Trapping of three drilling whelks by two species of mussel

Day, Robert W.; Barkai, Amos; Wickens, P. A.

doi:10.1016/0022-0981(91)90119-h

Cited by 36 publications

(17 citation statements)

References 14 publications

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“…Differences could also relate to background densities of dogwhelks. Although this information was not recorded in the present study, whelks are known to be common and closely distributed with intertidal mussel species on rocky shores in the study region (Day et al, 1991).…”

Section: Discussionmentioning

confidence: 98%

Do the threats of predation and competition alter larval behaviour and selectivity at settlement under field conditions?

Meden

Cole

McQuaid

2015

Journal of Experimental Marine Biology and Ecology

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Section: Discussionmentioning

confidence: 98%

Do the threats of predation and competition alter larval behaviour and selectivity at settlement under field conditions?

Meden

Cole

McQuaid

2015

Journal of Experimental Marine Biology and Ecology

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“…Algal turf grew on the rock surface where the H. mutabilis bed disappeared, and the sampling for the turf was carried out from April 1994. predators such as carnivorous polychaetes and isopods (Suchanek, 1985;Seed & Suchanek, 1992;Iwasaki, 1995a). Moreover, mussels are known to trap and immobilize snails with their byssal threads occasionally (Wayne, 1987;Petraitis, 1987;Day, Barkai & Wickens, 1991;Davenport, Moore & LeComter, 1996). As snails are at risk of being killed by the predators and mussels within mussel beds, they may avoid resting in the mussel beds.…”

Section: Discussionmentioning

confidence: 99%

Life Cycle and Habitat Shift of the Trochid Snail Diloma Suavis (Philippi) Within Intertidal Mussel Zones

Iwasaki

2000

Journal of Molluscan Studies

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The life cycle of the trochid snail Diloma suavis (Philippi, 1849), was studied on an intertidal rocky shore at Shirahama, Wakayama Prefecture, where two mytilid bivalves, Septifer virgatus (Wiegmann) and Hormomya mutabilis (Gould), formed vertically contiguous mussel beds in the upper-middle and lower zones, respectively. At low tide in April, the snail density increased with decreasing shore height and was greatest at the middle level of the H. mutabilis bed. Then, the density decreased towards the lower littoral fringe. Newly settled juveniles smaller than 2 mm in shell height appeared abundantly in late summer and autumn within algal turf on the lower shore. As snails grew larger than 2 mm, they appeared within the gaps of the H. mutabilis bed and the S. virgatus bed. They increased in size monotonically towards the next summer, but rate of growth in shell height tended to be great in autumn and small in winter. Seasonal change in the density of snails found within the gaps of the mussel beds was remarkable during a three year period, increasing from autumn to winter and then decreasing towards next summer. Reproduction occurred in summer, and adult snails disappeared by September. It is thus suggested that this species has a one year lifespan and shows a habitat shift from algal turf to the gaps of the mussel beds with growth.

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“…Furthermore, classical studies have addressed this kind of variability in terms of predator-prey interactions (Kitching et al 1959, Ebling et al 1964). For instance, many mussels develop defence mechanisms, such as increased shell thickness (Leonard et al 1999, Smith & Jennings 2000, strong adductor muscles (Hancock 1965), and increased byssus thread production (Day et al 1991, Côté 1995, to reduce the efficiency of their predators.…”

Section: Introductionmentioning

confidence: 99%

Predator-inducible defences and local intrapopulation variability of the intertidal mussel Semimytilus algosus in central Chile

Andrés¹,

Castilla²

2004

Mar. Ecol. Prog. Ser.

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Predator-inducible defences have a strong influence on the expression of morphological traits of intertidal invertebrates. For instance, mussels exposed to predators often have thicker shells than non-exposed. On the intertidal rocky shores of Chile, the mussel Semimytilus algosus is a preferred prey of many carnivorous invertebrates, including the snails Nucella crassilabrum and Concholepas concholepas, and the crab Acanthocyclus gayi. Preliminary observations indicated that S. algosus exists as 2 morphotypes: a thick, smooth shell and a thinner, ringed shell. The thick-shell morphotype was found mostly on compact, rocky platforms, whereas the thin one was found on emergent rocks. We examined the role of invertebrate predators in determining the morphological differences observed in S. algosus as a process of defence induction. The density and size of mussel predators showed significant differences between habitats: A. gayi dominating the platforms and N. crassilabrum emergent rocks. C. concholepas did not show differences between habitats. Waterborne cue experiments demonstrated that the mussel shell thickness is increased by the presence of predators, especially A. gayi. Furthermore, in contrast to the other predators, A. gayi preferentially selects mussels of the thin-shell morphotype. We demonstrate the cause and effect connection between variation in mussel shell morphology in the laboratory and their associated spatial distribution in the field, as well as the ecological role played by predators. We propose that, at local scales, the distribution and abundance of predators in the field explain the inter-population morphological differences of the mussel S. algosus.

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Trapping of three drilling whelks by two species of mussel

Cited by 36 publications

References 14 publications

Do the threats of predation and competition alter larval behaviour and selectivity at settlement under field conditions?

Do the threats of predation and competition alter larval behaviour and selectivity at settlement under field conditions?

Life Cycle and Habitat Shift of the Trochid Snail Diloma Suavis (Philippi) Within Intertidal Mussel Zones

Predator-inducible defences and local intrapopulation variability of the intertidal mussel Semimytilus algosus in central Chile

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