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The benthic sea-silk-thread displacement of a sessile bivalve, Pinctada imbricata radiata (Leach, 1819) in the Arabian-Persian Gulf. / Giraldes, Bruno Welter; Leitao, Alexander; Smyth, David.
Yn: PLoS ONE, Cyfrol 14, Rhif 5, e0215865, 01.05.2019.

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Giraldes BW, Leitao A, Smyth D. The benthic sea-silk-thread displacement of a sessile bivalve, Pinctada imbricata radiata (Leach, 1819) in the Arabian-Persian Gulf. PLoS ONE. 2019 Mai 1;14(5):e0215865. doi: 10.1371/journal.pone.0215865

Author

Giraldes, Bruno Welter ; Leitao, Alexander ; Smyth, David. / The benthic sea-silk-thread displacement of a sessile bivalve, Pinctada imbricata radiata (Leach, 1819) in the Arabian-Persian Gulf. Yn: PLoS ONE. 2019 ; Cyfrol 14, Rhif 5.

RIS

TY - JOUR

T1 - The benthic sea-silk-thread displacement of a sessile bivalve, Pinctada imbricata radiata (Leach, 1819) in the Arabian-Persian Gulf

AU - Giraldes, Bruno Welter

AU - Leitao, Alexander

AU - Smyth, David

PY - 2019/5/1

Y1 - 2019/5/1

N2 - A number of molluscs within the Class Bivalvia are defined by their ability to secrete fine silk like threads known as byssus which are used to anchor themselves to solid substrates. With relatively few exceptions the majority of these species remain in a sedentary state throughout their life attached via their byssal threads. However, observations of adult Pinctada imbricata radiata pearl oysters made during this study revealed this species’ ability to implement active movement. Byssal threads were secreted in a sequence of attachment and detachment phases, which resulted in the active displacement of the oyster. The oyster was observed, in the laboratory over a 9 day period, travelling a distance of 28cm in a horizontal path. After horizontal displacement, a vertical climbing phase was observed until the oyster reached the water surface at which point the byssus was discarded and the animal dropped, drifting in accordance with water current intensity. It is possible that these adaptations of byssal use are a result of environmentally induced evolutionary change within P. i. radiata.

AB - A number of molluscs within the Class Bivalvia are defined by their ability to secrete fine silk like threads known as byssus which are used to anchor themselves to solid substrates. With relatively few exceptions the majority of these species remain in a sedentary state throughout their life attached via their byssal threads. However, observations of adult Pinctada imbricata radiata pearl oysters made during this study revealed this species’ ability to implement active movement. Byssal threads were secreted in a sequence of attachment and detachment phases, which resulted in the active displacement of the oyster. The oyster was observed, in the laboratory over a 9 day period, travelling a distance of 28cm in a horizontal path. After horizontal displacement, a vertical climbing phase was observed until the oyster reached the water surface at which point the byssus was discarded and the animal dropped, drifting in accordance with water current intensity. It is possible that these adaptations of byssal use are a result of environmentally induced evolutionary change within P. i. radiata.

KW - Animals

KW - Indian Ocean

KW - Locomotion

KW - Pinctada/physiology

KW - Silk/physiology

U2 - 10.1371/journal.pone.0215865

DO - 10.1371/journal.pone.0215865

M3 - Article

C2 - 31042736

VL - 14

JO - PLoS ONE

JF - PLoS ONE

SN - 1932-6203

IS - 5

M1 - e0215865

ER -