Temperature effects on the anchoveta Engraulis ringens egg development: do latitudinal differences occur

We assessed differences in the development rates among anchoveta, E. ringens populations from the extremes of its range under different temperatures. Time to hatch decreased with increasing temperature but there was no difference in the temperature-development time relationship between eggs from dif...

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Bibliographic Details
Published in:Environmental biology of fishes 2008-04, Vol.81 (4), p.387-395
Main Authors: Tarifeño, E, Carmona, M, Llanos-Rivera, A, Castro, L. R
Format: Article
Language:English
Subjects:
Agnatha. Pisces
Anchoveta
Animal and plant ecology
Animal Systematics/Taxonomy/Biogeography
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
Biomedical and Life Sciences
Eggs
Engraulis ringens
Environment
Fish
Freshwater & Marine Ecology
Fundamental and applied biological sciences. Psychology
Genetics
Hatching
incubation
Life Sciences
Low temperature
Marine
Nature Conservation
Q
Studies
Temperature
Vertebrata
Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution
Zoology
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Summary:We assessed differences in the development rates among anchoveta, E. ringens populations from the extremes of its range under different temperatures. Time to hatch decreased with increasing temperature but there was no difference in the temperature-development time relationship between eggs from different localities. These results and observations of hatching success differences between populations at lower temperatures support the hypothesis that inter-population differences in the earlier life stages occur along the distribution range of anchoveta, although the current genetic evidence suggests substantial gene flow between localities.
ISSN:0378-1909
1573-5133
DOI:10.1007/s10641-007-9208-7