Extended Pre-Feeding Period in Planktotrophic Larvae of the Bathyal Echinoid Aspidodiadema Jacobyi

Author:

Young C.M.,Cameron J.L.,Eckelbarger K.J.

Abstract

The long-standing hypothesis (Thorson, 1946, 1950; Mileikovsky, 1971; Jablonski & Lutz, 1983) that deep-sea invertebrates should reproduce by direct development or by non-feeding (lecithotrophic) larvae is beginning to fall in the light of recent data. Traditional reasoning maintained that planktonic food should be limiting at great depths, and that microscopic, ciliated larvae should be incapable of migration to the euphotic zone. However, in recent years, planktotrophic larvae of two deep-sea gastropods have been collected in surface waters, and planktonic larval development has been inferred from shell morphology and chemistry in several other species (Bouchet & Warren, 1979; Killingley & Rex, 1985). Planktonic larvae have also been collected in the water column of the deep sea (Berg et al., 1985; Smith, 1985; Berg & Van Dover, 1987), particularly near hydrothermal vents. Relatively diverse benthopelagic plankton populations relying primarily on suspended detritus for food are now known from the benthic boundary layer of the deep sea (Wishner, 1980a, b; Gowing & Wishner, 1986). Thus, it is increasingly apparent that planktotrophy may be a common option for deep-sea larval development.

Publisher

Cambridge University Press (CUP)

Subject

Aquatic Science

Reference35 articles.

Cited by 15 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Larval ecology of echinoids;Developments in Aquaculture and Fisheries Science;2020

2. Ecology and Evolution of Larval Dispersal in the Deep Sea;Oxford Scholarship Online;2018-01-18

3. Three-stage lipid dynamics during development of planktotrophic echinoderm larvae;Marine Ecology Progress Series;2017-11-16

4. Dispersal Mechanisms of Deep-Sea Hydrothermal Vent Fauna;Seafloor Hydrothermal Systems: Physical, Chemical, Biological, and Geological Interactions;2013-03-22

5. Larval Ecology of Echinoids;Developments in Aquaculture and Fisheries Science;2013

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