Journal Article
Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil
Bichuette, M.E. and Trajano, E.
Record Number:
5234
Year:
2021
Journal:
Diversity
Pages:
1-26
Volume:
13(2) 91
Abstract:
Abstract: We investigated population parameters using the capture-mark-recapture method
(Ituglanis passensis and I. bambui) and visual censuses (I. epikasrticus and I. ramiroi). The four species
are regionally threatened (Brazilian Red List) and occur in caves of Terra Ronca State Park, São
Domingos region, Central Brazil. We conducted seven fieldtrips across three years of dry seasons.
For the capture-mark-recapture method, a 400 m long stream inside Passa Três cave, where I. passensis
occurs and a 300 m long reach of an upper tributary where I. bambui occurs inside Angélica
cave were divided into 20 and 17 study sections, respectively. Catfishes were hand-netted, measured
(standard length), weighed, marked by subcutaneous injection of biocompatible pigments,
and released. The four species show medium-to-low mean population densities (0.03 ind/m2 0.7
ind/m2). Capture-mark-recapture data pointed to a relatively small population size for I. passensis,
restricted to a 1600 m long stream inside Passa Três cave (N = 719) and for I. bambui (N = 246; 300 m
of epikarstic drainage). Ituglanis passensis and I. bambui move along relatively small areas with a
restricted home range. We observed recruitment patterns and a trend of decrease in condition factor
during the dry seasons for I. bambui but not for I. passensis, suggesting that epikarstic waters are
probably more limiting concerning food input. Ituglanis passensis and I. bambui showed low growth
and consequently high longevity, corroborated by captivity data (20 years). We suggest urgent actions
and long-term monitoring projects to effectively protect this unique and endemic ichthyofauna.
Keywords: population ecology; growth; movements; São Domingos karst area; conservation;
epikarst
Times Cited:
9
Relevent Species:
Ituglanis undescribed species Posse [Rizzato and Bichuette 2017]Ituglanis boticario Rizzato and Bichuette 2014Ituglanis passensis Fernandez and Bichuette 2002Ituglanis bambui Bichuette and Trajano 2004Ituglanis epikarsticus Bichuette and Trajano 2004Ituglanis ramiroi Bichuette and Trajano 2004Ituglanis mambai Bichuette and Trajano 2008Ituglanis undescribed species Terra Ronca [Bichuette 2021]Ituglanis undescribed species Canastra [Bichuette 2021]
Related Records:
Trajano, E. and de Souza, A. M. (1994)
Behaviour of Ancistrus cryptophthalmus an armoured blind catfish from caves of central Brazil, with notes on syntopic Trichomycterus sp. (Siluriformes, Loricariidae, Trichomycteridae)
Trajano, E. (1997)Food and reproduction of Trichomycterus itacarambiensis, a cave catfish from south-eastern Brazil
Bichuette, M.E., Garz, M.A. and Moller, D. (2001)Preliminary studies on cave-dwelling catfishes, Ituglanis sp., from Goias, Brazil
Bichuette, M.E., Garz, M.A. and Moller, D. (2001)Preliminary studies on cave-dwelling catfishes, Ituglanis sp., from Goias, Brazil
Bichuette, M.E., Garz, M.A. and Moller, D. (2001)Preliminary studies on cave-dwelling catfishes, Ituglanis sp., from Goias, Brazil
Bichuette, M.E., Garz, M.A. and Moller, D. (2001)Preliminary studies on cave-dwelling catfishes, Ituglanis sp., from Goias, Brazil
Bichuette, M.E., Garz, M.A. and Moller, D. (2001)Preliminary studies on cave-dwelling catfishes, Ituglanis sp., from Goias, Brazil
Bichuette, M.E., Garz, M.A. and Moller, D. (2001)Preliminary studies on cave-dwelling catfishes, Ituglanis sp., from Goias, Brazil
Fernandez, L. and Bichuette, M.E. (2002)A new cave dwelling species of Ituglanis from the Sao Domingos karst, central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2002)Behaviour of subterranean catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Fernandez, L. and Bichuette, M.E. (2002)A new cave dwelling species of Ituglanis from the Sao Domingos karst, central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2002)Behaviour of subterranean catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Fernandez, L. and Bichuette, M.E. (2002)A new cave dwelling species of Ituglanis from the Sao Domingos karst, central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2002)Behaviour of subterranean catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Fernandez, L. and Bichuette, M.E. (2002)A new cave dwelling species of Ituglanis from the Sao Domingos karst, central Brazil (Siluriformes: Trichomycteridae)
Fernandez, L. and Bichuette, M.E. (2002)A new cave dwelling species of Ituglanis from the Sao Domingos karst, central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2002)Behaviour of subterranean catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Fernandez, L. and Bichuette, M.E. (2002)A new cave dwelling species of Ituglanis from the Sao Domingos karst, central Brazil (Siluriformes: Trichomycteridae)
Fernandez, L. and Bichuette, M.E. (2002)A new cave dwelling species of Ituglanis from the Sao Domingos karst, central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2002)Behaviour of subterranean catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2002)Behaviour of subterranean catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2003)Distribuicao, biologia, ecologia populacional e comportamento de peixes subterraneos, generos Ituglanis (Siluriformes: Trichomycteridae) e Eigenmannia (Gymnotiformes: Sternopygidae) da area carstica de Sao Domingos, nordeste de Goias
Bichuette, M.E. (2003)Distribuicao, biologia, ecologia populacional e comportamento de peixes subterraneos, generos Ituglanis (Siluriformes: Trichomycteridae) e Eigenmannia (Gymnotiformes: Sternopygidae) da area carstica de Sao Domingos, nordeste de Goias
Bichuette, M.E. (2003)Distribuicao, biologia, ecologia populacional e comportamento de peixes subterraneos, generos Ituglanis (Siluriformes: Trichomycteridae) e Eigenmannia (Gymnotiformes: Sternopygidae) da area carstica de Sao Domingos, nordeste de Goias
