Floating lecithotrophic eggsfrom the bathyal echinothuriid sea urchin Araeosoma fenestratum

Member of
HBOI Faculty Contributions
Contributors
Cameron, J. Lane
McEuen, F. S.
Publisher
A. A. Balkema.
Date Issued
1988
Note

The large lecithotrophic eggs of the bathyal echinothuriid sea urchin
Araeosoma fenestratum are positively buoyant both in vitro and in situ. In the
laboratory, some eggs of A. fenestratum were negatively or neutrally buoyant at 10⁰C,
but all eggs were positively buoyant at higher te mperatures (> 15⁰C). In situ, all eggs
were positively buoyant from the surface to 790 m depth, spaning temperatures of 9⁰ to
27⁰C. At constant salinity, flotation rate is directly related to temperature; eggs
ascend more slowly at colder temperatures. We predict that eggs of A. fenestratum could reach the surface from a depth of 800m in 4.2 days.

Language
English
Type
Text
Genre
article
Form
pdf
Extent
6 p.
Subject (Topical)
Echinothuriidae
Sea urchins
Eggs
Echinodermata
Identifier
FA00007372
Additional Information
The large lecithotrophic eggs of the bathyal echinothuriid sea urchin
Araeosoma fenestratum are positively buoyant both in vitro and in situ. In the
laboratory, some eggs of A. fenestratum were negatively or neutrally buoyant at 10⁰C,
but all eggs were positively buoyant at higher te mperatures (> 15⁰C). In situ, all eggs
were positively buoyant from the surface to 790 m depth, spaning temperatures of 9⁰ to
27⁰C. At constant salinity, flotation rate is directly related to temperature; eggs
ascend more slowly at colder temperatures. We predict that eggs of A. fenestratum could reach the surface from a depth of 800m in 4.2 days.
Florida Atlantic University. Harbor Branch Oceanographic Institute contribution 598
This manuscript is an author version with the final publication available
and may be cited as: Cameron, J. L., McEuen, F. S., & Young, C. M. (1988). Floating lecithotrophic eggs
from the bathyal echinothuriid sea urchin Araeosoma fenestratum. In R. D. Burke, P. V. Mladenov, P.
Lambert, & R. L. Parsley (Eds.), Proceedings of the Sixth International Echinoderm Conference, Victoria,
23-28 August 1987 (pp. 177-180). Rotterdam; Brookfield, VT: A. A. Balkema.
Date Backup
1988
Date Text
1988
Date Issued (EDTF)
1988
Extension


FAU

IID
FA00007372
Organizations
Attributed name: Young, Craig M.
Attributed name: Harbor Branch Oceanographic Institute
Person Preferred Name

Cameron, J. Lane
Physical Description

pdf
6 p.
PURL
http://purl.flvc.org/fau/fd/FA00007372
Title Plain
Floating lecithotrophic eggsfrom the bathyal echinothuriid sea urchin Araeosoma fenestratum
URL
http://purl.flvc.org/fau/fd/FA00007372
Origin Information

1988
A. A. Balkema.

Brookfield, VT

Place

Brookfield, VT
Title
Floating lecithotrophic eggsfrom the bathyal echinothuriid sea urchin Araeosoma fenestratum
Other Title Info

Floating lecithotrophic eggsfrom the bathyal echinothuriid sea urchin Araeosoma fenestratum