Animalia > Chordata > Elasmobranchii > Carcharhiniformes > Carcharhinidae > Carcharhinus > Carcharhinus falciformis

Carcharhinus falciformis (Silky shark; Silky whaler; Silk shark; Sickle-shaped shark; Sickle silk shark; Sickle shark; Shark; Ridgeback shark; Reef shark; Olive shark; Grey whaler shark; Gray reef shark; Blackspot shark)

Synonyms: Aprionodon sitankaiensis; Carcharhinus atrodorsus; Carcharhinus falciformes; Carcharhinus floridanus; Carcharhinus menisorrah; Carcharhinus menissorrah; Carcharias falciformis; Carcharias menisorrah; Carcharins menisorrah; Carcharius menisorrah; Eulamia malpeloensis; Eulamia menisorrah; Gymnorhinus pharaonis
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Wikipedia Abstract

The blackspot shark (Carcharhinus sealei) is a small species of requiem shark in the family Carcharhinidae found in the tropical Indo-West Pacific Ocean between latitudes 24°N and 30°S, from the surface to a depth around 40 m (130 ft). Its length is a little under one meter (yard) and it is not considered to be dangerous to humans. It feeds mainly on fish, crustaceans, and squid. This shark is also caught in small-scale fisheries for human consumption.
View Wikipedia Record: Carcharhinus falciformis


Adult Weight [1]  419.54 lbs (190.30 kg)
Female Maturity [1]  8 years
Male Maturity [1]  7 years 3 months
Litter Size [1]  7
Maximum Longevity [1]  23 years
Migration [2]  Oceanodromous

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Buenavista Wetland Reserve 778949 Cuba    
Dzilam de Bravo Wetland Reserve 149170 Yucatan, Mexico    
Florida Keys National Marine Sanctuary IV 2387149 Florida, United States

Prey / Diet

Brevoortia tyrannus (Shad)[3]
Decapterus macrosoma (blue mackerel scad)[4]
Elagatis bipinnulata (Hawaiian salmon)[4]
Encrasicholina punctifer (Oceanic anchovy)[5]
Exocoetus volitans (Blue flying fish)[4]
Illex illecebrosus (northern shortfin squid)[3]
Katsuwonus pelamis (White bonito)[4]
Kyphosus cinerascens (bluefish)[4]
Netuma proxima (Sea catfish)[4]
Pleuroncodes planipes (pelagic red crab)[6]
Scomberomorus guttatus (Spotted tangingi)[4]
Sphyraena barracuda (Striped seapike)[4]
Thunnus albacares (Yellowfin-tuna)[4]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Calonectris diomedea (Scopoli's Shearwater)1
Canthidermis maculata (Ocean triggerfish)1
Carangoides chrysophrys (Long-nose trevally)1
Carangoides coeruleopinnatus (Coastal trevally)1
Carangoides plagiotaenia (Barcheek kingfish)1
Caranx caballus (Green jack)1
Caranx ignobilis (Yellow-fin trevally)1
Caranx sexfasciatus (Banded cavalla)1
Carcharhinus plumbeus (Thickskin shark)1
Carcharhinus signatus (Shark)1
Caretta caretta (Loggerhead)1
Caulolatilus princeps (Bighead tilefish)1
Centroscyllium fabricii (Black dogfish)1
Coryphaena hippurus (Mahi-mahi)1
Decapterus macarellus (Scad)1
Elagatis bipinnulata (Hawaiian salmon)1
Gadus morhua (rock cod)1
Globicephala melas (Long-finned Pilot Whale)1
Gnathanodon speciosus (yellow jack)1
Grammatorcynus bicarinatus (largescaled tunny)1
Hippoglossus stenolepis (Pacific halibut)1
Istiophorus platypterus (Atlantic sailfish)1
Isurus oxyrinchus (Short-finned mako)1
Kajikia audax (Stripey)1
Kyphosus cinerascens (bluefish)1
Kyphosus vaigiensis (lowfinned drummer)1
Lamna nasus (Porbeagle shark)1
Larus argentatus (Herring Gull)1
Larus marinus (Great Black-backed Gull)1
Morone saxatilis (Striper bass)1
Phoca vitulina (Harbor Seal)1
Pollachius virens (Sillock)1
Polyprion americanus (Wreck-fish)1
Pomatomus saltatrix (Tailor run)1
Prionace glauca (Tribon blou)1
Prionotus stephanophrys (Blackfin gurnard)1
Puffinus gravis (Greater Shearwater)1
Puffinus griseus (Sooty Shearwater)1
Reinhardtius hippoglossoides (Turbot)1
Saurida tumbil (Greater lizardfish)1
Thunnus albacares (Yellowfin-tuna)1
Thunnus thynnus (horse mackerel)1
Urophycis chuss (Squirrel hake)1
Xiphias gladius (Swordfish)1
Zalophus californianus (California Sealion)1


Carcharhinus plumbeus (Thickskin shark)[4]


Parasitized by 
Dasyrhynchus basipunctatus[4]
Dasyrhynchus varioucinatus[4]
Dasyrhynchus variouncinatus <Unverified Name>[7]
Paronatrema vaginicola[7]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Adventure Aquarium


