Listar Biología por autor "8cef5a44-e1ff-46bc-a6f6-f2ef57a9da5e"
Mostrando ítems 1-20 de 25
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Air-exposure behavior: a restricted or a common conduct among intertidal hermit crabs?
Perez Miguel, Marta; Wehrtmann, Ingo S.; Drake, Pilar; Cuesta, José (2020)A new behavior related to shell care was recently reported for the intertidal hermit crab Clibanarius erythropus (Latreille, 1818) in the Gulf of Cádiz (southwestern Europe). It also has been observed in other species of ... -
By-catch associated with fisheries of Heterocarpus vicarius (Costa Rica) and Heterocarpus reedi (Chile) (Decapoda: Pandalidae): a six-year study (2004-2009)
Arana, Patricio M.; Wehrtmann, Ingo S.; Orellana, Juan Carlos; Nielsen Muñoz, Vanessa; Villalobos Rojas, Fresia (Journal of Crustacean Biology, 33(2), 198-209. 2013, 2013)Growing concern about the quantity and diversity of by-catch species caught in the bottom trawling nets of crustacean fisheries led us to compare the quantity of by-catch recorded in Chilean and Costa Rican deep-water ... -
El camarón de agua dulce Macrobrachium cacinus (decapada, Palaemonida) y su potencial para la acuacultura en Costa Rica.
Wehrtmann, Ingo S. (2011-11-22)El objetivo del estudio es conocer aspectos básicos acerca el ciclo de vida de macrobrachium carcinus, un langostino que por su gran tamaño tiene potencial para la comercialización en la región. -
Caracterización molecular de las comunidades bacterianas asociadas a microplásticos encontrados en el sistema digestivo de la langosta de agua dulce Procambarus clarkii (Decapoda: cambaridae)
Guillén Watson, Rossy (2021)La contaminación por plásticos está causando daños irreparables en el planeta y se agrava cada día. Los microplásticos (MPs) son un contaminante peligroso de interés mundial que amenaza a los organismos, los ecosistemas ... -
Crustacean fauna (Stomatopoda: Decapoda) associated with the deepwater fishery of Heterocarpus vicarius (Decapoda: Pandalidae) along the Pacific coast of Costa Rica
Wehrtmann, Ingo S.; Echeverría Sáenz, Silvia (2007)Commercial bottom trawling is a successful and commonly used method to catch marine shrimps. However, the shrimp fishing gears are poorly selective, and in addition to the target species they catch and retain large quantities ... -
Description of a new species of Pagurus Fabricius, 1775 (Crustacea: Paguroidea: Paguridae) from the Pacific coast of Costa Rica, Central America, with notes on Pagurus albus (Benedict, 1892)
Ayón Parente, Manuel; Wehrtmann, Ingo S. (2019)A redescription of Pagurus albus (Benedict, 1892) is presented together with a description of a new species of hermit crab, Pagurus pseudoalbus sp. n., from the Pacific coast of Costa Rica. Pagurus pseudoalbus sp. n. differs ... -
Differentiation in reproductive traits of geminatemangrove crabs of the genus Aratus (Decapoda: Brachyura)across the Central American Isthmus
Rebolledo Navarro, Adriana Pacieli; Wehrtmann, Ingo S. (2016)The mangrove crab Aratus pisonii was considered to have an amphi-American distribution; however, a recent study revealed that the Eastern Tropical Pacific populations were genetically distinct, thus representing a new ... -
Distribution and reproduction of Ambidexter panamense and Palaemonetes schmitti in Pacific Costa Rica (Crustacea, Decapoda)
Wehrtmann, Ingo S. (1990)Este constituye el primer registro de las especies de carídeos P. schmitti y A. panamense para Costa Rica. Adultos de ambas especies fueron colectados en el estero de Punta Morales, Golfo de Nicoya, de enero a diciembre ... -
Effects of temperature on the embryonic development and hatchling size of Betaeus emarginatus (Decapoda: Caridea: Alpheidae)
Wehrtmann, Ingo S.; López, Gastón A. (2003)Betaeus emarginatus is an alpheid shrimp inhabiting rock pool environments characterized by strong fluctuations of ambient factors. Here we describe the embryonic development of B. emarginatus, and analyse the effects of ... -
Estructura poblacional y zonal potenciales de crianza del pargo mancha Lutjanus guttatus (Steindachner, 1869) en la costa del Pacífico de Costa Rica, a través de la composición isotópica de oxígeno (δ 18O) en otolitos
Farías Tafolla, Beatriz (2023)El pargo mancha Lutjanus guttatus se distribuye a lo largo del océano Pacífico, desde el norte de México hasta Perú y es una de las especies más abundantes en las zonas tropicales. A pesar de ser un recurso social y ... -
Feeding habits of the Pacific bearded brotula Brotula clarkae Hubbs, 1944 (Ophidiidae) along the Pacific coast of Costa Rica, Central America
