Arius parkeri
General information
 
Arius parkeri (Trail, 1832)
 
 
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
-
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Ariidae
Geographical distribution
-
Occurrence -
Importance
Remarks
No heteromorphism observed between males and females.
Karyological information
Geographical area of study Estuarine region, Cananéia Coast, São Paulo, Brazil.
Source of chromosomes
Kidney
Number of specimens with sex
13 (6 male, 7 female)
Diploid chromosome number
56
Karyotype formula
16m+16sm+22st+2t
Fundamental arm number
88
Chromosome length
Length ranged 4.25 to 1.54 µm
Sex chromosome
-
Chromosome staining/banding/FISH
-
Reference(s)
Gomes V, Phan VN, Passos MJAC (1994). Karyotypes of three species of marine catfishes from Brazil. Bolm Inst Oceanogr USP 42: 55-61.