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Atractosteus spatula (Lacepede, 1803)
ALLIGATOR GAR
Life   Vertebrata   Fish   Lepisosteidae   Atractosteus


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Atractosteus&speciesname=spatula ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Atractosteus&speciesname=spatula
http://192.134.151.83/Summary/speciesSummary.php?genusname=Atractosteus&speciesname=spatula ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Atractosteus&speciesname=spatula
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Atractosteus&speciesname=spatula ---> https://fishbase.mnhn.fr/summary/Atractosteus-spatula.html
Atractosteus spatula, Alligator gar : fisheries, gamefish, aquarium
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Atractosteus spatula ( Lacepède , 1803 )

Alligator gar Upload your photos  and  videos
Pictures | Videos | Stamps, Coins Misc. | Google image Image of Atractosteus spatula (Alligator gar) Atractosteus spatula
Picture by Ramani Shirantha

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Holostei (gars and bowfins) > Lepisosteiformes (Gars) > Lepisosteidae (Gars)
Etymology: Atractosteus: Greek, atraktos, arrow + Greek, osteon = bone (Ref. 45335 ) ;   spatula: Atractosteus meaning spindle bone, and spatula in reference to the broad, elongated snout (Ref. 79012 ) .
More on author: Lacepède .

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

Freshwater; brackish; demersal; depth range 0 - ? m (Ref. 55223 ). Subtropical; 44°N - 20°N, 101°W - 82°W (Ref. 55223 )

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

North America: ranges from Mississippi River basin from southwestern Ohio and southern Illinois in USA south to Gulf of Mexico; Gulf of Mexico Coastal Plain from Enconfina River in Florida, USA to Veracruz, Mexico.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 305 cm OT male/unsexed; (Ref. 3221 ); common length : 200 cm TL male/unsexed; (Ref. 3728 ); max. published weight: 137.0 kg (Ref. 58490 )

Short description Morphology | Morphometrics

Large size and broad, short snout. Light dorsal stripe. Dark olivaceous brown above and white to yellowish beneath. Dark brown blotches on all fins (Ref. 37032 ).

Biology     Glossary (e.g. epibenthic)

Facultative air-breathing (Ref. 126274 ); Adults inhabit sluggish pools and backwaters of large rivers, swamps, bayous, and lakes. Rarely enter brackish and marine waters (Ref. 5723 ). Feed on blue crabs, turtles, waterfowl or other birds and small mammals (Ref. 10294 ). Giant of the gars (Ref. 5723 ). Marketed fresh (Ref. 37032 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Wiley, Ed | Collaborators

Etnier, D.A. and W.C. Starnes , 1993. The fishes of Tennessee. The University of Tennessee Press, Knoxville, Tennessee, USA. (pls. check date). (Ref. 10294 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 14 November 2018

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial; gamefish: yes; aquarium: public aquariums FAO - Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
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Morphometrics
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Otoliths
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Tools

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Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.6406   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00302 (0.00121 - 0.00751), b=3.18 (2.96 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  4.0   ±0.67 se; based on food items. Resilience (Ref. 120179 ):  Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Very high vulnerability (90 of 100). Price category (Ref. 80766 ):   Unknown .

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Updated: 2024-05-24 05:27:34 gmt
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