# Atlantic humpback dolphin (*Sousa teuszii*)

Canonical page: https://creaturedata.com/animals/atlantic-humpback-dolphin  
Data as of: 2026-11-11

The Atlantic humpback dolphin (Sousa teuszii) is a species in the family Delphinidae, order Cetacea. Recorded adults weigh about 100 kg and live up to 17.5 years. Its IUCN Red List status is Critically Endangered.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 100 kg |
| Length | Not recorded |
| Lifespan | 17.5 years |
| Diet | Piscivore |
| Longest recorded lifespan | 20 years |
| Main food | Not recorded |
| Habitat | Not recorded |
| Gestation | 365 days |
| Young per litter or clutch | 1 |
| Age at maturity | 5.5 years |
| Active | Day and night (cathemeral) |
| Lifestyle | Marine |
| Conservation status | Critically Endangered (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Mammalia
- order: Cetacea
- family: Delphinidae
- genus: Sousa
- species: *Sousa teuszii* (Kükenthal, 1892)

Synonyms: *Sotalia teuszi*, *Sotalia teuszii*

## Common questions

### How big is the Atlantic humpback dolphin?

An adult Atlantic humpback dolphin weighs 100 kg, according to values recorded on Wikidata.

### Is the Atlantic humpback dolphin endangered?

The Atlantic humpback dolphin is listed as Critically Endangered on the IUCN Red List, meaning it faces an extremely high risk of extinction in the wild.

### How long does the Atlantic humpback dolphin live?

The Atlantic humpback dolphin has a recorded lifespan of 17.5 years.

### How long is the Atlantic humpback dolphin pregnant?

The recorded gestation period is 365 days.

### What kind of animal is the Atlantic humpback dolphin?

The Atlantic humpback dolphin (Sousa teuszii) belongs to the family Delphinidae in the order Cetacea.

## Sources

- [An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles](https://doi.org/10.6084/m9.figshare.3563457.v1), CC0 1.0, E096-269. Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [Wikimedia Commons](https://commons.wikimedia.org), per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed), 2026-11-11. Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
- [EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals](https://doi.org/10.6084/m9.figshare.3559887.v1), CC0 1.0, 1.0. Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1
- [Wikidata](https://www.wikidata.org), CC0 1.0, 2026-11-11. Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
- [Wikipedia (English)](https://en.wikipedia.org), CC BY-SA 4.0, 2026-11-11. Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

Cite as: Atlantic humpback dolphin (Sousa teuszii). Retrieved from https://creaturedata.com/animals/atlantic-humpback-dolphin