| 词条 | Sarcoglanidinae |
| 释义 |
| taxon = Sarcoglanidinae | authority = Myers & Weitzman, 1966 | type_genus = Sarcoglanis | type_genus_authority = Myers & Weitzman, 1966 | subdivision_ranks = Genera | subdivision =Ammoglanis Malacoglanis Microcambeva Sarcoglanis Stauroglanis Stenolicmus }} The Sarcoglanidinae are a subfamily of catfishes (order Siluriformes) of the family Trichomycteridae. It includes six genera, Ammoglanis, Malacoglanis, Microcambeva, Sarcoglanis, Stauroglanis, and Stenolicmus.[1][2] TaxonomyThe subfamily Sarcoglanidinae was first established in 1966 for Sarcoglanis simplex and Malacoglanis gelatinosus. A third species of the subfamily, Stauroglanis gouldingi, was described about 25 years later.[2] Descriptions of additional species have followed, though most genera remain monotypic.[3] The relationships of the genus Ammoglanis with other sarcoglanidines are not well-established; however, this genus is currently included within Sarcoglanidinae.[4] This subfamily has been proposed to have a sister group relationship to Glanapteryginae. Like the members of this subfamily, many glanapterygines are sand-dwelling fish.[5] Distribution and habitatAll genera except Microcambeva are endemic to the Amazon River; Microcambeva species are known from southeastern Brazil.[2] Despite their scarcity in museum collections, sarcoglanidines possibly occur throughout the entire Amazon and the Orinoco basins.[2] Sarcoglanidines usually live in sandy banks of rivers and streams,[2] feeding on minute arthropods.[3] DescriptionSarcoglanidines are all very small (to the extent of some species being considered 'miniaturized'), usually not exceeding 25 mm (1.0 in) in standard length (SL); Microcambeva ribeirae is the largest species, reaching 48 mm (1.9 in) SL.[2] All except one species are poorly pigmented, with a translucent body in life.[2] The three pairs of barbels present in other trichomycterids are also present in these fish, though nasal barbels tend to be reduced. In addition, some taxa have barbel-like structures on the ventral surface of their heads.[2] Sarcoglanis simplex and Malacoglanis gelatinosus possess an uncommonly deep body, a hypertrophied sac-like adipose organ above the pectoral fin, and the absence of premaxillary teeth. These two species, along with Stauroglanis gouldingi, have few or no opercular and interopercular odontodes.[6] The subfamily has been characterized, among other things, by a toothless upper jaw, the presence of an adipose-like fin, and the pectoral-fin rays projecting beyond the fin membrane.[2] References1. ^{{cite book|title=Fishes of the World|last=Nelson|first=Joseph S.|publisher=John Wiley & Sons, Inc|year=2006|isbn=0-471-25031-7}} {{Taxonbar|from=Q7423582}}2. ^1 2 {{cite journal|url=http://digitallibrary.amnh.org/dspace/bitstream/2246/5105/1/N2950.pdf|title=A New Sarcoglanidine Catfish, Phylogeny of Its Subfamily, and an Appraisal of the Phyletic Status of the Trichomycterinae (Teleostei, Trichomycteridae)|first=Mario C. C.|last=de Pinna|journal=American Museum Novitates|issue=2950|pages=1–39|date=August 9, 1989|format=PDF}} 3. ^1 {{cite journal|title=Natural history of Stauroglanis gouldingi (Siluriformes: Trichomycteridae), a miniature sand-dwelling candiru from central Amazonian streamlets|first=Jansen|last=Zuanon|author2=Sazima, Ivan |journal=Ichthyol. Explor. Freshwaters|volume=15|issue=3|pages=201–208|date=September 2004}} 4. ^{{cite journal|url=http://wfsc.tamu.edu/winemiller/lab/DePinna&W-Ammoglanis-IEFW00.pdf|title=A New Species of Ammoglanis (Siluriformes: Trichomycteridae) from Venezuela|journal=Ichthyol. Explor. Freshwaters|volume=11|issue=3|pages=255–264|date=November 2000|format=PDF|deadurl=yes|archiveurl=https://web.archive.org/web/20060913063915/http://wfsc.tamu.edu/winemiller/lab/DePinna%26W-Ammoglanis-IEFW00.pdf|archivedate=2006-09-13|df=}} 5. ^{{cite journal|url=http://digitallibrary.amnh.org/dspace/bitstream/2246/5665/1/N3496.pdf|title=New and Noteworthy Venezuelan Glanapterygine Catfishes (Siluriformes, Trichomycteridae), with Discussion of Their Biogeography and Psammophily|first=Scott A.|last=Schaefer |author2=Provenzano, Francisco |author3=de Pinna, Mario |author4=Baskin, Jonathan N. |journal=American Museum Novitates|issue=3496|pages=1–27|date=November 29, 2005|format=PDF}} 6. ^1 2 3 4 5 6 {{cite journal|url=http://www.mapress.com/zootaxa/2004f/zt00563.pdf|title=Microcambeva ribeirae sp. n. (Teleostei: Siluriformes: Trichomycteridae): a new sarcoglanidine catfish from the Rio Ribeira do Iguape basin, southeastern Brazil|first=Wilson J.E.M.|last=Costa|author2=Lima, Sérgio M.Q. |author3=Bizerril, Carlos Roberto S.F. |journal=Zootaxa|volume=563|pages=1–10|year=2004|format=PDF}} 6 : Trichomycteridae|Fish of South America|Fauna of the Amazon|Fauna of Brazil|Ray-finned fish subfamilies|Taxa named by George S. Myers |
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