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

Elasmobranchii (Haie und Rochen) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Glaucostegidae (Giant guitarfishes)
Etymology:

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

seewasser benthopelagisch; tiefenbereich ? - 60 m (Ref. 114953). Tropical; 28°N - 10°S, 33°E - 120°E (Ref. 114953)

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Indo-West Pacific: Red Sea, India (including Sri Lanka) to Indonesia, north to Japan (Ref. 114953). Australian and old records from the Mediterranean Sea and Suriname need confirmation.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 300 cm TL Männchen/unbestimmt; (Ref. 58048)

Found inshore (Ref. 9909) and offshore (Ref. 58784). A carnivorous fish that feeds on large shellfishes (Ref. 58784). Ovoviviparous (Ref. 50449). Biology little known (Ref. 9909). Caught occasionally by demersal tangle net fisheries operating throughout the area. Utilized for its meat, find (both very high value), skin and cartilage (Ref.58048). Marketed fresh and probably dried-salted (Ref. 9909).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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. Johns Hopkins University Press, Maryland. (Ref. 35766)

IUCN Rote Liste Status (Ref. 130435)

vom Aussterben bedroht (CR) (A2bd); Date assessed: 03 December 2018

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerziell

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 24.8 - 29.1, mean 28.1 °C (based on 1958 cells).

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

Bayesian length-weight: a=0.00372 (0.00145 - 0.00950), b=3.09 (2.87 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.37 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Fec assumed to be <100).

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

Preiskategorie (Ref. 80766): Low.

Glaucostegus thouin (Anonymous [Lacepède], 1798)