Testigos del pasado: peces del Lago del Bosque y del Bioparque de la Ciudad de La Plata (Buenos Aires, Argentina), preservados en el Museo de La Plata

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Fecha
12/2025
Editorial
Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo
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Probiota
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1515-9329
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Español
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Resumen
Los ecosistemas urbanos son lugares que albergan biodiversidad, conectando la naturaleza con la sociedad, y pueden enseñarnos sobre los eventos del pasado. La capital bonaerense cuenta con un gran espacio verde conocido como el Paseo del Bosque, donde se destacan el Lago del Bosque y el Bioparque (ex Jardín Zoológico y Botánico de La Plata), los que a su vez conforman un paisaje cultural estrechamente vinculado al Museo de La Plata. El propósito de este trabajo fue analizar y documentar los ejemplares más antiguos depositados en la Colección de Peces del Museo de La Plata (MLP-Ict), provenientes de esos dos ambientes urbanos durante las décadas de 1930 y 1940. Para ello, se realizó una revisión de los registros y ejemplares depositados en la misma. Se identificaron 28 registros documentados, de los cuales solo cuatro lotes de ejemplares pudieron ser examina- dos: dos especies vulgarmente llama- das tachuelas, barre fondos o coridoras (Hoplisoma longipinne y H. paleatum) para el Lago del Bosque, y dos especies para el Lago del Bioparque, de nuevo el barre fondos (H. paleatum) y la comúnmente llamada castañeta o chanchita (Australoheros facetus). Estos resultados representan registros.
Urban ecosystems are places that harbor biodiversity, connecting nature with society, and they can teach us about past events. The capital of Buenos Aires Province has a large green space known as the Paseo del Bosque, where the Bosque Lake and the Biopark (formerly the Zoological and Botanical Garden of La Plata) stand out. Together, they form a cultural landscape closely linked to the La Plata Museum. The purpose of this work was to analyze and document the oldest specimens deposited in the Fish Collection of the La Plata Museum (MLP-Ict), originating from these two urban environments during the 1930s and 1940s. To achieve this, a review of the records and specimens deposited in the collection was carried out. A total of 28 documented records were identified, of which only four specimen lots could be examined: two species commonly known as “tachuelas,” “barre fondos,” or “corydoras” (Hoplisoma longipinne and H. paleatum) from the Bosque Lake, and two species from the Biopark Lake, again the “barre fondos” (H. paleatum) and the species commonly called “castañeta” or “chanchita” (Australoheros facetus). These results represent unique records of the ichthyofauna that inhabited urban aquatic spaces in the early decades of the 20th century in La Plata. In addition, representative live photographs of the analyzed species were obtained. In total, 13 fish species were recorded for the Bosque Lake, as a result of the compilation carried out from collection records, personal observations, and bibliographic sources. Scientific collections play a fundamental role not only in safeguarding and characterizing the biodiversity of natural areas but also in documenting artificial ecosystems created for recreational and cultural purposes, such as urban lakes.
Urban ecosystems are places that harbor biodiversity, connecting nature with society, and they can teach us about past events. The capital of Buenos Aires Province has a large green space known as the Paseo del Bosque, where the Bosque Lake and the Biopark (formerly the Zoological and Botanical Garden of La Plata) stand out. Together, they form a cultural landscape closely linked to the La Plata Museum. The purpose of this work was to analyze and document the oldest specimens deposited in the Fish Collection of the La Plata Museum (MLP-Ict), originating from these two urban environments during the 1930s and 1940s. To achieve this, a review of the records and specimens deposited in the collection was carried out. A total of 28 documented records were identified, of which only four specimen lots could be examined: two species commonly known as “tachuelas,” “barre fondos,” or “corydoras” (Hoplisoma longipinne and H. paleatum) from the Bosque Lake, and two species from the Biopark Lake, again the “barre fondos” (H. paleatum) and the species commonly called “castañeta” or “chanchita” (Australoheros facetus). These results represent unique records of the ichthyofauna that inhabited urban aquatic spaces in the early decades of the 20th century in La Plata. In addition, representative live photographs of the analyzed species were obtained. In total, 13 fish species were recorded for the Bosque Lake, as a result of the compilation carried out from collection records, personal observations, and bibliographic sources. Scientific collections play a fundamental role not only in safeguarding and characterizing the biodiversity of natural areas but also in documenting artificial ecosystems created for recreational and cultural purposes, such as urban lakes.
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