Agulhas Current; Algeria; American Samoa; Angola; Anguilla; Antigua and Barbuda; Arabian Sea; Aruba; Atlantic Ocean; Atlantic, Eastern Central; Atlantic, Northwest; Atlantic, Southeast; Atlantic, Southwest; Atlantic, Western Central; Australia; Bahamas; Barbados; Belize; Benguela Current; Benin; Bermuda; Brazil; Cameroon; Canary Current; Canary Islands; Cape Verde; Caribbean Sea; Cayman Islands; Chile; China; Circumtropical. Western Atlantic: Massachusetts, USA to southern Brazil, including the Gulf of Mexico and the Caribbean Sea to Uruguay (Ref. 58839). Eastern Atlantic: Spain, Madeira to northern Angola; St. Paul's Rocks (Ref. 13121); Cape Verde (Ref. 3; Circumtropical. Western Atlantic: Massachusetts, USA to southern Brazil, including the Gulf of Mexico and the Caribbean Sea to Uruguay (Ref. 58839). Eastern Atlantic: Spain, Madeira to northern Angola; St. Paul's Rocks (Ref. 13121); Cape Verde (Ref. 34514). Indo-Pacific: scattered records from the Red Sea and Natal, South Africa (Ref. 5578) to China, New Zealand, and the Caroline, Hawaiian, Phoenix and Line islands. Eastern Pacific: southern Baja California, Mexico to northern Chile. Highly migratory species, Annex I of the 1982 Convention on the Law of the Sea (Ref. 26139).; Clipperton Island; Cocos I. Costa Rica; Colombia; Comoros; Congo, Dem. Rep. of the; Congo, Republic of; Cook Islands; Coral Sea and GBR; Costa Rica; Cuba; Curaçao Island; Côte d'Ivoire; Djibouti; Dominica; Dominican Republic; East Brazil Shelf; East Central Australian Shelf; East China Sea; Ecuador; Egypt; El Salvador; Equatorial Guinea; Eritrea; French Guiana; French Polynesia; Gabon; Galapagos Islands; Gambia; Ghana; Great Barrier Reef; Grenada; Guadeloupe; Guam; Guatemala; Guinea; Guinea Current; Guinea-Bissau; Gulf of Aden; Gulf of Mexico; Gulf of Oman; Gulf of Thailand; Guyana; Haiti; Hawaii (USA); Honduras; Hong Kong; Humboldt Current; India; Indian Ocean; Indian Ocean, Eastern; Indian Ocean, Western; Indonesia; Indonesian Sea; Insular Pacific-Hawaiian; Israel; Jamaica; Japan; Jordan; Kimbe Bay; Kiribati; Kuroshio Current; Liberia; Macau; Madagascar; Madeira Islands; Malaysia; Maldives; Marshall Islands; Martinique; Mauritius; Mediterranean Sea; Mediterranean and Black Sea; Mexico; Micronesia,Fed.States of; Montserrat; Mozambique; Netherlands Antilles; New Caledonia; New Zealand; New Zealand Shelf; Nicaragua; Nigeria; North Australian Shelf; North Brazil Shelf; North Marianas; Northeast U.S. Continental Shelf; Oman; Pacific Central-American Coastal; Pacific Ocean; Pacific, Eastern Central; Pacific, Northwest; Pacific, Southeast; Pacific, Southwest; Pacific, Western Central; Palau; Panama; Papua New Guinea; Peng-hu Island; Persian Gulf; Peru; Peru-Galapagos Waters; Philippines; Polynesian Waters; Puerto Rico; Red Sea; Revillagigedo; Saint Kitts and Nevis; Saint Lucia; Saint Paul's Rocks; Saint Vincent & the Grenadines; Samar Sea; Samoa; San Miguel Bay; Sao Tomé and Principe; Saudi Arabia; Senegal; Seychelles; Sierra Leone; Somalia; South Africa; South Brazil Shelf; South China Sea; Southeast U.S. Continental Shelf; Southwest Australian Shelf; Spain; Sri Lanka; Sudan; Sulu-Celebes Sea; Suriname; Taiwan; Tanzania, United Rep. of; Tasman Sea; Thailand; Togo; Tonga; Trinidad and Tobago; Tunisia; Turks and Caicos Is.; US Virgin Islands; USA (contiguous states); Uruguay; Venezuela; Viet Nam; Virgin Islands (UK); West Central Australian Shelf; Yellow Sea; Yemen;



Attributes / relations provided by
1de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
2Riede, Klaus (2004) Global Register of Migratory Species - from Global to Regional Scales. Final Report of the R&D-Projekt 808 05 081. 330 pages + CD-ROM
3Food of Northwest Atlantic Fishes and Two Common Species of Squid, Ray E. Bowman, Charles E. Stillwell, William L. Michaels, and Marvin D. Grosslein, NOAA Technical Memorandum NMFS-NE-155 (2000)
4Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
5Predation of Fishes on Open-ocean Species of Sea-skaters (Halobates spp.), Tetsushi Senta, Motofumi Kimura and Toshikazu Kanbara, Japan J. Ichthyol. 40(2): 193-198, 1993
6Trophic Level and Isotopic Composition of δ13C and δ15N of Pacific Angel Shark, Squatina californica (Ayers, 1859), in the Southern Gulf of California, Mexico, O. Escobar-Sánchez, F. Galván-Magaña and L.A. Abitia-Cárdenas, Journal of Fisheries and Aquatic Science 6 (2): 141-150, 2011
7Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access