| Occurrence | native | ||
| Importance | Ref. | ||
| Aquaculture | Ref. | ||
| Regulations | Ref. | ||
| Freshwater | No | ||
| Brackish | No | ||
| Saltwater | Yes | ||
| Live export | |||
| Bait | No | ||
| Gamefish | No | ||
| Abundance | Ref. | ||
| Comments |
Type locality, mouth of the Rio de la Plata, BMNH 1879.5.14.258 (holotype of Ancylodon atricauda, 9.42 cm SL) (Ref. 88197). |
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| States/Provinces | |||
| States/Provinces Complete? | No | ||
| National Checklist | |||
| Country information | https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html | ||