Biology:Aspidoras

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Short description: Genus of fishes

Aspidoras
Aspidoras fuscoguttatus.jpg
Aspidoras fuscoguttatus
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Callichthyidae
Subfamily: Corydoradinae
Genus: Aspidoras
R. Ihering, 1907
Type species
Aspidoras rochai
Ihering, 1907

Aspidoras is a genus of catfishes of the family Callichthyidae from Brazil.

Taxonomy

The type species for this genus is Aspidoras rochai. The name Aspidoras is derived from the Greek aspis (shield) and dora (skin).[1]

Aspidoras is easily distinguished from the other genera of the subfamily Corydoradinae by the presence of a supraoccipital fontanel; this character is an autapomorphy for the genus.[2] Many of the species of Aspidoras are similar and often hard to distinguish. Without specimens, it is often very difficult to positively identify a species from photographs alone. They are all small species.[2] A. taurus is exceptional in that it just surpasses 5 cm in length.[3]

The monophyly of the genus has been demonstrated.[4]

Species

There are currently 18 recognized species in this genus:

  • Aspidoras albater Nijssen & Isbrücker, 1976[5] (False macropterus)
  • Aspidoras aldebaran Tencatt, M. R. Britto, Isbrücker & Pavanelli, 2022[6]
  • Aspidoras azaghal Tencatt, Muriel-Cunha, Zuanon, Ferreira & Britto, 2020[7]
  • Aspidoras belenos M. R. Britto, 1998[8]
  • Aspidoras brunneus Nijssen & Isbrücker, 1976
  • Aspidoras carvalhoi Nijssen & Isbrücker, 1976
  • Aspidoras depinnai M. R. Britto, 2000[9]
  • Aspidoras fuscoguttatus Nijssen & Isbrücker, 1976
  • Aspidoras gabrieli Wosiacki, T. G. Pereira & R. E. dos Reis, 2014[10]
  • Aspidoras kiriri Oliveira, Zanata, Tencatt & M. R. Britto[11]
  • Aspidoras lakoi P. Miranda-Ribeiro, 1949[12]
  • Aspidoras maculosus Nijssen & Isbrücker, 1976
  • Aspidoras mephisto Tencatt & Bichuette, 2017[13]
  • Aspidoras poecilus Nijssen & Isbrücker, 1976
  • Aspidoras psammatides M. R. Britto, F. C. T. Lima & A. C. A. Santos, 2005[14]
  • Aspidoras raimundi Nijssen & Isbrücker, 1976
  • Aspidoras rochai R. Ihering, 1907[15]
  • Aspidoras velites M. R. Britto, F. C. T. Lima & C. L. R. Moreira, 2002[16]

Distribution

Aspidoras species are endemic to small and shallow streams draining the Brazilian Shield.[3] The species of Aspidoras are distributed in eastern and central Brazil.[17] Most species are narrowly endemic, occurring in restricted areas of some major river drainages: A. fuscoguttatus and A. lakoi from the Paraná River system. A. albater, A. eurycephalus and A. gabrieli from the Tocantins River system. A. brunneus, A. marianae and A. microgalaeus from the Xingu River system. A. belenos, A. pauciradiatus and A. velites from Araguaia River system. A. rochai from rivers around Fortaleza. A. raimundi from the Parnaíba River. A. carvalhoi from rivers around Guaramiranga, Ceará State. A. maculosus from the Itapicuru River. A. menezesi from the Jaguaribe River. A. spilotus from the Acaráu River. A. poecilus from the Xingu River, Araguaia River, and Tocantins River systems. A. psammatides from the Paraguaçu River. A. virgulatus from the coastal rivers in Espírito Santo. A. depinnai is from the Ipojuca River basin, Pernambuco State.[2] A. taurus is known from the upper Itiquira River and upper Taquari River, both tributaries of the Paraguay River, Mato Grosso State, Brazil.[3]

In the aquarium

Aspidoras do fairly well in aquaria under similar conditions as for most Corydoras species. The water conditions that seem best are a pH of 6.8 to 7.0 and a temperature of about 22 °C to 26 °C. The species that is most likely to be found in an aquarium is the sixray corydoras, Aspidoras pauciradiatus.

