... 2023 15 12 2023 © 2024. Published by The Company of Biologists Ltd 2024 Summary: Different visual systems in the Atlantic ghost crab and mangrove tree crab are intricately adapted to their unique ecological roles and environments. Compound eyes Crustaceans Visual physiology...

...: Investigation into how fiddler crabs integrate their responses to simultaneous predatory threats provides evidence of predictive selective attention under naturalistic conditions in the field. Escape behaviour Predator avoidance Crustaceans Vision Multiple simultaneous predators Natural environments...

... prostaglandins in the regulation of reproduction by inducing the synthesis of MF and consequent ecdysteroid synthesis in brachyuran crabs, and provide an alternative molecular intervention mechanism to the traditional eyestalk ablation methodology to induce vitellogenesis and ovarian maturation in crustaceans...

...Dahlia Kushinsky; Ekaterina O. Morozova; Eve Marder ABSTRACT The heart and pyloric rhythms of crustaceans have been studied separately and extensively over many years. Local and hormonal neuromodulation and sensory inputs into these central pattern generator circuits play a significant role...

...Lynne U. Sneddon ABSTRACT Recent developments in the study of pain in animals have demonstrated the potential for pain perception in a variety of wholly aquatic species such as molluscs, crustaceans and fish. This allows us to gain insight into how the ecological pressures and differential life...

...Ganji Purna Chandra Nagaraju Summary Control of reproductive development in crustaceans requires neuropeptides, ecdysone and methyl farnesoate (MF). A major source of neuropeptides is the X-organ–sinus gland (XO–SG) complex located in the eyestalk ganglia of crustaceans. The other regulatory...

...Dirk Weihrauch; Michael P. Wilkie; Patrick J. Walsh SUMMARY The diversity of mechanisms of ammonia and urea excretion by the gills and other epithelia of aquatic organisms, especially fish and crustaceans, has been studied for decades. Although the decades-old dogma of `aquatic species excrete...

... contents were measured in the aquatic subterranean crustacean Niphargus rhenorhodanensis and in the morphologically close surface-dwelling aquatic crustacean Gammarus fossarum , both acclimated at 12°C, 3°C and -2°C. Cold acclimation induced an increase in the T c values in both species but no survival...

... Limited 1994 neuropeptides neuromodulators confocal microscopy immunocytochemistry crustaceans Cancer borealis crab The myomodulin family consists of nine related peptides (myomodulins A–I), all possessing a common Met-Leu-Arg-Leu-NH2 carboxyl terminal sequence ( Cropper et al . 1987...

... ©The Company of Biologists Limited 1994 eye movements eye muscles muscle fibre types crustaceans stomatopods Odontodactylus scyllarus Stomatopods, commonly known as mantis shrimps, are a group of crustaceans which are frequently found in shallow well-lit marine habitats...

...Douglas S. Neufeld; James N. Cameron ABSTRACT The regulation of calcium in most crustaceans is especially challenging owing to the highly mineralized cuticle that must be recalcified after each moult, a process that often occurs in environments with low concentrations of calcium. The gill...

... locomotory systems. 5 2 1993 © 1993 by Company of Biologists 1993 strain locomotion gait exoskeleton crustaceans Ocypode quadrata crab Animals change gaits very much like we change gears when driving wheeled vehicles. Each gait transition is marked by an abrupt change...

... in this activity. * Present address: Department of Zoology, The University of Maryland College Park, College Park, MD 20742, USA. 2 7 1992 © 1992 by Company of Biologists 1992 vision ocular tracking visual pursuit eye movements ommatidia crustaceans stomatopods Gonodactylus...

... logP 50 to pH ( Fig. 8 ) to give a ΔlogP 50 /ΔpH value of –1·25. This infers that changes in the concentration of calcium affected the pH-dependent Bohr shift in oxygen affinity of lobster haemocyanin. Lobsters, like other primarily aquatic crustaceans, experience chronic systemic hypoxia...

... , R. B. & Pichon , Y. ( 1975 ). Electrophysiological analysis of potassium and sodium movements in crustacean nervous system . J. exp. Biol . 63 , 85 – 115 . 10.1242/jeb.63.1.85 Bader , C. R. , Baumann , F. & Bertrand , D. ( 1976 ). Role of intracellular...

...Thomas W. Cronin; Jaygopal N. Nair; Robert D. Doyle; Roy L. Caldwell ABSTRACT Ocular tracking in two species of stomatopod crustaceans, Squilla empusa (Say) and Gonodactylus oerstedii (Hansen), was studied by presenting animals with small targets moving to their right and left. Squilla empusa...

... of the STG. 02 09 1987 © 1988 by Company of Biologists 1988 red pigment concentrating hormone crustaceans crabs stomatogastric ganglion neuromodulation neurohormones adipokinetic hormone Many neuropeptides were first identified because of their presence in peripheral tissues...

... to combat desiccation. * Present address: Department of Physiology G4, The University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104. 30 07 1981 21 09 1982 © 1983 by Company of Biologists 1983 Carbonic anhydrase acid-base regulation crustaceans...

... appendages crustaceans The repetitive and stereotyped nature of most arthropod behaviour has encouraged neurobiologists to use these animals extensively in studies on the neurological control of muscular activity and behaviour. Analyses have been made of the rhythmical activities of various parts...