Parotocinclus maculicauda
General information
 
Parotocinclus maculicauda (Steindachner, 1877)
 
 
Synonyms
Pareiorhaphis duseni (Miranda Ribeiro, 1907)
Otocinclus maculicauda Steindachner, 1877
IUCN Red List status (2014)
Not Reported
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Loricariidae.
Geographical distribution
Brazil
Occurrence Native: Brazil
Importance
Food
Remarks
Nil
Karyological information
Geographical area of study Acungui River (PR), Ribeira River Basin, Brazil.
Source of chromosomes
Not reported
Number of specimens with sex
55 (29 males; 26 females)
Diploid chromosome number
54
Karyotype formula
20m+20sm+14st
Fundamental arm number
108
Chromosome length
Not reported
Sex chromosome
Not reported
Chromosome staining/banding/FISH
Heterochromatin located preferentially at pericentromeric regions of pairs 4, 11, 14, 16, 17 and 18, besides the long arms of pair 12 at proximal and terminal region. The 12th pair exhibited a size heteromorphism in both (males and females) karyotypes. AgNOR located at interstitial region on long arms of sm pair 12. The 5S rDNA of I.
Reference(s)
Ziemniczak K , Barros AV ,Rosa KO , Nogaroto V , Almeida MC,Cestari MM, Filho OM , Artoni RF, Vicari MR (2012). Comparative cytogenetics of Loricariidae (Actinopterygii: Siluriformes): Emphasis in Neoplecostominae and Hypoptopomatinae, Italian Journal of Zoology, 79:4, 492-501.