Squatina argentina, Argentine angelshark : fisheries

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Squatina argentina (Marini, 1930)

Argentine angelshark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Squatina argentina   AquaMaps   Data sources: GBIF OBIS
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Image of Squatina argentina (Argentine angelshark)
Squatina argentina
Juvenile picture by Gadig, O.B.F.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Squatiniformes (Angel sharks) > Squatinidae (Angel sharks)
Etymology: Squatina: Latin for skate, which angel sharks superficially resemble, presumably tautonymous with Squalus squatina Linnaeus 1758 (no species mentioned). (See ETYFish);  argentina: Presumably named for Argentina, described from off the coast of Buenos Aires (the province, not the city). (See ETYFish).

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

seewasser demersal; tiefenbereich 100 - 400 m (Ref. 57911). Subtropical; 19°S - 53°S, 68°W - 38°W (Ref. 54901)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Southwest Atlantic: Brazil to southern Uruguay.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - 120 cm
Max length : 170 cm TL Männchen/unbestimmt; (Ref. 247); common length : 100.0 cm TL Männchen/unbestimmt; (Ref. 6077)

Kurzbeschreibung Morphologie | Morphometrie

This species is distinguished from its congeners by having a darker background color, ranging from dark-brown to reddish-brown (vs. light-brown to dark-brown in S. guggenheim and S. occulta), with higher number of tooth rows with 24 vertical tooth rows in both upper and lower jaws, tooth formula 12-12/12-12; (vs. 9-9 to 10-10/9-9 to 11-11 in S. occulta, and 9-9 to 11-11/9-9 to 11-11 in S. guggenheim), and with anterior half of pectoral fin margin convex (vs. anterior margin of pectoral fin straight); differs from S. guggenheim and S. occulta with the interspiracular surface covered by small and homogeneous dorsal denticles, without enlarged denticles (vs. a pair of enlarged, conical and morphologically distinct dermal denticles between spiracles in S. occulta and S. guggenheim); differs from S. occulta by lacking blackish irregular small spots surrounding white spots on dorsal surface (i.e. absence of ocelli-like markings); differs further from S. guggenheim by having the dorsal midline denticles on trunk morphologically similar to other trunk denticles and barely organized in a row (vs. dorsal midline row of enlarged denticles morphologically distinct from other trunk denticles), the denticles close to origin of pectoral fin morphologically homogeneous, similar to other pectoral denticles (vs. presence of a pair, or more, enlarged and morphologically distinct denticles from other pectoral denticles, in S. guggenheim) (Ref. 95520).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Found on the continental shelf and slope. Ovoviviparous (Ref. 50449).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Both ovaries are functional (Ref. 57911).

Hauptreferenz Upload your references | Referenzen | Koordinator : Compagno, Leonard J.V. | Partner

Vaz, D.F.B. and M.R. De Carvalho, 2013. Morphological and taxonomic revision of species of Squatina from the Southwestern Atlantic Ocean (Chondrichthyes: Squatiniformes: Squatinidae). Zootaxa 3695(1):001-081. (Ref. 95520)

IUCN Rote Liste Status (Ref. 130435)

  vom Aussterben bedroht (CR) (A2bd); Date assessed: 05 August 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Traumatogenic





Nutzung durch Menschen

Fischereien: kleinfischerei
FAO - Fischereien: landings, Artbeschreibung; Publication: search | FishSource | Sea Around Us

Mehr Information

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Fischereien: landings, Artbeschreibung; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Nationale Datenbanken | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Gehe zu, Suchen | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 4 - 16.3, mean 6.1 °C (based on 18 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00293 - 0.01558), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.1   ±0.6 se; based on diet studies.
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Fec 7-11).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (71 of 100).
Preiskategorie (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 8.08 [1.10, 152.92] mg/100g; Iron = 0.689 [0.065, 8.563] mg/100g; Protein = 18.4 [16.3, 20.6] %; Omega3 = 0.288 [0.108, 0.796] g/100g; Selenium = 34.1 [6.7, 171.6] μg/100g; VitaminA = 5.73 [0.45, 68.92] μg/100g; Zinc = 0.355 [0.021, 4.093] mg/100g (wet weight);