Bichuette, M.E. and Trajano, E (2003)Epigean and subterranean ichthyofauna from the Sao Domingos karst area, Upper Tocantins River basin, central Brazil
Bichuette, M.E. (2003)Distribuicao, biologia, ecologia populacional e comportamento de peixes subterraneos, generos Ituglanis (Siluriformes: Trichomycteridae) e Eigenmannia (Gymnotiformes: Sternopygidae) da area carstica de Sao Domingos, nordeste de Goias
Bichuette, M.E. (2003)Distribuicao, biologia, ecologia populacional e comportamento de peixes subterraneos, generos Ituglanis (Siluriformes: Trichomycteridae) e Eigenmannia (Gymnotiformes: Sternopygidae) da area carstica de Sao Domingos, nordeste de Goias
Bichuette, M.E. (2003)Distribuicao, biologia, ecologia populacional e comportamento de peixes subterraneos, generos Ituglanis (Siluriformes: Trichomycteridae) e Eigenmannia (Gymnotiformes: Sternopygidae) da area carstica de Sao Domingos, nordeste de Goias
Bichuette, M.E. (2003)Distribuicao, biologia, ecologia populacional e comportamento de peixes subterraneos, generos Ituglanis (Siluriformes: Trichomycteridae) e Eigenmannia (Gymnotiformes: Sternopygidae) da area carstica de Sao Domingos, nordeste de Goias
Bichuette, M.E. and Trajano, E. (2004)Three new subterranean species of Ituglanis from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2004)Population ecology of troglobitic catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2004)Three new subterranean species of Ituglanis from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2004)Population ecology of troglobitic catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2004)Population ecology of troglobitic catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2004)Three new subterranean species of Ituglanis from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2004)Three new subterranean species of Ituglanis from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2004)Population ecology of troglobitic catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2004)Three new subterranean species of Ituglanis from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2004)Three new subterranean species of Ituglanis from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2004)Population ecology of troglobitic catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Bichuette, M.E. (2004)Population ecology of troglobitic catfishes, genus Ituglanis, from central Brazil (Siluriformes: Trichomycteridae)
Pipan, T. (2005)Epikarst - A promising habitat
Bichuette, M.E. and Trajano, E. (2008)Ituglanis mambai, a new subterranean catfish from a karst area of Central Brazil, rio Tocantins basin (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2008)Ituglanis mambai, a new subterranean catfish from a karst area of Central Brazil, rio Tocantins basin (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2008)Ituglanis mambai, a new subterranean catfish from a karst area of Central Brazil, rio Tocantins basin (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2008)Ituglanis mambai, a new subterranean catfish from a karst area of Central Brazil, rio Tocantins basin (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2008)Ituglanis mambai, a new subterranean catfish from a karst area of Central Brazil, rio Tocantins basin (Siluriformes: Trichomycteridae)
Bichuette, M.E. and Trajano, E. (2008)Ituglanis mambai, a new subterranean catfish from a karst area of Central Brazil, rio Tocantins basin (Siluriformes: Trichomycteridae)
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Bichuette, M.E. and Rizzato, P.P. (2012)A new species if cave catfish from Brazil, Trichomycterus rubbioli sp. n., from Serra do Ramalho karstic area, Sao Francisco River basin, Bahia State (Siluriformes: Trichmycteridae)
Bichuette, M.E. and Rizzato, P.P. (2012)A new species if cave catfish from Brazil, Trichomycterus rubbioli sp. n., from Serra do Ramalho karstic area, Sao Francisco River basin, Bahia State (Siluriformes: Trichmycteridae)
Simões, L.B., dos Santos Ferreira, T.C. and Bichuette, M.E. (2013)Aquatic biota of different karst habitats in epigean and subterranean systems of Central Brazil – visibility versus relevance of taxa
Simões, L.B., dos Santos Ferreira, T.C. and Bichuette, M.E. (2013)Aquatic biota of different karst habitats in epigean and subterranean systems of Central Brazil – visibility versus relevance of taxa
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Rizzato, P.P. and Bichuette, M.E. (2017)The laterosensory canal system in epigean and subterranean Ituglanis (Siluriformes: Trichomycteridae), with comments about troglomorphism and the phylogeny of the genus
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Bichuette, M.E. and Trajano, E. (2021)Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil
Bichuette, M.E. and Trajano, E. (2021)Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil
Bichuette, M.E. and Trajano, E. (2021)Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil
Bichuette, M.E. and Trajano, E. (2021)Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil
Bichuette, M.E. and Trajano, E. (2021)Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil
Bichuette, M.E. and Trajano, E. (2021)Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil
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Bichuette, M.E. and Gallão, J.E. (2021)Under the surface: what we know about the threats to subterranean fishes in Brazil
Bichuette, M.E. and Trajano, E. (2021)Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil
Bichuette, M.E. and Gallão, J.E. (2021)Under the surface: what we know about the threats to subterranean fishes in Brazil
Bichuette, M.E. and Trajano, E. (2021)Monitoring Brazilian cavefish: Ecology and conservation of four threatened catfish of genus Ituglanis (Siluriformes: Trichomycteridae) from central Brazil