Glaucostegus granulatus  (Cuvier, 1829)

Granulated guitarfish
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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 Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rhinobatidae (Guitarfishes) > Rhinobatinae

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

Environment / Climate / Range Ecology

Marine; demersal; depth range ? - 119 m (Ref. 9909).   Subtropical; 26°N - 18°S, 43°E - 156°E

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 280 cm SL male/unsexed; (Ref. 30573)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

Indo-West Pacific: Persian Gulf to Thailand and Viet Nam. Possibly occurring in China, Indonesia (Sumatra, Borneo), Philippines, New Guinea, and Bougainville Islands.

Biology     Glossary (e.g. epibenthic)

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). Biology little known (Ref. 9909). Utilized where it occurs but details lacking (Ref. 9909).

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. John Hopkins University Press, Maryland.

IUCN Red List Status (Ref. 90363)

  Vulnerable (VU) (A2bd+3d+4d)

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  3.5   ±0.37 se; Based on food items.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Vulnerability (Ref. 59153):  Very high vulnerability (87 of 100) .
Price category (Ref. 80766):   Low.