Aspects of Osmotic Regulation in Crabs Showing the Terrestrial Habit

@article{Gross1955AspectsOO,
  title={Aspects of Osmotic Regulation in Crabs Showing the Terrestrial Habit},
  author={Warren J. Gross},
  journal={The American Naturalist},
  year={1955},
  volume={89},
  pages={205 - 222}
}
  • W. J. Gross
  • Published 1 July 1955
  • Biology
  • The American Naturalist
1. Terrestrial and semi-terrestrial crabs generally demonstrate the ability to regulate osmotically in dilute and concentrated sea water. 2. Osmotic regulation in terrestrial and semi-terrestrial crabs is not adaptive for aquatic life since osmotic stresses such as dilute and concentrated sea water are rarely experienced by these animals. Besides many such animals drown when completely immersed. 3. The branchial chamber of Pachygrapsus contains a volume of fluid equal to a maximum of about 3… 
A BEHAVIORAL MECHANISM FOR OSMOTIC REGULATION IN A SEMI-TERRESTRIAL CRAB
TLDR
The preference for normal sea water by Pachygrapsus suggests a mechanism which tends to restrict this crab to the intertidal and subtidal zones of the sea, which is in contrast to the land crab Birgus.
OSMOTIC TOLERANCE AND REGULATION IN CRABS FROM A HYPERSALINE LAGOON
1. The crabs Pachygrapsus crassipes and Hemigrapsus oregonsis were found thriving in an hypersaline lagoon which had been isolated from the sea for months and had attained salinities in excess of
TRENDS IN WATER AND SALT REGULATION AMONG AQUATIC AND AMPHIBIOUS CRABS
TLDR
There is some correlation between degree of terrestrialness and the ability to hyporegulate, that is, the more terrestrial crabs are stronger Hypo- and hyperosmotic regulation than the more aquatic crabs.
OSMOREGULATORY ROLE OF THE ANTENNARY GLAND IN TWO SPECIES OF ESTUARINE CRABS
TLDR
Total osmotic pressure measurements of urine were determined on two species of crabs, Hemigrapsus nudus and H. oregonensis, and the production of hypo-osmotic urine in winter-adapted animals indicated the participation of the antennary glands.
ASPECTS OF OSMOREGULATION IN TWO SPECIES OF INTERTIDAL CRABS
TLDR
The osmoregulatory abilities of these two species changed seasonally, and these responses resulted from the effect of temperature, whereas summer crabs were better regulators in hypertonic media, and consequently maintained the greater gradient.
AN ANALYSIS OF RESPONSE TO OSMOTIC STRESS IN SELECTED DECAPOD CRUSTACEA
TLDR
Among species where osmotic regulation occurs, it is established immediately and may be long lasting or may grow weaker with time, and although blood concentrations may fluctuate in a given stress, the phenomenon is not common.
POTASSIUM AND SODIUM REGULATION IN AN INTERTIDAL CRAB
TLDR
Varying values for "apparent volume of distribution" under different magnitudes of osmotic stress suggest the presence of salt pools which may represent incidental participation of the formed tissues, or may represent an adaptive mechanism which functions to assist in the ionic and osmosis regulatory mechanism.
Osmotic and ionic regulation by Leptograpsus variegatus during hyposaline exposure and in response to emersion
TLDR
Leptograpsus is not a ‘transitional’ species nor can it be considered as a model for the evolution of air breathing in the decapod crustaceans because it cannot employ branchial ion reprocessing due to high diffusive ion loss over the gills.
Nitrogen excretion is enhanced during urine recycling in two species of terrestrial crab
TLDR
It is demonstrated that, during urine recycling, the gills retain their function as the major avenue for nitrogen excretion as well, and G. lateralis would be unable to remain in osmotic equilibrium without the ability to reclaim ions from the urine by recycling it at the gill.
THE INFLUENCE OF TEMPERATURE ON OSMOTIC REGULATION IN TWO SPECIES OF ESTUARINE SHRIMPS (PENAEUS)
1. Melting point determinations on blood of two species of shrimp, Penaeus aztecus and P. duorarum, were made in an array of salinities of 10.06, 15.11, 20.17, 25.09, and 30.50%0 at 28.1-28.8,
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