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Flag of Paraguay Paraguay

Fish 21 - Systematic Listing

(18 speciess + 3 forms with special treatment that are not considered at the species level)

Number of records: 37

Last update: 03/10/2026 19:40:28

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Paraguay

General Information

Paraguay is a country located in the center of South America, bordered by Argentina to the south, Brazil to the east and north, and Bolivia to the northwest. Its territory covers an area of approximately 406,752 square kilometers, with a variety of ecoregions and environments ranging from tropical forests to savannas and wetlands. The country´s geography is characterized by being mostly flat, with some hills and mountains in the north and east. The Paraguay River, which runs through the country from north to south, is the main waterway and plays a crucial role in the country´s economy and ecology.

Paraguay´s geographical location makes it a strategic place for nature observations, as it is located at the intersection of several ecoregions and has a wide range of environments. The country has a network of roads and highways that connect the main cities and towns, making it easy to access different natural areas. The capital, Asunción, is the main entry point to the country and has an international airport that receives flights from several cities in America and Europe. From there, buses or taxis can be taken to reach other parts of the country.

The climate in Paraguay varies by region, with higher temperatures in the north and east, and lower temperatures in the south. The rainy season runs from October to March, and is the best time to visit the country if you want to observe nature in its fullest splendor. However, it is essential to consider that during this time, roads may be flooded, and access to some areas may be limited. In terms of infrastructure, Paraguay has a network of hotels and accommodations that range from budget-friendly options to luxury resorts, especially in the most popular tourist areas.

The vegetation in Paraguay is diverse and adapts to the different climatic and geographical conditions of the country. Tropical forests are found in the north and east, while savannas and grasslands dominate the landscape in the south and center. The country also has a large number of wetlands and protected areas, such as the Paraguayan Pantanal, which is one of the most biodiverse regions on the planet. To access these areas, it is necessary to obtain permits and authorizations from the relevant authorities, especially if you plan to conduct research or nature observation activities.

In terms of services, Paraguay has a network of guides and tour operators that offer excursion and safari services in different natural areas of the country. These services can include transportation, accommodation, and food, and are designed to meet the needs of visitors who want to explore Paraguayan nature. However, it is crucial to research and plan ahead, as some of these services may have restrictions or require advance reservations.

In summary, Paraguay is a country with a wide range of ecoregions and environments, offering unique opportunities for nature observations. The country´s geographical location, climate, and infrastructure make it an attractive destination for nature lovers, and its friendly and hospitable people guarantee an unforgettable experience for visitors.



Compilation and publication: EcoRegistros – 21/07/2026











  Order Family English Common Name Spanish Common Name Portuguese Common Name Scientific Name Belonging Records Chance of observation Conservation status Notes
1BeloniformesBelonidaePez PipaPotamorrhaphis eigenmanniNot listed12VI
  
2CharaciformesBryconidaeGolden DoradoDoradoSalminus brasiliensisNot listed1III
  
3CharacidaeMojarra PacusaAstyanax abramisNot listed1III
  
4Mojarra ParaguayaAstyanax asuncionensisNative3IV
  
5Astyanax sp.Not listed2IV
  
6PiraputangaBrycon hilariiNative1III
  
7Pirá PitáPirapitangaBrycon orbignyanusNative1III
  
8Palometa PacusaPiranha-doceSerrasalmus spilopleuraNot listed1III
  
9SerrasalmidaeMyleus rubripinnisNot listed1III
  
10Piraña de Panza AmarillaSerrasalmus maculatusNative1III
  
11GymnotiformesGymnotidaeMorena de CamaloteGymnotus carapoNot listed1III
  
12Morena NegraGymnotus sp.Not listed1III
  
13PerciformesCichlidaeOscarAstronotus crassipinnisNative1III
  
14SiluriformesCallichthyidaeTachuelaCorydoras aeneusNative1III
  
15DoradidaeArmadoPlatydoras armatulusNot listed1III
  
16LoricariidaeLoricariidae sp.Not listed2IV
  
17Armored CatfishVieja de BarbaParaloricaria vetulaNot listed1III
  
18Pterygoplichthys ambrosettiNot listed2IV
  
19PimelodidaePimelodus blochiiNot listed1III
  
20Bagre AmarilloPimelodus clariasNot listed1III
  
21Bagre ChalecoPimelodus ornatusNot listed1III
  
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