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Rhizoprionodon oligolinx Springer, 1964

Grey sharpnose shark
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Native range | All suitable habitat | Point map | Year 2050
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Rhizoprionodon oligolinx   AquaMaps   Data sources: GBIF OBIS
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Image of Rhizoprionodon oligolinx (Grey sharpnose shark)
Rhizoprionodon oligolinx
Picture by Osmany, H.B.


Japan country information

Common names: Ankou zame, Ankôzame
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 9997.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
National Database:

Common names from other countries

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: Rhizoprionodon: rhiza (Gr.), root; prion (Gr.) saw; odon (Gr.), tooth, referring to teeth with serrated (saw-like) bases, or roots [replacement name for Rhizoprion Ogilby 1915, preoccupied by Rhizoprion Jourdan 1861 in mammals]. (See ETYFish);  oligolinx: Per Springer, Greek for “short furrow,” referring to short upper labial furrow. (See ETYFish).

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

সামুদ্রিক রীফ সংশ্লিষ্ট; গভীরতার পরিসীমা 0 - 36 m (Ref. 9997).   Tropical; 30°N - 18°S

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

Indo-West Pacific: Persian Gulf east to Thailand, Indonesia, China, and Japan. Recorded from the Gulf of Carpentaria (Ref. 6871) and Palau (Ref. 244). This species is very close to Rhizoprionodon taylori, but is geographically separated from it (Ref. 244).

Length at first maturity / আকৃতি / ওজন / Age

Maturity: Lm 43.2, range 32 - 65 cm
Max length : 84.5 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 121648); 77.5 cm TL (female); সবের্াচ্চ প্রকাশিত ওজন : 2.8 kg (Ref. 121648)

Short description সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স

পৃষ্ঠীয় কাঁটা (মোট ) : 0; পায়ূ কাঁটা : 0. Position of anal fin origin well in front of second dorsal fin origin, long labial furrows, and short pectoral fins (Ref. 37816).

জীববিজ্ঞান     শব্দকোষ (উদাহরণ স্বরূপ epibenthic)

A little known inshore and offshore shark found on continental and insular shelves (Ref. 244). Found to depths of at least 36 m (Ref. 9997). Probably feeds on fishes, cephalopods, and crustaceans (Ref. 6871). Viviparous (Ref. 50449). Commonly caught by inshore demersal gillnet fisheries, especially off Java (Ref.58048). Utilized fresh and probably dried salted for human consumption (Ref. 244). Also used for fishmeal (Ref. 9997) and fins (Ref.58048). Minimum depth from Ref. 58018.

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

Viviparous, placental (Ref. 50449). With 3 to 5 young per litter (Ref. 244, 37816). Size at birth 20-30 cm TL (Ref. 9997, 37816). 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)

  Near Threatened (NT) (A2d); Date assessed: 23 March 2021

CITES (Ref. 128078)


CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

মৎস্য: বাণিজ্যিক
FAO(Publication : search) | FishSource |

আরো তথ্য

Trophic ecology
খাদ্যসামগ্রী
Diet compositions
Food consumptions
Food rations
শিকারী প্রাণী সমূহ
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
প্রজনন
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
শুককীট
শুককীটের সত্রিুয়তা
Anatomy
Gill areas
মস্তিস্ক সমূহ
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
-এর সাতাঁরের ধরণ
Swimming speeds
Visual pigment(s)
মৎস্য শব্দ
Diseases / Parasites
Toxicities (LC50s)
Genetics
বংশানুগতিবিদ্যা
Electrophoreses
Heritabilities
Human related
Aquaculture systems
একুয়াকালচার নকশাসমূহ
বংশ
Ciguatera cases
Stamps, coins, misc.

হাতিয়ার

Special reports

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ইন্টারনেট সুত্র

Estimates based on models

Preferred temperature (Ref. 115969): 26.2 - 29.3, mean 28.6 (based on 2593 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00264 - 0.00415), b=3.08 (3.04 - 3.12), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
ট্রফিক পর্যায়ে (Ref. 69278):  4.1   ±0.55 se; based on food items.
স্থিতিস্থাপক (Ref. 120179):  অত্যন্ত কম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৪ বৎসর (Fec=2).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (45 of 100).
Price category (Ref. 80766):   Medium.