Naranjo Elizondo, Beatriz; Espinoza Mendiola, Mario; Herrera Sarrias, Marcela; Clarke, Tayler McLellan; Wehrtmann, Ingo S. (2016)The present study analyzed the diet composition, ontogenetic shifts and dietary overlap of Brotula clarkae in relation to stage of maturity and sex. Samples were collected from the trawling fishery along the Pacific coast ... -
Freshwater crabs as predators and prey: the case of Ptychophallus uncinatus Campos & Lemaitre, 1999 (Brachyura, Pseudothelphusidae) from Costa Rica, Central America
Wehrtmann, Ingo S.; Hernández Díaz, Dayan; Cumberlidge, Neil (2019)Primary freshwater crabs are an important component of the food web in aquatic ecosystems, but our knowledge about the role of these decapods as predators and as prey is far from complete. Here we report observations of ... -
Freshwater Decapod Diversity and Conservation in Central America and the Caribbean
Wehrtmann, Ingo S.; Ramírez Ulate, Luis Alonso; Pérez Reyes, Omar (2016)This chapter provides an overview of the species diversity and conservation status of the freshwater decapods in Central America and the Caribbean islands that date back to the late 1800s in both areas. The majority of the ... -
Inventory of macroalgal epiphytes on the seagrass Thalassia testudinum (Hydrocharitaceae) in Parque Nacional Cahuita, Caribbean coast of Costa Rica
Samper Villarreal, Jimena; Bernecker Lucking, Andrea; Wehrtmann, Ingo S. (2008)Seagrass epiphytes play an important role in seagrass habitats; however, available information from Central America is scarce. The present study focuses on macroalgal epiphytes on leaves of the seagrass Thalassia testudinum ... -
Mercury levels in muscle tissue of four common elasmobranch species from the Pacific coast of Costa Rica, Central America
Sandoval Herrera, Natalia Ivone; Vargas Soto, Juan Sebastián; Espinoza Mendiola, Mario; Clarke, Tayler McLellan; Fisk, Aaron T.; Wehrtmann, Ingo S. (2016-01)Mercury (Hg) is a non-essential and toxic element that is ubiquitous in the marine environment and biomagnifies through food webs. Given the high trophic position of many elasmobranch species, it is important to quantify ... -
Microplastics in feed cause sublethal changes in the intestinal microbiota and a non-specific immune response indicator of the freshwater crayfish Procambarus clarkii (Decapoda: Cambaridae)
Guillén Watson, Rossy; Arias Andrés, María de Jesús; Rojas Jiménez, Keilor Osvaldo; Wehrtmann, Ingo S. (2023-07-18)Microplastics (MP) are a hazardous pollutant of global concern that threatens aquatic ecosystems and public health. We used the invasive, cosmopolitan, and environmentally versatile red swamp crayfish Procambarus clarkii ... -
Neotropical freshwater crabs (Decapoda: Pseudothelphusidae) shred leaves
Yang, Carol; Wehrtmann, Ingo S.; Wenger, Seth J.; Rugenski, Amanda T. (2020)Freshwater crabs are macroconsumers that are commonly found in Neotropical headwater streams that may play a key role in energy flow and nutrient cycling in detrital food webs. Although studies have examined the feeding ... -
New insights into the molecular phylogeny of the swimming crabs of the genera Portunus Weber, 1795 and Achelous De Haan, 1833 (Brachyura: Portunidae) of the Americas
Mantelatto, Fernando; Robles, Rafael; Wehrtmann, Ingo S.; Schubart, Christoph D.; Felder, Darryl L. (2018)Earlier studies of swimming crabs (family Portunidae) in the Americas suggested polyphyly of Portunus Weber, 1795. Our previous molecular analyses provided evidence for a subdivision of the genus, resulting in a reassignment ... -
Posible presencia de microplásticos en ostras (Crassostrea gigas) cultivadas en el Golfo de Nicoya, Pacífico de Costa Rica: Una revisión de las tendencias mundiales y comparación
Le Picard, Coralie (2023)Las ostras se abrirán para extraer los tejidos blandos, que se enjuagarán con agua destilada para eliminar la materia orgánica externa (MO). A continuación, estos tejidos se disolverán en hidróxido de potasio (KOH) al ... -
Presence of microplastics in six bivalve species (Mollusca, Bivalvia) commercially exploited at the Pacific coast of Costa Rica, Central America
Rojas Jiménez, Keilor Osvaldo; Villalobos Rojas, Fresia; Gatgens García, Johan; Rodríguez Arias, Marco; Hernández Montero, Natalia; Wehrtmann, Ingo S. (2022-08)Microplastic pollution represents a serious threat to coastal marine systems. We evaluated the presence of microplastics (MPs) in 168 specimens of six commercially exploited bivalve species in the Golfo de Nicoya, Costa ...