Results 21 to 30 of about 82,371 (292)

Dishonest signalling in a fiddler crab [PDF]

open access: greenProceedings of the Royal Society of London. Series B: Biological Sciences, 2000
Animal communication theory predicts that low-frequency cheating should be common in generally honest signalling systems. However, perhaps because cheats are designed to go undetected, there are few examples of dishonest signals in natural populations. Here we present what we believe is the first example of a dishonest signal which is used commonly by ...
Patricia R.Y. Backwell   +4 more
openalex   +3 more sources

NOTES ON THE BEHAVIOR OF THE FIDDLER CRAB

open access: greenThe Biological Bulletin, 1926
The typical mode of digging a burrow is described and some problems discussed which are closely connected with the burrowing instinct.The choice of the spot where the digging is started is determined by very many factors. Phototaxis and thigmotaxis are not sufficient explanations.The end-chamber of the burrow functions as an air-chamber during the high
Jan Dembowski
openalex   +5 more sources

The Effect of Distilled Water upon the Fiddler Crab

open access: hybridBiological Bulletin, 1913
1. The fiddler crabs of the genus Uca are able to endure abrupt and profound changes in the osmotic density of the water which they enter, passing from sea water into ordinary "fresh" water with impunity.2. They are able to spend long periods out of the water by the aid of a mechanism by means of which they store up a quantity of water above the gills ...
James Francis Abbott
openalex   +3 more sources

New Vectors of TTX Analogues in the North Atlantic Coast: The Edible Crabs Afruca tangeri and Carcinus maenas

open access: yesMarine Drugs, 2023
Tetrodotoxin (TTX) and its analogues are naturally occurring toxins historically responsible for human poisoning fatalities in Eastern Asia. It is typically linked to the consumption of pufferfish and, to a lesser extent, marine gastropods and crabs.
Sandra Lage   +3 more
doaj   +1 more source

Hemigrapsus sanguineus in Long Island salt marshes: experimental evaluation of the interactions between an invasive crab and resident ecosystem engineers [PDF]

open access: yesPeerJ, 2014
The invasive Asian shore crab, Hemigrapsus sanguineus, has recently been observed occupying salt marshes, a novel environment for this crab species. As it invades this new habitat, it is likely to interact with a number of important salt marsh species ...
Bradley J. Peterson   +3 more
doaj   +2 more sources

Bioaccumulation and biomagnification of potential toxic elements (PTEs): An Avicennia germinans–Uca rapax trophic transfer story from Jobos Bay, Puerto Rico

open access: yesEcological Indicators, 2021
In southern Puerto Rico along the coastline bordering the Jobos Bay National Estuarine Research Reserve, environmental encroachment has exposed mangrove forest to different sources of pollution.
Michael Martínez-Colón   +4 more
doaj   +1 more source

Behavioral Patterns and Benefits of Fiddler Crab (Uca pugnax) for Mangrove Plants in Kuala Langsa

open access: yesBiosfer: Jurnal Tadris Biologi, 2022
This research aims to discover the behavior patterns and benefits of the Fiddler Crab (Uca pugnax). This study was carried out in the Kuala Langsa Mangrove Forest Area, Aceh Province, between May and June 2022.
Jariati Khaira   +5 more
doaj   +1 more source

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