Papua New Guinea country information

Common names: Sicklefin lemon shark
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from Binaturi R. mouth to the Trobriands (Ref. 6993). Also Ref. 9997.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/pp.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/PNG/png.htm
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Requin limon faucille, Tiburón segador, 犁鳍柠檬鲨, ... more

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes(جنس, الانواع) | ITIS | CoL | WoRMS | Cloffa

أشلاق (القروش و الشفانين) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Negaprion: negatus (L.), to deny; prion (Gr.), saw, referring to lack of saw-like serrations on teeth cusps. (See ETYFish); acutidens: acutus (L.), sharp or pointed; dens, from dentis (L.), tooth, probably referring to pyramid-like teeth (“dünnen spitzen Pyramiden”). (See ETYFish).
More on author: Rüppell.

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

بحري; مياه مخلوطة مرتبطة بالشعاب; نطاق العمق 0 - 92 m (Ref. 244). Tropical; 30°N - 32°S, 32°E - 140°W (Ref. 244)

التوزيع دول | مناطق الفاو | النظام البيئي | الظهور | Point map | مقدمة | Faunafri

Indo-Pacific: Red Sea and South Africa (including Mauritius, Seychelles, Madagascar) to Philippines, north to Viet Nam, south to Australia. Also from Palau, Marshall Islands, and Tahiti. Recorded from Taiwan (Ref. 4868).

Length at first maturity / الحجم / وزن / العمر

Maturity: L_m 230.0, range 220 - 240 cm
Max length : 380 cm TL ذكر/ مختلط الجنس; (Ref. 5213)

وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0. A large, stocky, yellowish shark with a broad, blunt snout, narrow, smooth-cusped teeth in both jaws, and equal-sized dorsal fins (Ref. 5578). Yellowish brown above, paler below (Ref. 9997). With two nearly equally large dorsal fins (Ref. 37816).

Found on continental and insular shelves and terraces (Ref. 244). Common on coral reefs (Ref. 5578) and in shallow, sandy lagoons and turbid, mangrove swamps (Ref. 6871). Feeds on smaller sharks, stingrays and on benthic bony fishes (Ref. 5578). Viviparous (Ref. 50449). Dangerous if provoked (Ref. 244). 1 to 11 of 45 cm young are born per litter (Ref. 1602). Meat is utilized fresh and dried salted for human consumption, fins for shark-fin soup base, and liver oil for vitamins (Ref. 244).

Life cycle and mating behavior Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae

Viviparous, placental (Ref. 50449), 1-14 per litter (Ref. 6871). Gestation period 10-11 months (Ref. 5578; Ref.58048). Size at birth about 50 to 70 cm TL (Ref. 9997); 45-80 cm TL (Ref.58048). Distinct pairing with embrace (Ref. 205). Mating and pupping take place during late spring and early summer (Ref. 37816).

المرجع الرئيسي Upload your references | مراجع | المنظم : Compagno, Leonard J.V. | المتعاونين

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)

في خطر (EN) (A2bd); Date assessed: 16 July 2020

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

Traumatogenic (Ref. 244)

استخدامات بشرية

مصائد: تجاري

FAO(Publication : search) | FishSource |

مزيد من المعلومات

Trophic ecology
عناصر الغذاء
Diet compositions
Food consumptions
Food rations
مفتريسات

Ecology
البيئة
Home ranges

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
الطول- الترددات
Mass conversions
Recruitments
Abundances

Life cycle
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Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larvae
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Distribution
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Anatomy
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Physiology
Body compositions
Nutrients
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نوع السباحة
Swimming speeds
Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)

Genetics
جيني
Electrophoreses
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Human related
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ملامح تربية الأحياء المائية
سلالات
Ciguatera cases
Stamps, coins, misc.

Outreach
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الأسماء الشائعة
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References
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أدوات

تقارير خاصة

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مصادر علي الأنترنت

Estimates based on models

Preferred temperature (Ref. 115969): 24.7 - 29.1, mean 28.1 (based on 2034 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.7500 [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).

مستوى غذائي (Ref. 69278): 4.1 ±0.6 se; based on diet studies.

المرونه (Ref. 120179): منخفظ جدا, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أكثر من 14 سنة (Fec=1).

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

فئة السعر (Ref. 80766): Medium.

Negaprion acutidens (Rüppell, 1837)