References

  1. ↑ Froese, Rainer and Pauly, Daniel, eds. (2015). Species of Aspidoras in FishBase. April 2015 version.
  2. ↑ 2.0 2.1 2.2 Britto, M.R. (2000). "Aspidoras depinnai (Siluriformes: Callichthyidae): A New Species from Northeastern Brazil". Copeia 2000 (4): 1048–1055. doi:10.1643/0045-8511(2000)000[1048:adscan2.0.co;2]. 
  3. ↑ 3.0 3.1 3.2 Lima, F.C.T.; Britto, M.R. (2001). "New Catfish of the Genus Aspidoras (Siluriformes: Callichthyidae) from the Upper Rio Paraguai System in Brazil". Copeia 2001 (4): 1010–1016. doi:10.1643/0045-8511(2001)001[1010:ncotga2.0.co;2]. 
  4. ↑ Britto, M.R. (2003). "Phylogeny of the subfamily Corydoradinae Hoedeman, 1952 (Siluriformes: Callichthyidae), with a definition of its genera". Proceedings of the Academy of Natural Sciences of Philadelphia 153: 119–154. doi:10.1635/0097-3157(2003)153[0119:potsch2.0.co;2]. http://acd.ufrj.br/ppgzoo/orientadores/dados/Artigos%20Brito/Phylogeny%20Corydoradinae%20(Britto).pdf. 
  5. ↑ Nijssen, H; Isbrücker, IJH (1976). "The South American plated catfish genus Aspidoras R. von Ihering, 1907, with descriptions of nine new species from Brazil (Pices, Siluriformes, Callichthyidae)". Bijdr. Dierkd. 46 (1): 107–31. doi:10.1163/26660644-04601006. 
  6. ↑ Tencatt, Luiz Fernando Caserta; Britto, Marcelo R.; Isbrücker, Isaäc Jan Hendrik; Pavanelli, Carla Simone (14 October 2022). "Taxonomy of the armored catfish genus Aspidoras (Siluriformes: Callichthyidae) revisited, with the description of a new species" (in en). Neotropical Ichthyology 20 (3). doi:10.1590/1982-0224-2022-0040. https://www.scielo.br/j/ni/a/bxLjdgmQ7bg6CTg8WrcV3WH/?lang=en. Retrieved 9 February 2023. 
  7. ↑ Tencatt, Luiz F. C.; Muriel‐Cunha, Janice; Zuanon, Jansen; Ferreira, Marlon F. C.; Britto, Marcelo R. (October 2020). "A journey through the Amazon Middle Earth reveals Aspidoras azaghal (Siluriformes: Callichthyidae), a new species of armoured catfish from the rio Xingu basin, Brazil" (in en). Journal of Fish Biology 97 (4): 1072–1086. doi:10.1111/jfb.14467. PMID 32672364. https://onlinelibrary.wiley.com/doi/10.1111/jfb.14467. Retrieved 9 February 2023. 
  8. ↑ Britto, MR (1998). "Two new species of the genus Aspidoras (Siluriformes : Callichthyidae) from Central Brazil". Ichthyol Explor Freshw 8 (4): 359–68. 
  9. ↑ Britto, Marcelo R. (2000). "Aspidoras depinnai (Siluriformes: Callichthyidae): A New Species from Northeastern Brazil". Copeia 2000 (4): 1048–1055. doi:10.1643/0045-8511(2000)000[1048:ADSCAN2.0.CO;2]. https://www.jstor.org/stable/1448015. 
  10. ↑ Wosiacki W.B.; Pereira T.d.G.; Reis R.E. (2014). "Description of a New Species of Aspidoras (Siluriformes, Callichthyidae) from the Serra dos Carajás, Lower Tocantins River Basin, Brazil". Copeia 2014 (2): 309–316. doi:10.1643/ci-13-091. 
  11. ↑ Oliveira, Lívia M. A.; Zanata, Angela M.; Tencatt, Luiz F. C.; Britto, Marcelo R. (30 March 2017). "A new species of Aspidoras (Siluriformes: Callichthyidae) from a small coastal drainage in northeastern Brazil" (in en). Neotropical Ichthyology 15. doi:10.1590/1982-0224-20160118. https://www.scielo.br/j/ni/a/QGFcbJzWt6XfMbQRKwHb8cf/?lang=en. Retrieved 9 February 2023. 
  12. ↑ Miranda-Ribeiro, P (1949). "Duas novas espécies de peixes na coleção ictiológica do Museu Nacional (Pisces, Callichthyidae et Pygidiidae)". Rev Bras Biol 9 (2): 143–45. 
  13. ↑ Caserta Tencatt; L.F.; and M. Elina Bichuette (2017). Aspidoras mephisto, new species: The first troglobitic Callichthyidae (Teleostei: Siluriformes) from South America. PLoS ONE 12(3): e0171309.
  14. ↑ Britto, Marcelo R.; Lima, Flávio C. T.; Santos, Alexandre C. A. (December 2005). "A new Aspidoras (Siluriformes: Callichthyidae) from rio Paraguaçu basin, Chapada Diamantina, Bahia, Brazil" (in en). Neotropical Ichthyology 3 (4): 473–479. doi:10.1590/S1679-62252005000400004. https://www.scielo.br/j/ni/a/GTMP9nS9TN6JrTPBbSC9DKK/?lang=en. 
  15. ↑ Ihering, R (1907). "Diversas espécies novas de peixes nemathognathas do Brasil". Notas Preliminares. Rev Mus Paul 1 (1): 13–39. 
  16. ↑ Britto, MR; Lima, FCT; Moreira, CR (2002). "Aspidoras velites, a new catfish from the upper Rio Araguaia basin, Brazil (Teleostei: Siluriformes: Callichthyidae)". Proc Biol Soc Wash 115 (4): 727–36. https://www.biodiversitylibrary.org/page/35519098. Retrieved 9 February 2023. 
  17. ↑ Reis, R.E. (1997). "Aspidoras". Tree of Life Web Project. http://www.tolweb.org/Aspidoras/15342. 

Wikidata ☰ Q136190 entry



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