Interpopulation morphological variability of the viviparous pipefish Syngnathus acusimilis Günther, 1873 (Teleostei: Syngnathidae)

Interpopulation morphological variability of the viviparous pipefish Syngnathus acusimilis... In viviparous fish, as is illustrated by the example of the pipefish Syngnathus acusimilis (Syngnathidae), unlike fish that spawn their eggs into the environment, there are virtually no differences between populations in meristic characters, which are formed during the embryonic and larval development. The absence of these differences is due to the stability of conditions, specifically temperature, during the egg incubation in the parental organism. The insignificant differences in the external morphology of the pipefish can also be associated with the presence of the bony plates that completely cover the fish body. The peculiarities of the structure and reproductive biology are not conducive to the ecological and geographical intraspecific differentiation of this fish. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Interpopulation morphological variability of the viviparous pipefish Syngnathus acusimilis Günther, 1873 (Teleostei: Syngnathidae)

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Publisher
Springer US
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074013050039
Publisher site
See Article on Publisher Site

Abstract

In viviparous fish, as is illustrated by the example of the pipefish Syngnathus acusimilis (Syngnathidae), unlike fish that spawn their eggs into the environment, there are virtually no differences between populations in meristic characters, which are formed during the embryonic and larval development. The absence of these differences is due to the stability of conditions, specifically temperature, during the egg incubation in the parental organism. The insignificant differences in the external morphology of the pipefish can also be associated with the presence of the bony plates that completely cover the fish body. The peculiarities of the structure and reproductive biology are not conducive to the ecological and geographical intraspecific differentiation of this fish.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Nov 7, 2013

References

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