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Zearaja chilensis  (Guichenot, 1848)

Yellownose skate
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Native range | All suitable habitat | Point map | Year 2100
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Zearaja chilensis   AquaMaps   Data sources: GBIF OBIS
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Image of Zearaja chilensis (Yellownose skate)
Zearaja chilensis
Picture by Johnny Labbe/Mauricio Ahumada

Argentina country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 8630.
National Checklist: Argentina
Country Information: httpss://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:

Classification / Names

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Raya hocicuda, Barn-door skate, Raya, ... more

Main reference

McEachran, J.D. and K.A. Dunn. 1998. (Ref. 27314)
 References | Biblio | Coordinator : McEachran, John | Collaborators

Size / Weight / Age

Max length : 210 cm TL male/unsexed; (Ref. 104541); common length : 85.0 cm TL male/unsexed; (Ref. 104541)

Length at first maturity
 Lm 103.5, range 97 - ? cm

Environment

Marine; demersal; depth range 28 - 500 m (Ref. 104541)

Climate / Range

Temperate; 4°C - 19°C (Ref. 104541), preferred ?; 18°S - 57°S, 75°W - 52°W

Distribution

Southeast Pacific and Southwest Atlantic: Uruguay (Ref. 58839) and Chile to the Patagonia-Falkland region. Records from Ecuador are questionable.
 Countries | FAO areas | Ecosystems | Occurrences | Introductions

Biology     Glossary (e.g. epibenthic)

Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Inhabits sandy and muddy bottoms at depths (Ref. 104541).

IUCN Red List Status (Ref. 115185)

  Vulnerable (VU) (A4bd)

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

E-book | Field guide | Identification keys | Length-frequency wizard | Life-history tool | Point map | Classification Tree

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

BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(Publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
 PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
 4.5   ±0.6 se; Based on diet studies.

Resilience (Ref. 69278)
 Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100)

Vulnerability (Ref. 59153)
 High to very high vulnerability (69 of 100)
Price category (Ref. 80766)
 Medium