Egg development and fecundity estimation in deep-sea red crab, Chaceon affinis (Geryonidae), off the Canary Islands (NE Atlantic)
6 pages, 5 figures, 1 table The goal of this work was to elaborate on reproductive knowledge of the deep-sea red crab, Chaceon affinis, off the Canary Islands by providing information regarding its egg development and fecundity. Six stages for eggs were observed, from fully filled with yolk to the e...
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Online Access: | http://hdl.handle.net/10261/57016 https://doi.org/10.1016/j.fishres.2011.02.021 |
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ftcsic:oai:digital.csic.es:10261/57016 2024-02-11T10:07:03+01:00 Egg development and fecundity estimation in deep-sea red crab, Chaceon affinis (Geryonidae), off the Canary Islands (NE Atlantic) Tuset, Víctor M. Espinosa, Domingo I. García-Mederos, Antonio Santana, Jose I. González, José A. 2011-05 http://hdl.handle.net/10261/57016 https://doi.org/10.1016/j.fishres.2011.02.021 en eng Elsevier https://doi.org/10.1016/j.fishres.2011.02.021 Fisheries Research 109(2-3): 373-378 (2011) 0165-7836 http://hdl.handle.net/10261/57016 doi:10.1016/j.fishres.2011.02.021 none Egg development Fecundity Chaceon affinis Northeast Atlantic Northeastern Atlantic artículo http://purl.org/coar/resource_type/c_6501 2011 ftcsic https://doi.org/10.1016/j.fishres.2011.02.021 2024-01-16T09:41:04Z 6 pages, 5 figures, 1 table The goal of this work was to elaborate on reproductive knowledge of the deep-sea red crab, Chaceon affinis, off the Canary Islands by providing information regarding its egg development and fecundity. Six stages for eggs were observed, from fully filled with yolk to the embryo occupying almost all the space inside the egg. A correlation was established between egg stage and the colour of the egg mass. Morphological analyses indicated that the eggs are spherical in shape and that they increase the 10.7% in maximum diameter from the initial to the final stage. Fecundity (AFE, annual fecundity estimation), defined as the number of eggs borne per females, was calculated with two methods, manual by hand counter and using an automated morphology system. No statistical differences for the relationships carapace width (CW)–AFE and total weight (TW)–AFE were detected between the two methods. The number of eggs ranged from 199,690 to 566,956 (105–160 mm CW). A positive correlation was obtained between AFE and CW (r2 = 0.672) and TW (r2 = 0.785) The authors are indebted to José A. Pérez-Peñalvo, Rosa Domínguez-Seoane and Eliseba García for skilful technical assistance. Financial support was received from the EU ERDF in the framework of the PIC INTERREG III B project PESCPROF-2 (03/MAC/4.2/M8) and from the Spanish Government in the framework of project REDECA (CTM2005-07712-C03/MAR) Peer reviewed Article in Journal/Newspaper Northeast Atlantic Digital.CSIC (Spanish National Research Council) Fisheries Research 109 2-3 373 378 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Egg development Fecundity Chaceon affinis Northeast Atlantic Northeastern Atlantic |
spellingShingle |
Egg development Fecundity Chaceon affinis Northeast Atlantic Northeastern Atlantic Tuset, Víctor M. Espinosa, Domingo I. García-Mederos, Antonio Santana, Jose I. González, José A. Egg development and fecundity estimation in deep-sea red crab, Chaceon affinis (Geryonidae), off the Canary Islands (NE Atlantic) |
topic_facet |
Egg development Fecundity Chaceon affinis Northeast Atlantic Northeastern Atlantic |
description |
6 pages, 5 figures, 1 table The goal of this work was to elaborate on reproductive knowledge of the deep-sea red crab, Chaceon affinis, off the Canary Islands by providing information regarding its egg development and fecundity. Six stages for eggs were observed, from fully filled with yolk to the embryo occupying almost all the space inside the egg. A correlation was established between egg stage and the colour of the egg mass. Morphological analyses indicated that the eggs are spherical in shape and that they increase the 10.7% in maximum diameter from the initial to the final stage. Fecundity (AFE, annual fecundity estimation), defined as the number of eggs borne per females, was calculated with two methods, manual by hand counter and using an automated morphology system. No statistical differences for the relationships carapace width (CW)–AFE and total weight (TW)–AFE were detected between the two methods. The number of eggs ranged from 199,690 to 566,956 (105–160 mm CW). A positive correlation was obtained between AFE and CW (r2 = 0.672) and TW (r2 = 0.785) The authors are indebted to José A. Pérez-Peñalvo, Rosa Domínguez-Seoane and Eliseba García for skilful technical assistance. Financial support was received from the EU ERDF in the framework of the PIC INTERREG III B project PESCPROF-2 (03/MAC/4.2/M8) and from the Spanish Government in the framework of project REDECA (CTM2005-07712-C03/MAR) Peer reviewed |
format |
Article in Journal/Newspaper |
author |
Tuset, Víctor M. Espinosa, Domingo I. García-Mederos, Antonio Santana, Jose I. González, José A. |
author_facet |
Tuset, Víctor M. Espinosa, Domingo I. García-Mederos, Antonio Santana, Jose I. González, José A. |
author_sort |
Tuset, Víctor M. |
title |
Egg development and fecundity estimation in deep-sea red crab, Chaceon affinis (Geryonidae), off the Canary Islands (NE Atlantic) |
title_short |
Egg development and fecundity estimation in deep-sea red crab, Chaceon affinis (Geryonidae), off the Canary Islands (NE Atlantic) |
title_full |
Egg development and fecundity estimation in deep-sea red crab, Chaceon affinis (Geryonidae), off the Canary Islands (NE Atlantic) |
title_fullStr |
Egg development and fecundity estimation in deep-sea red crab, Chaceon affinis (Geryonidae), off the Canary Islands (NE Atlantic) |
title_full_unstemmed |
Egg development and fecundity estimation in deep-sea red crab, Chaceon affinis (Geryonidae), off the Canary Islands (NE Atlantic) |
title_sort |
egg development and fecundity estimation in deep-sea red crab, chaceon affinis (geryonidae), off the canary islands (ne atlantic) |
publisher |
Elsevier |
publishDate |
2011 |
url |
http://hdl.handle.net/10261/57016 https://doi.org/10.1016/j.fishres.2011.02.021 |
genre |
Northeast Atlantic |
genre_facet |
Northeast Atlantic |
op_relation |
https://doi.org/10.1016/j.fishres.2011.02.021 Fisheries Research 109(2-3): 373-378 (2011) 0165-7836 http://hdl.handle.net/10261/57016 doi:10.1016/j.fishres.2011.02.021 |
op_rights |
none |
op_doi |
https://doi.org/10.1016/j.fishres.2011.02.021 |
container_title |
Fisheries Research |
container_volume |
109 |
container_issue |
2-3 |
container_start_page |
373 |
op_container_end_page |
378 |
_version_ |
1790605164376227840 |