Brazil country information

Common names: Arraia-viola, Cação-viola, Guitarra
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: minor commercial | Ref: FAO, 1992
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Traded as an aquarium fish at Fortaleza, Ceará (Ref. 49392). Also Ref. 4537.
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: Monteiro-Neto, C., F.E.A. Cunha, M.C. Nottingham, M.E. Araújo, I.L. Rosa and G.M.L. Barros, 2003
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Rhinobatidae (Guitarfishes) > Rhinobatinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Poisson-guitare chola, Guitarra chola, Guitarra chola, ... more

Main reference

Cervigón, F., R. Cipriani, W. Fischer, L. Garibaldi, M. Hendrickx, A.J. Lemus, R. Márquez, J.M. Poutiers, G. Robaina and B. Rodriguez. 1992. (Ref. 5217)
References | Biblio | Coordinator : McEachran, John | Collaborators

Size / Weight / Age

Max length : 100.0 cm WD male/unsexed; (Ref. 5217); common length : 70.0 cm WD male/unsexed; (Ref. 5217)

Length at first maturity
L_m 58.3 range ? - ? cm

Environment

Marine; demersal; depth range 0 - 110 m (Ref. 6902), usually ? - 80 m (Ref. 50163)

Climate / Range

Subtropical, preferred 25°C (Ref. 107945); 18°N - 37°S

Distribution

Western Atlantic: West Indies to northern Argentina. Eastern Atlantic: tropical waters of West Africa.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Shorter nostrils, no enlarged tubercles on the tip of the snout. Olive gray, reddish brown or chocolate brown. Pale translucent area on either side of rostral ridges. Darker brown spots or blotches on sides. Lower surface pale yellowish, greyish or dusky white, tip of the snout with a more or less conspicuous sooty blotch (Ref. 6902).

Found on shallow, soft bottoms. Ovoviviparous (Ref. 50449). Flesh considered low quality (Ref. 5217). Traded as an aquarium fish at Ceará, Brazil (Ref. 49392).

IUCN Red List Status (Ref. 115185)

Near Threatened (NT)

Threat to humans

Harmless

Human uses

Fisheries: commercial; aquarium: commercial

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

Download XML

Summary page | Point data | Common names | Photos

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD₅₀ = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.6 ±0.5 se; Based on diet studies.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (Fec = 2-13)

Vulnerability (Ref. 59153)
High vulnerability (56 of 100)

Price category (Ref. 80766)
Low

Pseudobatos percellens (Walbaum, 1792)