| General information |
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Sphoeroides testudineus (Linnaeus, 1758) |
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| Common name | Checkered puffer, Puffer |
| Synonyms |
Tetraodon testudineus Linnaeus, 1758 Sphaeroides testudineus (Linnaeus, 1758) |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Saltwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; Percomorpharia; Tetraodontiformes; Tetraodontidae. |
| Geographical distribution |
USA; Mexico; Brazil; Colombia; Venezuela; Guyana; Suriname; French Guiana; Panama; Cuba; Jamaica; Puerto Rico; Costa Rica; Nicaragua; Haiti; Dominican Republic; Guatemala; Honduras; Anguilla; Antigua and Barbuda; Aruba; Bahamas; Barbados; Belize; Bermuda; British Virgin Islands; Cayman Islands; Curaçao Island; Grenada; Guadeloupe; Martinique; Montserrat; Saint Kitts and Nevis; Saint Lucia; Saint Vincent and the Grenadines; Trinidad and Tobago; Turks and Caicos Islands; Virgin Islands (USA) |
| Occurrence |
native: USA; native: Mexico; native: Brazil; native: Colombia; native: Venezuela; native: Guyana; native: Suriname; native: French Guiana; native: Panama; native: Cuba; native: Jamaica; native: Puerto Rico; native: Costa Rica; native: Nicaragua; native: Haiti; native: Dominican Republic; native: Guatemala; native: Honduras; native: Anguilla; native: Antigua and Barbuda; native: Aruba; native: Bahamas; native: Barbados; native: Belize; native: Bermuda; native: British Virgin Islands; native: Cayman Islands; native: Curaçao Island; native: Grenada; native: Guadeloupe; native: Martinique; native: Montserrat; native: Saint Kitts and Nevis; native: Saint Lucia; native: Saint Vincent and the Grenadines; native: Trinidad and Tobago; native: Turks and Caicos Islands; native: Virgin Islands (USA) |
| Importance |
Ornamental |
| Remarks |
It can be highly toxic as a result of tetrodotoxins and saxitoxins in their bodies |
| Karyological information |
| Record 1 |
| Geographical area of study |
Rio Grande do Norte coast, Brazil |
| Source of chromosomes |
Not reported |
| Number of specimens with sex |
15 |
| Diploid chromosome number |
46 |
| Karyotype formula |
Not reported |
| Fundamental arm number |
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| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
Ag-NORs localized on the 1st chromosome pair in telomeric position, C-bands centromeric on most of the chromosomes. |
| Reference |
Gustavo SGL, Molina WF (2005). Karyotype Diversification in Fishes of the Balistidae, Diodontidae and Tetraodontidae (Tetraodontiformes). Caryologia, 58(3): 229-237. |
| Karyotype /Metaphase complement image |
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| Record 2 |
| Geographical area of study |
Venezuela. |
| Source of chromosomes |
Kidney tissue. |
| Number of specimens with sex |
|
| Diploid chromosome number |
46 |
| Karyotype formula |
24m+22a |
| Fundamental arm number |
70 |
| Chromosome length |
|
| Sex chromosome |
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| Chromosome staining/banding/FISH |
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| Reference |
Nirchio M, Rossi AR, Foresti F, Oliveira C (2014). Chromosome evolution in fishes: a new challenging proposal from Neotropical species. Neotropical Ichthyology, 12(4): 761-770. |
| Cross Link |