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Gurgesiella dorsalifera McEachran & Compagno, 1980

Onefin skate
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Native range | All suitable habitat | Point map | Year 2050
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Gurgesiella dorsalifera   AquaMaps   Data sources: GBIF OBIS
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Image of Gurgesiella dorsalifera (Onefin skate)
Gurgesiella dorsalifera
Picture by Fischer, L.G.

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (sharks and rays) > Rajiformes (Skates and rays) > Gurgesiellidae (Pygmy skates)
Etymology: Gurgesiella: Latin, gurges = abyss, whirlpool (Ref. 45335).

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

Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 470 - 800 m (Ref. 57911). Deep-water; 20°S - 40°S, 60°W - 40°W (Ref. 57911)

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Southwest Atlantic: Brazilian coast, from Rio de Janeiro to Rio Grande do Sul.

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 53.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 57911); common length : 19.0 cm WD αρσενικό/απροσδιόριστο; (Ref. )

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Holotype taken from a depth of 800 m (Ref. 26282). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Feeds on fishes and crustaceans (Ref. 57911). Max. width (Teodoro Vaske Jr., pers. comm., 2002).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

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

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

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)

  Ευάλωτο, βλέπε Κόκκινη Λίστα (VU) (A2d); Date assessed: 01 July 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Περισσότερες πληροφορίες

Trophic ecology
Τροφικά αντικείμενα
Diet compositions
Food consumptions
Food rations
Θηρευτές
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Αναπαραγωγή
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Προνύμφες
Δυναμική προνυμφών
Distribution
Χώρες
Περιοχές FAO
Οικοσυστήματα
Παρουσίες
Εισαγωγές
BRUVS - Videos
Anatomy
Gill areas
Εγκέφαλοι
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Κολυμβητικός τύπος
Swimming speeds
Visual pigment(s)
Ήχοι ψαριών
Diseases / Parasites
Toxicities (LC50s)
Genetics
Γενετική
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Προφίλ υδατοκαλλιεργειών
Στελέχοι
Ciguatera cases
Stamps, coins, misc.
Taxonomy
Κοινά ονόματα
Συνώνυμα
Μορφολογία
Μορφομετρία
Φωτογραφίες
References
Αναφορές

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Διαδικτυακές πηγές

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Γένος, Είδη | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Δέντρο Ζωής | Wikipedia: Go, αναζήτηση | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 4.9 - 10.1, mean 6.9 °C (based on 13 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00225 - 0.01943), b=2.95 (2.71 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  4.0   ±0.66 se; based on food items.
Ελαστικότητα (Ref. 120179):  Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (41 of 100).