AquaticRepublic.com - Physopyxis ananas (Doradidae) All Fishes

All Fishes Data Sheet
Scientific Name	**Physopyxis ananas** Sousa & Rapp Py-Daniel, 2005
Common Name	Robocop Catfish (Peru)
Type Locality	Rio Jutai, rio Solimões basin, 2°45'40"S, 66°47'59"W, Amazonas State, Brazil.
Species Information
Size	22mm or 0.9" SL. Find near, nearer or same sized spp.
Identification	Physopyxis can be distinguished from the other Doradidae by the miniature size (adults generally less than 31 mm SL) and a unique combination of additional features: extreme development of the exposed pectoral girdle; well developed coracoid process longer than the postcleithral process; anterior plate of the nuchal shield absent; dorsal spine serrated only along the basal portion of its anterior margin; two infraorbital bones in young that become fused into a single plate in adult specimens; pectoral spine reaching to base of anal fin.
Habitat Information
Distribution	South America: throughout the lowlands in the entire Amazon (including rio Negro) and rio Essequibo basins. Amazon, Upper Amazon, Jutai (click on these areas to find other species found there) Amazon, Middle Amazon (Solimoes), Negro (click on these areas to find other species found there) Guyana Waters, Coastal Rivers of Guyanas, Essequibo (click on these areas to find other species found there) Amazon (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2020.
Husbandry Information
Breeding	Unreported in the aquarium.
Breeding Reports	There is no breeding report.
Further Information
Reference	Neotropical Ichthyology v. 3 (no. 4), pp 630, Figs. 5, 8c.
Registered Keepers	There is no registered keeper.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There is but a single record of this fish being seen, view it.
Forum BBCode

	Look up P. ananas on PlanetCatfish.com
	Look up P. ananas on Fishbase
	Look up P. ananas on Encyclopedia of Life
	Look up P. ananas on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.12.274.4017
Last Update	2025 Jan 01 11:59 (species record created: 2011 Sep 24 09:28)