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Browsing National Museum of Natural History by Author "Baeza, J. Antonio"

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Is Hippolyte williamsi gonochoric or hermaphroditic? A multi-approach study and a review of sexual systems in Hippolyte shrimps

Espinoza-Fuenzalida, Nuxia L.; Thiel, Martin; Dupre, Enrique; Baeza, J. Antonio (2008)

Sexual systems vary considerably among caridean shrimps and while most species are gonochoric, others are described as sequential protandric hermaphrodites or simultaneous hermaphrodites with an early male phase. At present, ...
Molecular phylogeny of enigmatic Caribbean spider crabs from the Mithrax Mithraculus species complex (Brachyura: Majidae: Mithracinae): ecological diversity and a formal test of genera monophyly

Baeza, J. Antonio; Bolaños, Juan A.; Fuentes, Soledad; Hernandez, Jesus E.; Lira, Carlos; Lopez, Regulo (2010)

Crabs from the Mithrax Mithraculus species complex are known for their diversity of lifestyles, habitats, and coloration. This group includes small, colourful, symbiotic species and much larger, reef-dwelling crabs targeted ...
A New Species of Lysmata (Crustacea, Decapoda, Hippolytidae) from the Pacific Coast of Panama, with Observations of Its Reproductive Biology

Anker, Arthur; Baeza, J. Antonio; De Grave, Sammy (2009)

Arthur Anker, Juan Antonio Baeza, and Sammy De Grave (2009) A new species of Lysmata (Crustacea: Decapoda: Hippolytidae) from the Pacific coast of Panama, with observations of its reproductive biology. Zoological Studies ...
A new species of Lysmata (Crustacea, Decapoda, Hippolytidae) from Venezuela, southeastern Caribbean Sea

Baeza, J. Antonio; Bolanos, Juan A.; Hernandez, Jesus E.; Lopez, Regulo (2009)

Lysmata udoi n. sp., a new peppermint shrimp, is described from Venezuela, southeastern Caribbean Sea. All individuals were collected from dens of the toadfish Amphichthys criptocentrus (Valenciennes, 1837) in the subtidal ...
No Effect of Group Size on Sex Allocation in a Protandric-Simultaneous Hermaphroditic Shrimp

Baeza, J. Antonio (2007)
Population dynamics and reproductive output of the non-indigenous crab <I>Charybdis hellerii</I> in the south-eastern Caribbean Sea

Bolaños, Juan A.; Baeza, J. Antonio; Hernandez, Jesús E.; Lira, Carlos; López, Régulo (2012)

Charybdis hellerii is one of several poorly known non-indigenous crabs in the Caribbean. In this study we report on the reproductive dynamic of a shallow subtidal population that invaded Isla Margarita, Venezuela, south-eastern ...
Refuge size, group living and symbiosis: testing the "resource economic monopolization" hypothesis with the shrimp Betaeus lilianae and description of its partnership with the crab Platyxanthus crenulatus

Baeza, J. Antonio; Farías, N. E.; Luppi, T. A.; Spivak, E. D. (2010)

Theory predicts that refuge size is most relevant in driving the population distribution of marine organisms. Relatively small refuges are expected to harbor single or pairs of conspecifics because defense against intruders ...
Spatial and temporal distribution of the shrimp Nematopalaemon schmitti (Decapoda: Caridea: Palaemonidae) at a subtropical enclosed bay in South America

Fransozo, Vivian; Castilho, Antonio Leao; Morais Freire, Fulvio Aurelio; Furlan, Michele; De Almeida, Ariadine Cristine; Teixeira, Gustavo Monteiro; Baeza, J. Antonio (2009)

The spatio-temporal distribution of the soft bottom dwelling shrimp Nematopalaemon schmitti and the effect of environmental conditions (sediment characteristics, temperature, salinity and dissolved oxygen) on its abundance ...
The symbiotic lifestyle and its evolutionary consequences: Social monogamy and sex allocation in the hermaphroditic shrimp Lysmata pederseni

Baeza, J. Antonio (2010)

Sex allocation theory predicts female-biased sex allocation for simultaneous hermaphrodites with a monogamous mating system. Mating systems theory predicts that monogamy is advantageous in environments where refuges are ...
Testing the abundant-centre hypothesis using intertidal porcelain crabs along the Chilean coast: Linking abundance and life-history variation

Rivadeneira, Marcelo M.; Hernaez, Patricio; Baeza, J. Antonio; Boltana, Sebastian; Cifuentes, Mauricio; Correa, Cristian; Cuevas, Alejandra; Valle, Erasmo del; Hinojosa, Ivan; Ulrich, Niklas; Valdivia, Nelson; Vasquez, Nelson; Zander, Anke; Thiel, Martin (2010)

Aim The abundant-centre hypothesis (ACH) is based on the assumption that physiological constraints limit populations at the edges of their distributional range, yet the geographical variation of physiological performance ...

Browsing National Museum of Natural History by Author "Baeza, J. Antonio"

Browsing National Museum of Natural History by Author "Baeza, J. Antonio"

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