlarval and juvenile flounder Pleuronectes flesus L. in a gradient experiment.
- Authors
Bos, A. R.; Thiel, R.
- Abstract
The behaviour of the flounder Pleuronectes flesus was observed in an experimental aquarium that consisted of five connected units with decreasing salinity from 20 to 15, 10, 5 and 0·5. This experimental aquarium was highly effective for studying behaviour in salinity gradients, because the gradient was relatively stable. After 4 days of observation, significantly more flounder were found in water with a salinity of 0·5, indicating a preference for fresh water. The total length of the flounders ranged from 7·5 to 21 mm. The majority of larvae had already started eye-migration, however, the longer specimens had completed metamorphosis. The migration towards low salinities was observed to increase with ontogenetic development.
- Subjects
FLATFISHES; AQUARIUMS; SALINITY; ANIMAL migration; PLEURONECTES
- Publication
Journal of Fish Biology, 2006, Vol 68, Issue 5, p1411
- ISSN
0022-1112
- Publication type
Article
- DOI
10.1111/j.0022-1112.2006.01023.x