Results 121 to 130 of about 1,377 (167)
Some of the next articles are maybe not open access.
THE BIOLOGY OF MANX SPIDER CRABS
Proceedings of the Zoological Society of London, 1963The biology of the fourteen species of spider crabs occurring in the Isle of Man area was investigated, particular attention being given to their distribution, food, moulting cycle and breeding. The distribution of a species is related to the type of bottom deposit, and members of a genus have complementary distributions.
openaire +1 more source
Penetration of the oocyte envelope by spermatozoa in the spider crab
Journal of Ultrastructure Research, 1971The oocyte of the spider crab Libinia emarginata possesses a two-layered envelope. This forms in the ovary between the oocyte and its surrounding follicle cells. Eggs collected at oviposition as they leave the body of the females have several sperms penetrating this envelope. Penetration apparently is the result of lysis by acrosomal materials.
openaire +2 more sources
CRAB SPIDERS' TRICKS FOR YELLOW CAMOUFLAGE
Journal of Experimental Biology, 2013Chameleons and octopuses may be famed for their extraordinary camouflage skills, but this ability is not unique and many animals, big and small, can match their surroundings. Perhaps one of the smallest is the tiny crab spider, Thomisus onustus , which measure between 1 and 10 mm.
openaire +1 more source
UV and Camouflage in Crab Spiders (Thomisidae)
2012Crab spiders are formidable predators of many insects. Their colour is particularly fascinating and we have an excellent account of the foraging ecology of some species. A more recent research focus has been the prevalence of UV reflection in some crab spider species.
Marie E. Herberstein +1 more
openaire +1 more source
Resource Underutilization in a Spider Crab Industry
Fisheries, 1977Abstract Underutilization in a spider crab fishery was large with respect to 1974 landings of 3300 metric tons (t). Potentially 1600 t were lost by not fishing all commercial stocks; at least 264 t were discarded in plants because they were too small, soft-shelled, or dead; an additional unmeasured quantity of small and soft-shelled crabs was discarded
openaire +1 more source
COMMENSAL ASSOCIATION OF A SPIDER CRAB AND A MEDUSA
The Biological Bulletin, 1927During four successive years the writer was associated with a week-end biotal survey of the coast of South Carolina, and on two of these field studies encountered a curious commensal re lationship between a spider crab and a medusa. The animals con cerned were Libinia dubia Milne-Edwards and Stontolophus niele agris L.
openaire +1 more source
Swimming in Spider Crabs of the Genus Macropodia
Nature, 1960THE only adult Brachyura which have previously been recorded swimming are the Portunidae, which do so by rapid paddling of the last pair of peraeopods. These are adapted for swimming by having the distal segments flattened, with the edges densely fringed with hairs.
openaire +1 more source