Glaucostegus granulatus, Granulated guitarfish : fisheries

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Related species
- Species in
  Glaucostegus
- Species in
  Glaucostegidae
- - Classification -
- Glaucostegidae
- Rhinopristiformes
- Elasmobranchii
- Chordata
- Animalia

Glaucostegus granulatus (Cuvier, 1829)

Granulated guitarfish

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Native range

This map was computer-generated and has not yet been reviewed.

Glaucostegus granulatus AquaMaps Data sources: GBIF OBIS

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Image of Glaucostegus granulatus (Granulated guitarfish)

Glaucostegus granulatus
Picture by Randall, J.E.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Glaucostegidae (Giant guitarfishes)
More on author: Cuvier.

Issue
IN genus Rhinobatos in Eschmeyer (CofF ver. November 2013: Ref. 94485).

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

marina bottenlevande; djupintervall 0 - 119 m (Ref. 9909). Subtropical; 29°N - 18°S, 49°E - 156°E

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Northern Indian Ocean; Persian Gulf to Myanmar.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 280 cm SL hane/ej könsbestämd; (Ref. 30573)

Ranges from the intertidal to offshore continental shelves down to 119 m (Ref. 9909). A carnivorous fish that feeds on large shellfishes (Ref. 58784). Ovoviviparous (Ref. 50449). Produces 6-10 pups a litter (Ref.114953). Biology little known (Ref. 9909). Utilized where it occurs but details lacking (Ref. 9909).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).

Main reference Upload your references | referenser | Koordinator | Medarbetare

Ebert, D.A., S. Fowler and M. Dando, 2021. Sharks of the World: A complete guide. Princeton University Press, 607p. (Ref. 125614)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Critically Endangered (CR) (A2bd); Date assessed: 04 April 2022

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: kommersiell

FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Food items (preys)
Födosammansättning
Födointag
Food rations
Predatorer

Ecology
Ekologi

Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans

Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
Spawning aggregations
Ägg
Egg development
Larver
Larvdynamik

Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos

Anatomy
Gälyta
Brain
Otolith

Physiology
Body composition
Nutrients
Syreförbrukning
Swimming type
Simhastighet
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)

Genetics
Genetik
Heterozygosity
Ärftlighet

Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.

Outreach
Medarbetare

Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
Bilder

References
referenser

Verktyg

Special reports

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

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Summary page | Point data | Populärnamn | Photos

Internet-källor

Estimates based on models

Preferred temperature (Ref. 123201): 25.2 - 29.1, mean 28.1 °C (based on 1678 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00234 (0.00159 - 0.00347), b=3.02 (2.91 - 3.13), in cm total length, based on LWR estimates for this species (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.5 ±0.37 se; based on food items.

Resiliens (Ref. 120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec assumed to be <100).

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

Price category (Ref. 80766): Low.

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