In situ observations of foraging, feeding, and escape behavior in three orders of oceanic ctenophores: Lobata, Cestida, and Beroida

Matsumoto, George I.; Harbison, G. R.

doi:10.1007/bf00345673

Cited by 36 publications

(35 citation statements)

References 19 publications

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“…; Tamm & Tamm ; Mackie et al. ; Matsumoto & Harbison ). The scyphomedusan Chrysaora quinquecirrha ( Desor 1848) feeds voraciously on Mnemiopsis leidyi in tributaries of Chesapeake Bay, USA (Purcell & Cowan ).…”

Section: Escape Swimmingmentioning

confidence: 99%

Cilia and the life of ctenophores

Tamm

2014

Invertebrate Biology

112

189

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Section: Escape Swimmingmentioning

confidence: 99%

Cilia and the life of ctenophores

Tamm

2014

Invertebrate Biology

112

189

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“…Only 2 of the typically 16 tentacles are shown. From Colin et al (2005) Harbison , Reeve & Walter 1978, SchulzeRobbecke 1984, Hamner et al 1987, Matsumoto & Hamner 1988, Matsumoto & Harbison 1993. The mechanisms enabling lobate Mnemiopsis leidyi to capture prey were examined in more detail by who video-recorded the interactions between free-swimming M. leidyi and nauplii and adult stages of the copepod Acartia tonsa.…”

Section: Prey-capture Mechanisms Used By Ctenophoresmentioning

confidence: 99%

Particle capture mechanisms in suspension-feeding invertebrates

Riisgård¹,

Larsen²

2010

Mar. Ecol. Prog. Ser.

213

179

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A large number of suspension-feeding aquatic animals (e.g. bivalves, polychaetes, ascidians, bryozoans, crustaceans, sponges, echinoderms, cnidarians) have specialized in grazing on not only the 2 to 200 µm phytoplankton but frequently also the 0.5 to 2 µm free-living bacteria, or they have specialized in capturing larger prey, e.g. zooplankton organisms. We review the different particle capture mechanisms in order to illustrate the many solutions to the common problem of obtaining nourishment from a dilute suspension of microscopic food particles. Despite the many differences in morphology and living conditions, particle capture mechanisms may be divided into 2 main types. (1) Filtering or sieving (e.g. through mucus nets, stiff cilia, filter setae), which is found in passive suspension feeders that rely on external currents to bring suspended particles to the filter, and in active suspension feeders that themselves produce a feeding flow by a variety of pump systems. Here the inventiveness of nature does not lie in the capture mechanism but in the type of pump system and filter pore-size. (2) A paddle-like flow manipulating system (e.g. cilia, cirri, tentacles, hair-bearing appendages) that acts to redirect an approaching suspended particle, often along with a surrounding 'fluid parcel', to a strategic location for arrest or further transport. Examples include (1) sieving (e.g. by microvilli in sponge choanocytes, mucus nets in polychaetes, acidians, and salps among others), filter setae in crustaceans, 'ciliary sieving' by stiff laterofrontal cilia in bryozoans and phoronids; and (2) 'cirri trapping' in mussels and other bivalves with eu-laterofrontal cirri, ciliary 'catch-up' in bivalve and gastropod veliger larvae, some polychaetes, entroprocts, and cycliophores. These capture mechanisms may involve contact with a particle, and possibly mechanoreception or chemoreception, or may include redirection of particles by the interaction of multiple currents (e.g. in scallops and other bivalves without eu-laterofrontal cirri). Based on the review, we discuss the current physical and biological understanding of the capture process and suggest a number of specific problems related to particle capture, which may be solved in the future using advanced theoretical, computational and experimental techniques.

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“…Wang et al ). Several living ctenophore species, for example, Beroe (Matsumoto and Harbison ) and Mnemiopsis (Craig and Okubo ) swim in a spiral motion, although this is not related to a spiral disposition of the comb rows but rather to the ctenes in adjacent rows beating out of phase (Craig and Okubo ).…”

Section: Discussionmentioning

confidence: 99%

Eoandromedaand the origin ofCtenophora

Tang

Bengtson

Wang

et al. 2011

Evolution and Development

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The Ediacaran fossil Eoandromeda octobrachiata had a high conical body with eight arms in helicospiral arrangement along the flanks. The arms carried transverse bands proposed to be homologous to ctenophore ctenes (comb plates). Eoandromeda is interpreted as an early stem-group ctenophore, characterized by the synapomorphies ctenes, comb rows, and octoradial symmetry but lacking crown-group synapomorphies such as tentacles, statoliths, polar fields, and biradial symmetry. It probably had a pelagic mode of life. The early appearance in the fossil record of octoradial ctenophores is most consistent with the Planulozoa hypothesis (Ctenophora is the sister group of Cnidaria + Bilateria) of metazoan phylogeny.

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In situ observations of foraging, feeding, and escape behavior in three orders of oceanic ctenophores: Lobata, Cestida, and Beroida

Cited by 36 publications

References 19 publications

Cilia and the life of ctenophores

Cilia and the life of ctenophores

Particle capture mechanisms in suspension-feeding invertebrates

Eoandromedaand the origin ofCtenophora

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