Philippines country information

Common names: [No common name]
Occurrence: questionable
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Outside distributional range (Ref. 125614). Reported as ?Carcharinus gangeticus, recorded in Lake Naujan, Mindoro (Ref. 5517); as ?Carcharias gangeticus; records from Manila Bay, Cebu Agusan River & Saug River (Davao), Jolo Is & Sitankai (Sulu), Lake Naujan (Mindoro) (Ref. 280). Nominal records of Glyphis gangeticus from the Philippines cannot be confirmed; these may be based in whole or in part on Carcharhinus leucas. In the Western Pacific, three other Glyphis species are known and maybe wider-ranging (Ref. 47737). Also in Ref. 47930.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Ebert, D.A., S. Fowler and M. Dando, 2021
National Database:

Common names from other countries

Requin du Ganges, Tiburón del Ganges, قِرش الكانج, ... more

Classification / Names প্রচলিত নাম সমূহ | প্রতিনাম সমূহ | Catalog of Fishes(গণ , প্রজাতি ) | ITIS | CoL | WoRMS | Cloffa

ইলাসমোব্রাঙ্কি (হাঙ্গর এবং রে) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Glyphis: Tautonymous with Carcharias glyphis Müller & Henle 1839. (See ETYFish); gangeticus: -icus (Gr.) belonging to: Ganges River, India, where Müller and Henle mistakenly thought it occurred. (See ETYFish).
More on authors: Müller & Henle.

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

সামুদ্রিক; স্বাদু পানি; ঈষৎ লোনা তলদেশ বিহারী; এ্যামফিড্রমাস (Ref. 51243). Tropical; 30°N - 8°N, 65°E - 143°E

বিতরণ দেশ সমূহ | এফ এ ও এলাকাসমূহ | বাস্তুতন্ত্র | দৃষ্টিগোচর | Point map | প্রচলন | Faunafri

Indo-West Pacific: north Indian Ocean, Indus River outside Karachi, Pakistan to Bangladesh, Myanmar, Thailand and Borneo.

আকৃতি / ওজন / Age

Maturity: L_m ? range ? - ? cm
Max length : 204 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 244)

Biology poorly known. But its minute eyes suggest that it may be adapted to turbid water with poor visibility, as in large tropical rivers and muddy estuaries. Newborn specimens are from 56 to 61 cm long. Viviparous (Ref. 50449). Its notoriety may have stemmed from its widespread confusion with C. leucas. But this species is potentially dangerous as well because of its size and large teeth, though its reputation as a man-eater is still unproven.

Life cycle and mating behavior Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট

Viviparous, placental (Ref. 50449). Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | সূত্র সংখ্যা | সমম্বয়কারী : Compagno, Leonard J.V. | সহযোগী

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCN Red List Status (Ref. 130435)

Critically Endangered (CR) (A2cd; C2a(i)); Date assessed: 22 January 2021

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Traumatogenic

Human uses

মৎস্য: মৎস্যচাষের অস্তিত্ব

FAO(Publication : search) | FishSource |

আরো তথ্য

Trophic ecology
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Diet compositions
Food consumptions
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Ecology
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Population dynamics
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Length-weight rel.
Length-length rel.
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Life cycle
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Egg(s)
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Distribution
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Genetics
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Electrophoreses
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Human related
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বংশ
Ciguatera cases
Stamps, coins, misc.

Outreach
সহযোগী

Taxonomy
প্রচলিত নাম সমূহ
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References
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ইন্টারনেট সুত্র

Estimates based on models

Preferred temperature (Ref. 115969): 24.6 - 28.1, mean 26.3 (based on 141 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00468 (0.00218 - 0.01003), b=3.09 (2.92 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

ট্রফিক পর্যায়ে (Ref. 69278): 4.2 ±0.7 se; based on size and trophs of closest relatives

স্থিতিস্থাপক (Ref. 120179): অত্যন্ত কম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৪ বৎসর (Assuming Fec<10).

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

Price category (Ref. 80766): Medium.

Glyphis gangeticus (Müller & Henle, 1839)