Collection information of the genus Geodia from boreo-arctic North-Atlantic deep-sea sponge grounds ...

Boreo-arctic sponge grounds are essential deep-sea structural habitats that provide important services for the ecosystem. These large sponge aggregations are dominated by demosponges of the genus Geodia (order Tetractinellida, family Geodiidae). However, little is known about the basic biological fe...

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Bibliographic Details
Main Authors: Koutsouveli, Vasiliki, Cárdenas, Paco, Conejero, Maria, Rapp, Hans Tore, Riesgo, Ana
Format: Dataset
Language:English
Published: PANGAEA 2020
Subjects:
Geodia
Histology
Porifera
Reproduction
FOS Medical biotechnology
Event label
Campaign
Sample ID
Species
Investigator
Sex
DATE/TIME
Latitude of event
Longitude of event
Device type
Area/locality
DEPTH, water
Remote operated vehicle
Agassiz Trawl
Dredge, triangle
GS2016109A
GS2017110
HB2016944
HB2016952
KB2017610
Nereus20160405
G. O. Sars 2003
Hans Brattström
Kristine Bonnevie
Nereus
Deep-sea Sponge Grounds Ecosystems of the North Atlantic SponGES
Arctic
North Atlantic
Online Access:https://dx.doi.org/10.1594/pangaea.921626
https://doi.pangaea.de/10.1594/PANGAEA.921626
Description
Summary:Boreo-arctic sponge grounds are essential deep-sea structural habitats that provide important services for the ecosystem. These large sponge aggregations are dominated by demosponges of the genus Geodia (order Tetractinellida, family Geodiidae). However, little is known about the basic biological features of these species, such as their life cycle and dispersal capabilities. Here, we surveyed five deep-sea species of Geodia from the North Atlantic Ocean and studied their reproductive cycle and strategy using light and electron microscopy. We confirmed that these five species were oviparous and gonochoristic and that their reproductive season spanned similar periods: from late spring to early autumn. Concerning their reproductive strategy, the high abundance of lipid yolk observed in the female gametes could indicate both a necessity for rapid fuel during embryogenesis in the water column and increased buoyancy for drifting over longer times. Overall, the investment in reproduction was lower for all the ...

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