Pterygoplichthys multiradiatus (Hancock, 1828)

Orinoco sailfin catfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Siluriformes \| Loricariidae \| Hypostominae
Synonyms	Hypostomus multiradiatus, Ancistrus multiradiatus, Liposarcus multiradiatus, ... more
Common names	Long-fin armored catfish, Plecóstoma del Orinoco, Carachama, ... more

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Image of Pterygoplichthys multiradiatus (Orinoco sailfin catfish)

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Main reference

Burgess, W.E. 1989. (Ref. 6868)
Other references | Biblio | Coordinator : Fisch-Muller, Sonia | Collaborators

Size / Weight / Age

Max length : 50.0 cm TL male/unsexed; (Ref. 2059)

Environment

Demersal; freshwater; pH range: 6.5 - 7.8; dH range: 4 - 20

Climate / Range

Tropical; 23°C - 27°C (Ref. 1672); 10°N - 1°N, 68°W - 61°W

South America: Orinoco River basin. Reported from Argentina (Ref. 9086). Introduced and have established in Taiwan, mainland USA and Hawaii (Refs. 5723, 44091, 58503).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Occurs in streams and lakes (Ref. 44091) and in weedy, mud-bottomed canals (Ref. 5723). Benthic (Ref. 58302). Nocturnal, feeds on algae (Ref. 13371), but will also feed on worms, insect larvae, and other bottom-dwelling aquatic animals (Ref. 44091). Spawning period peaks once a year (Ref. 56986). Reproductive behavior includes digging of burrows for egg laying (Ref. 82067). May exhibit male parental care (Ref. 56986).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: of no interest; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (tm=1; Fec = 1,983)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (26 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Torres, Armi G.

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Page last modified by : elaxamana, 15 July 2009

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