Antigua and Barbuda country information

Common names: [No common name]
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ac.html
National Fisheries Authority: http://caricom-fisheries.com/antigua-fisheries/
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Requin aiguille antillais, Cazón picudo antillano, Atlantic sharpnose shark, ... more

Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

इलाज़मौबरांकी (शारक और रेज़) (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); porosus: Latin for pored or full of holes, referring to enlarged hyomandibular pores on both sides of head. (See ETYFish).
More on author: Poey.

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

समुद्री; स्वच्छ जल, अलवण जल; खारा प्रवाल-भित्ति संयुक्त; गहराई सीमा ? - 500 m (Ref. 244), usually ? - 100 m (Ref. 244). Tropical; 28°N - 40°S, 88°W - 32°W (Ref. 55194)

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

Western Atlantic: Caribbean, including the Bahamas, south to Uruguay. The separation of this species from Rhizoprionodon terraenovae whether as a distinct species or a representative of a southern subspecies is still uncertain and pending until detailed studies are commenced.

Length at first maturity / आकार / वज़न / Age

Maturity: L_m 65.0, range 80 - ? cm
Max length : 113 cm TL पुल्लिंग / अलिंग; (Ref. 111958); common length : 75.0 cm TL पुल्लिंग / अलिंग; (Ref. 5217); अधिकतम प्रकाशित वज़न: 7.5 kg (Ref. 111958)

Common in bays and estuaries often entering rivers. Also found in offshore waters at depths of about 500 m, generally less than 100 m. Feeds mainly on small bony fishes, including wrasses, but also marine snails, squid and shrimp. Viviparous, with 2 to 6 young in a litter. Size at birth about 31 to 39 cm. Utilized salted or frozen for human consumption and processed into fish meal. Not dangerous (Ref. 9710).

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

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

Main reference Upload your references | संदर्भ | संयोजक : Compagno, Leonard J.V. | सहयोगीयो

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)

वेदनीय, आई यु सी ऐन लाल सूची देखें। (VU) (A2d); Date assessed: 21 June 2019

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

मात्स्यिकी: व्यापारिक

FAO(Publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

अधिक जानकारी

Trophic ecology
खाद्य पदार्थ
Diet compositions
Food consumptions
Food rations
परभक्षी

Ecology
पारिस्थितिकी
Home ranges

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

Life cycle
पुनरुत्पत्ति
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
लार्वा
लारवल गतिकी

Distribution
देश
ऐफ ऐ ओ क्षेत्र
Ecosystems
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Anatomy
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दिमाग
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
मत्स्य आवाज़े
Diseases / Parasites
Toxicities (LC50s)

Genetics
आनुवंशिकी
Electrophoreses
Heritabilities

Human related
Aquaculture systems
जलीयकृषि रूपरेखाऐ
खींच
Ciguatera cases
Stamps, coins, misc.

Outreach
सहयोगीयो

Taxonomy
आम नाम
उपशब्द
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तस्वीरे

References
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साधन

Special reports

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Summary page | Point data | आम नाम | Photos

इंटरनेट स्रोत

Estimates based on models

Preferred temperature (Ref. 115969): 17.5 - 27.1, mean 24.2 (based on 80 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00214 (0.00141 - 0.00323), b=3.09 (2.97 - 3.21), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.0 ±0.2 se; based on diet studies.

लौटाव (Ref. 120179): बहुत नीचे, न्यूनतम जनसंख्या दुगनी समय अवलागत 14 महीने। (Fec=2; K=0.3-0.42).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (51 of 100).

Price category (Ref. 80766): Medium.

Rhizoprionodon porosus (Poey, 1861)