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Colossoma macropomum  (Cuvier, 1816)

Cachama
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Colossoma macropomum
Picture by Lovshin, L.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Serrasalmidae ()
Etymology: Colossoma: Greek, kolos = short, truncated + Greek, soma = body (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 5.0 - 7.8; dH range: ? - 20; potamodromous (Ref. 51243); depth range 5 - ? m.   Tropical; 22°C - 28°C (Ref. 1672); 15°S - 35°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 108 cm TL male/unsexed; (Ref. 40637); common length : 70.0 cm TL male/unsexed; (Ref. 9987); max. published weight: 40.0 kg (Ref. 72380)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Amazon and Orinoco basins as wild form; pisciculture form largely distributed in South America.

Biology     Glossary (e.g. epibenthic)

This species is usually solitary. Adults stay in flooded forests during first 5 months of flooding and consume but fruits and grains. Young and juveniles live in black waters of flood plains until their sexual maturity. Feeds on zooplankton, insects, snails and decaying plants (Ref. 32894). Used in aquaculture because it can live in mineral poor waters and is very resistant to diseases. Marketed fresh and frozen (Ref. 9987).

Main reference Upload your references | References | Coordinator | Collaborators

Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Traumatogenic




Human uses

Fisheries: minor commercial; aquaculture: commercial; aquarium: public aquariums
FAO(Aquaculture: production; fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

More information

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

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=-1.66000 (nan - nan), b=3.02 (2.83 - 3.21), based on LWR estimates for species & Subfamily-BS (Ref. 93245).
Trophic Level (Ref. 69278):  2.0   ±0.1 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.23; Fec=7,000-300,000).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (47 of 100) .
Price category (Ref. 80766):   Unknown.