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Phractocephalus hemioliopterus  (Bloch & Schneider, 1801)

Redtail catfish
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Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Phractocephalus hemioliopterus   AquaMaps   Data sources: GBIF OBIS
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Image of Phractocephalus hemioliopterus (Redtail catfish)
Phractocephalus hemioliopterus
Picture by Jean-Francois Helias / Fishing Adventures Thailand


Brazil country information

Common names: Cajaro, Laitu, Parabebe
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: minor commercial | Ref: Ferreira, E.J.G., J. Zuanon and G.M. dos Santos, 1996
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments:
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Lundberg, J.G. and M.W. Littmann, 2003
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Pimelodidae (Long-whiskered catfishes)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 134 cm TL male/unsexed; (Ref. 40637); common length : 60.0 cm TL male/unsexed; (Ref. 12193); max. published weight: 44.2 kg (Ref. 40637)

Length at first maturity
Lm ?, range 85 - ? cm

Environment

Freshwater; demersal; pH range: 5.5 - 6.8; dH range: ? - 10; potamodromous (Ref. 51243)

Climate / Range

Tropical; 20°C - 26°C (Ref. 2060), preferred ?

Distribution

South America: Amazon and Orinoco River basins.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Biology     Glossary (e.g. epibenthic)

Feeds on fish, crabs and fruits (Ref. 6868). The species is introduced but not established in Florida.

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: minor commercial; gamefish: yes; aquarium: commercial

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.2   ±0.73 se; Based on food items.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Vulnerability (Ref. 59153)
High to very high vulnerability (65 of 100)
Price category (Ref. 80766)
Unknown