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Colomesus asellus (Müller & Troschel, 1849) Amazon puffer |
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photo by
Holm, E. |
| Family: | Tetraodontidae (Puffers), subfamily: Tetraodontinae | |||
| Max. size: | 12.8 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater; pH range: 5.5 - 7.19999980926514; dH range: 5 - 15 | |||
| Distribution: | South America: Amazon River basin from Peru to Marajó Island, including tributaries Araguaia and Guaporé Rivers; Orinoco River basin near the mouth; Essequibo River basin. | |||
| Diagnosis: | Distinct large black spot on underside of caudal peduncle. | |||
| Biology: | Found mostly in freshwater and coastal streams, but can tolerate brackish water. Sometimes kept in aquariums (Ref. 26938). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 06 November 2020 Ref. (130435) | |||
| Threat to humans: | harmless | |||