General information
Elops smithi (McBride, 2010)  
   
Common nameMalacho
Synonyms
-
IUCN Red List status (2014)
Data Deficient (DD)
Habitat
Saltwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Elopiformes; Elopidae.
Geographical distribution USA; Guyana; Panama; Costa Rica; Honduras; Bahamas; Bermuda; Trinidad and Tobago
Occurrence native: USA; native: Guyana; native: Panama; native: Costa Rica; native: Honduras; native: Bahamas; stray: Bermuda; native: Trinidad and Tobago
Remarks Telomeric sequences were positive in all telomeres of the chromosomes with interstitial telomeric sequences found in the majority of its acrocentric chromosomes.
Karyological information
Geographical area of study Fishing village of Ajuruteua Beach, Amazon Coastal Zone, Para, Brazil.
Source of chromosomes Cell cultures from kidney biopsies.
Number of specimens with sex 5
Diploid chromosome number 50
Karyotype formula 6m+4sm+40a
Fundamental arm number 60
Chromosome length -
Sex chromosome -
Chromosome staining/banding/FISH Positive C-bands observed in centromere of all chromosomes. Additional interstitial heterochromatic blocks observed in pairs 4, 5, 9,19 and 22. Silver-positive nucleolar dots observed in centromeric region of pair 14 with size variations. 18S and 5S rDNA probes hybridized in centromere of pair 20.
Reference de Sousa RPC, Silva-Oliveira GC, Furo IO, de Oliveira-Filho AB, de Brito CDB, Rabelo L, Guimarães-Costa A, de Oliveira EHC, Vallinoto M. (2021). The role of the chromosomal rearrangements in the evolution and speciation of Elopiformes fishes (Teleostei; Elopomorpha). Zoologischer Anzeiger, 290: 40-48.
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