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Rioraja agassizii (Müller & Henle, 1841)

Rio skate
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Rioraja agassizii   AquaMaps   Data sources: GBIF OBIS
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Image of Rioraja agassizii (Rio skate)
Rioraja agassizii
Picture by Bornatowski, H.

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (tubarões e raias) (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Softnose skates)
Etymology: Rioraja: Latin, rivus = river (in Greek, rheo) + Latin, raja, -ae = ray, fish.
More on authors: Müller & Henle.

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

marinhas demersal; intervalo de profundidade ? - 130 m (Ref. 26375). Subtropical

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Southwest Atlantic: Espírito Santo, Brazil to Argentina.

Length at first maturity / Tamanho / Peso / Idade

Maturity: Lm 42.5, range 39 - 45.7 cm
Max length : 33.0 cm WD macho/indeterminado; (Ref. 26408)

Biologia     Glossário (ex. epibenthic)

A coastal species found on sand, mud or gravel bottoms (Ref. 26375). Feeds on crustaceans, mollusks and fishes (Ref. 26375). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

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

Referência principal Upload your references | Referências | Coordenador : 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)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

  Vulnerável, ver o Livro Vermelho da IUCN (VU) (A2bd); Date assessed: 01 July 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless





Utilização humana

Pescarias: espécies comerciais
FAO - Publication: search | FishSource | Sea Around Us

Mais informação

Trophic ecology
Itens alimentares
Diet compositions
Food consumptions
Food rations
Predadores
Ecology
Ecologia
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Frequência de comprimento
Mass conversions
Recruitments
Abundances
Life cycle
Reprodução
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larvas
Dinâmica larvar
Distribution
Países
Áreas FAO
Ecossistemas
Ocorrências
Introduções
BRUVS - Videos
Anatomy
Gill areas
Cérebros
Outras referências
Physiology
Body compositions
Nutrients
Oxygen consumptions
Tipo de natação
Swimming speeds
Visual pigment(s)
Sons de peixes
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genética
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Perfis para aquacultura
Estirpes
Ciguatera cases
Stamps, coins, misc.
Outreach
Colaboradores
References
Referências

Ferramentas

Relatórios especiais

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Fontes da internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Consultar FishWatcher | CISTI | Catalog of Fishes: Género, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoma, nucleotídeo | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de dados nacionais | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia: ir para, procurar | World Records Freshwater Fishing | Registo zoológico

Estimates based on models

Preferred temperature (Ref. 123201): 10.4 - 22.6, mean 14.8 °C (based on 300 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00309 - 0.00776), b=3.02 (2.89 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Nível Trófico (Ref. 69278):  3.6   ±0.0 se; based on diet studies.
Resiliência (Ref. 120179):  Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Assuming fecundity<100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (54 of 100).
Categoria de preço (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 43 [7, 197] mg/100g; Iron = 0.911 [0.243, 2.649] mg/100g; Protein = 17.3 [14.6, 19.8] %; Omega3 = 0.522 [0.178, 1.883] g/100g; Selenium = 16.5 [4.9, 49.3] μg/100g; VitaminA = 16.8 [6.1, 46.1] μg/100g; Zinc = 0.769 [0.367, 1.401] mg/100g (wet weight);