Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Environment: milieu / climate zone / depth range / distribution range Ecology

Pelagic; freshwater; depth range 100 - 300 m (Ref. 1522). Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

South America - Inland Waters: Inia geoffrensis geoffrensis: Amazon river and its tributary rivers into the headwaters of the Orinoco; Inia geoffrensis boliviensis: Rio Madeira drainage into Bolivia, border between Brazil and Bolivia; and Inia geoffrensis humboldtiana: Orinoco river.

Length at first maturity / Size / Weight / Age

Maturity: L_m ? range ? - ? cm Max length : 280 cm TL male/unsexed; (Ref. 1394); 230 cm TL (female); max. published weight: 160.0 kg (Ref. 1394)

Found in main river channels, smaller tributaries, lakes, and (seasonally) the flooded forest. Feeds on a large variety of fishes, generally near the bottom; prey have hard outer shells, and they sometimes feed in a coordinated manner, occassonally with Sotalia (Ref. 1394).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. (Ref. 1394)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Not Evaluated

CITES status (Ref. 108899)

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Threat to humans

Human uses

Fisheries: commercial
FAO - Fisheries: landings, species profile | FishSource | Sea Around Us

Tools

E-book | Field guide

More information

Trophic Ecology

Food items
Diet
Food consumption
Ration
Predators

Ecology

Ecology
Home ranges

Population dynamics

Growth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance

Life cycle

Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics

Distribution

Countries
FAO areas
Ecosystems
Occurrences
Introductions

Human Related

Aquaculture profile
Stamps, Coins Misc.

Outreach

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Taxonomy

Common names
Synonyms
Morphology
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References

Internet sources

Estimates based on models

Vulnerability (Ref. 71543): Very high vulnerability (81 of 100).

Price category (Ref. 80766): Unknown.

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Inia geoffrensis (Blainville, 1817)