country information

Common names: [No common name]
Occurrence:
Salinity:
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
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Country Information:
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Occurrences: Occurrences Point map
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Classification / Names

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Characidae (Characins) > Tetragonopterinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

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Main reference

Silva, G.S.C., B.F. Melo, C. Oliveira and R.C. Benine. 2013. (Ref. 93280)
References | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 6.3 cm SL male/unsexed; (Ref. 93280)

Environment

Freshwater; benthopelagic

Climate / Range

Tropical, preferred ?

Distribution

South America: middle portion of the Rio Araguaia in Brazil.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 11; Anal soft rays: 37 - 40. Diagnosed from all congeners except Tetragonopterus anostomus by the number of gill rakers on the upper and lower limbs of the first gill arch (18-20/10-12 vs. 12-14/8-10, respectively). Differs from T. anostomus byhaving terminal position of the mouth (vs. subsuperior). Can be futher distinguished from T. anostomus and T. denticulatus in the number of principal teeth in the dentary (four vs. five or six) and also by having relatively robust teeth with blunted cusps (vs. relatively smaller teeth with somewhat sharper cusps); from T. argenteus by the number of predorsal scales (7-9 vs. 12-16); from T. carvalhoi by having a rounded spot on the caudal peduncle (v. a lozenge-shaped spot); and from T. rarus by the lack of dark stripes on the lateral surface of the body (vs. the presence of such stripes) (Ref. 93280).

IUCN Red List Status (Ref. 115185)

Not Evaluated

Threat to humans

Harmless

Human uses

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration

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

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Common names | Photos

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD₅₀ = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.2 ±0.4 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278)

Vulnerability (Ref. 59153)
Low vulnerability (10 of 100)

Price category (Ref. 80766)

Tetragonopterus araguaiensis Silva, Melo, Oliveira & Benine, 2013