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Diversity and geographical distribution in ghost shrimps (Infraorders Axiidea and Gebiidea), along the Brazilian coast: an ecological approach to biogeographical patterns of distribution.

Grant number: 15/09020-0
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2015
Effective date (End): September 30, 2018
Field of knowledge:Biological Sciences - Ecology - Ecosystems Ecology
Principal researcher:Marcelo Antonio Amaro Pinheiro
Grantee:Patricio Alejandro Hernáez Bové
Home Institution: Instituto de Biociências (IB-CLP). Universidade Estadual Paulista (UNESP). Campus Experimental do Litoral Paulista. São Vicente , SP, Brazil


Ghost shrimps are classified as ecosystem engineers due to their ability to modify, maintain and/or create new habitats, which gives to these species an important role in structure of marine communities from shallow environments. Information about diversity and geographical distribution of ghost shrimps from coast of Brazil is currently scarce and mainly restricted to the north and northeastern of Brazilian coast. Some important works have provided a list of species; however, the overall knowledge about spatial distribution and basic ecology of most Brazilian species is too limited. Based on a collecting program along the entire coast of Brazil, the present study proposes examining the diversity and geographical distribution of ghost shrimps belonging to infraorders Axiidea and Gebiidea. Furthermore, it will obtain important information about sex ratio and reproductive potential (% ovigerous females) of each species and correlate these variables with spatial distribution along the Brazilian coast, in addition with population density (counting number of burrows), collect of biological material and sampling of decapod symbionts associated to the galleries of the ghost shrimps. The entire coast of Brazil will be covered through two latitudinal expeditions: (i) ERN, North and Northeastern expedition; and (ii) ERS, South and Southeastern expedition. The outcomes of the present study will provide new information about biogeography of this important group of decapod crustacean, which could be used like a baseline to management and conservation of ghost shrimps' populations along the Brazilian coast.

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Scientific publications (7)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
JOAO, MARCIO C. A.; HERNAEZ, PATRICIO. Burrow use and sexual dimorphism as indicators of the mating system in the symbiotic pea crab Austinixa patagoniensis (Rathbun 1918) (Decapoda, Brachyura, Pinnotheridae). MARINE ECOLOGY-AN EVOLUTIONARY PERSPECTIVE, AUG 2021. Web of Science Citations: 0.
HERNAEZ, PATRICIO; FENBERG, PHILLIP B.; RIVADENEIRA, MARCELO M. Departing from an ideal: An asymmetric, bimodal and non-Equatorial latitudinal gradient of marine diversity in Western Atlantic burrowing shrimps (Decapoda: Axiidea and Gebiidea). Journal of Biogeography, v. 48, n. 3 DEC 2020. Web of Science Citations: 0.
HERNAEZ, PATRICIO; BUCHMANN, FRANCISCO SEKIGUCHI; SANTANA, WILLIAM. A new species of Callichirus Stimpson, 1866 (Axiidea, Callianassidae) from the Pleistocene bioclastic sediment of southeast Brazil. Journal of South American Earth Sciences, v. 101, AUG 2020. Web of Science Citations: 0.
HERNAEZ, PATRICIO; MIRANDA, MARCEL S.; TAVARES, MARCOS. A new species of Biffarius Manning & Felder, 1991 (Decapoda: Axiidea: Callianassidae) from the intertidal coast of northeastern Brazil. Zootaxa, v. 4759, n. 4, p. 575-583, APR 6 2020. Web of Science Citations: 0.
HERNAEZ, PATRICIO; WINDSOR, AMANDA M.; PAULA, CAIO AUGUSTO; SANTANA, WILLIAM. A new species of the ghost shrimp genus Neocallichirus Sakai, 1988 (Decapoda: Axiidea: Callianassidae) from the southwestern Atlantic. MARINE BIOLOGY RESEARCH, v. 16, n. 1 DEC 2019. Web of Science Citations: 0.
PIVA RIO, JULIANA PRISCILA; HERNAEZ, PATRICIO; AMARO PINHEIRO, MARCELO ANTONIO. Relative growth, sexual maturity and handedness in the ghost shrimp Callichirus major (Decapoda: Callianassidae) from the southwestern Atlantic. Scientia Marina, v. 83, n. 2, p. 167-175, JUN 2019. Web of Science Citations: 0.
PATRICIO HERNÁEZ; MICHAEL J. HEREMAN; CAMILA E. R. PIMENTA; JULIANA P. P. RIO; MARCIO C. A. JOÃO; MARCELO A. A. PINHEIRO. La efectividad de una ley de protección al servicio de la conservación de un recurso marino: El ejemplo del camarón fantasma Callichirus major (Decapoda, Callianassidae) de la costa de Brasil. IHERINGIA SERIE ZOOLOGIA, v. 109, p. -, 2019.

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