Brood care in freshwater crayfish and relationship with the offspring's sensory deficiencies

Journal of Morphology
Günter Vogt, Laura Tolley

Abstract

Prolonged brood care is one of the evolutionary clues for the successful colonization of freshwater habitats by freshwater crayfish (Astacida). By means of macrophotography, light microscopy, and scanning electron microscopy we investigated all phases of brood care in freshwater crayfish, with particular emphasis on the morphological structures involved. We selected the recently discovered parthenogenetic marbled crayfish (species identity not yet known) as a model organism due to its fast reproduction and high resistance to handling stress. In order to examine if there is a causal relationship between brood care and the developmental status of the offspring's sensory apparatus, we additionally investigated major sense organs of juvenile Stages 1-5 in comparison with those of the adults. Brood care in the marbled crayfish is characterized by initial and final "active" phases dominated by specific maternal or juvenile behavior and a medial "passive" phase based more on the action of temporarily developed structures rather than on behavior. The most remarkable feature of this period, which includes permanent carrying of the eggs and the first two juvenile stages under the mother's abdomen, is safeguarding of hatching by a telson ...Continue Reading

References

Aug 26, 1998·Cell and Tissue Research·G S Hafner, T R Tokarski
May 15, 2001·The Journal of Experimental Zoology·G N Susanto, G Charmantier
Feb 21, 2003·Nature·Gerhard ScholtzGünter Vogt
Jun 1, 1991·Roux's Archives of Developmental Biology : the Official Organ of the EDBO·Renate Sandeman, David Sandeman

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Citations

Jun 2, 2007·Die Naturwissenschaften·Peer MartinGerhard Scholtz
Jan 4, 2006·Development Genes and Evolution·Frederike Alwes, Gerhard Scholtz
Nov 14, 2008·Invertebrate Neuroscience : in·Kathia Fabritius-VilpouxSteffen Harzsch
Aug 16, 2012·Biological Reviews of the Cambridge Philosophical Society·Günter Vogt
Apr 5, 2016·Proceedings of the National Academy of Sciences of the United States of America·Derek E G BriggsDavid Legg
Jan 7, 2021·Animals : an Open Access Journal From MDPI·Annamaria PassantinoPaolo Coluccio
Feb 5, 2008·The Journal of Experimental Biology·Günter VogtChristoph D Schubart

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