Results 131 to 140 of about 682 (170)
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Weapon performance and contest assessment strategies of the cavitating snaps in snapping shrimp
Functional Ecology, 2022Abstract Animals compete in contests over limited resources. Contestants forfeit once they ascertain that their opponent has greater resource‐holding potential (RHP; mutual assessment) or once they reach a threshold of costs (self‐assessment). Functional scaling studies of contest behaviour performance can inform how assessment signals, offensive ...
Jason P. Dinh, S. N. Patek
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The acoustics of snapping shrimps
The Journal of the Acoustical Society of America, 1997With an increased interest in acoustic daylight, the contribution of snapping shrimp noise has drawn considerable attention. These crustaceans are among the major contributors of biological noise in shallow waters of temperate and tropical regions. The shrimp produce sounds by rapidly closing one of their frontal claws, snapping the ends together to ...
Whitlow W. L. Au, Kiara Banks
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Journal of Biosciences, 1998 During intraspecific agonistic encounters in snapping shrimp (Alpheus heterochaelis) the behaviour of the snapper, emitting a fast water jet by very rapid closure of the large modified snapper claw, and the receiver was analysed by single frame video analysis before, during, and after the snap.
Jens Herberholz
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Social transitions in sponge-dwelling snapping shrimp
Current Opinion in Insect Science, 2019Sociality is exceedingly rare in the marine environment, with true eusociality found only within a single genus of sponge-dwelling snapping shrimp. This genus is socially diverse and exhibits multiple independent evolutionary origins of both eusociality and communal breeding from pair-forming ancestors.
Solomon Tc, Chak, Dustin R, Rubenstein
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Evolutionary transitions towards eusociality in snapping shrimps
Nature Ecology & Evolution, 2017Animal social organization varies from complex societies where reproduction is dominated by a single individual (eusociality) to those where reproduction is more evenly distributed among group members (communal breeding). Yet, how simple groups transition evolutionarily to more complex societies remains unclear.
Solomon Tin Chi Chak +3 more
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The acoustics of snapping shrimp in Kaneohe Bay.
The Journal of the Acoustical Society of America, 1996Snapping shrimp are among the major contributors of biological noise in shallow bays, harbors, and inlets located in temperate and tropical waters. Snapping shrimp sounds can severely limit the use of underwater acoustics by humans and other animals such as dolphins, whales, and pinnepeds.
Whitlow W. L. Au, Kiara Banks
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For Certain Shrimp, Life's a Snap
Science, 2000On page 2114 of this issue, physicists report that a collapsing bubble outside the claw of the snapping shrimp Alpheus heterochaelis causes its characteristic clack. According to this new study, A. heterochaelis clamps its claw so rapidly that a water jet gushing from the claw first loses and then gains pressure, causing an air ...
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Ecological generalism facilitates the evolution of sociality in snapping shrimps
Ecology Letters, 2017AbstractEvidence from insects and vertebrates suggests that cooperation may have enabled species to expand their niches, becoming ecological generalists and dominating the ecosystems in which they occur. Consistent with this idea, eusocial species of sponge‐dwelling Synalpheus shrimps from Belize are ecological generalists with a broader host breadth ...
Katherine C, Brooks +4 more
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Snapping Behavior of the Shrimp Alpheus californiensis
Science, 1973A pair of very smooth disks, located on the claw of the snapping shrimp Alpheus californiensis , are temporarily held together by cohesive forces of water. This allows the closer muscle of the claw to generate a large amount of tension before these cohesive forces are overcome, and results in a rapid closing ...
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Experimental induction of claw transformation in snapping shrimps
Journal of Experimental Zoology, 1988AbstractThe effectiveness of various manipulations of the major claw in inducing the contralateral minor claw to transform into a major claw in adult snapping shrimps, Alpheus heterochelis, was studied. While removal of the major claw was 100% effective in inducing transformation, sectioning of its nerve was effective in about two‐thirds of the animals,
C. K. Govind, Anna Wong, Joanne Pearce
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