Argentina country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Ranges south to Rio de la Plata (Ref. 31268). Found in San Jorge Gulf, 5°40' southwards from its known distribution. Collected at Solano Bay (45°43' S, 67°21' W) near Comodoro Rivadavia, Chubut Province (Ref. 86990).
National Checklist: Argentina
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Menni, R.C. and L.O. Lucifora, 2007
National Database:

Common names from other countries

Raya marrón oscuro, Ray, Raya marrón oscuro, ... more

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

Elasmobranquios (tiburones y rayas) (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Softnose skates)
Etymology: Sympterygia: Greek, syn, symphysis = grown together + Greek, pteryx = fin (Ref. 45335).
More on author: Garman.

Environment: milieu / climate zone / depth range / distribution range Ecología

marino demersal; rango de profundidad 10 - 188 m (Ref. 57911). Subtropical; 20°S - 40°S, 60°W - 40°W (Ref. 57911)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Southwest Atlantic: Rio de Janeiro, Brazil to Rio de la Plata, Argentina.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 150 cm TL macho / no sexado; (Ref. 57911); common length : 36.0 cm WD macho / no sexado; (Ref. 26408)

Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

Main reference Upload your references | Referencias | Coordinador : McEachran, John | Colaboradores

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

IUCN Red List Status (Ref. 130435)

Critically Endangered (CR) (A2bd); Date assessed: 01 July 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesquerías: comercial

FAO(Publication : search) | FishSource | Sea Around Us

Más información

Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores

Ecology
Ecología
Home ranges

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
Reproducción
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinámica larvaria

Distribution
Países
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
BRUVS - Videos

Anatomy
Gill areas
Cerebros
Otolitos

Physiology
Body compositions
Nutrients
Oxygen consumptions
Tipo de natación
Swimming speeds
Visual pigment(s)
Sonidos de peces
Diseases / Parasites
Toxicities (LC50s)

Genetics
Genética
Electrophoreses
Heritabilities

Human related
Aquaculture systems
Perfiles de acuicultura
Razas
Ciguatera cases
Stamps, coins, misc.

Outreach
Colaboradores

Taxonomy
Nombres comunes
Sinónimos
Morfología
Morfometría
Imágenes

References
Referencias

Herramientas

Special reports

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

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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

Estimates based on models

Preferred temperature (Ref. 115969): 11.3 - 21.8, mean 19.5 (based on 65 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00407 (0.00265 - 0.00627), b=3.02 (2.89 - 3.15), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Nivel trófico (Ref. 69278): 3.7 ±0.55 se; based on food items.

Resiliencia (Ref. 120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Assuming fecundity<100).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Price category (Ref. 80766): Medium.

Sympterygia acuta Garman, 1877