Alligator Gar Facts about

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Alligator Gar Facts about

Alligator Gar Scientific Classification

KingdomAnimaliaPhylumChordataClassActinopterygiiOrderLepisosteiformesFamilyLepisosteidaeGenusAtractosteusScientific NameAtractosteus spatula

Alligator Gar Locations


Alligator Gar Facts

Main PreyFish, turtles, birds, and mammalsGroup Behavior

  • Solitary

Fun FactThe alligator gar has toxic eggs to protect against predatorsEstimated Population SizeUnknownBiggest ThreatOverhuntingMost Distinctive FeatureSharp teethOther Name(s)GarpikeGestation Period6-8 daysWater Type

  • Fresh

HabitatRivers, lakes, swamps, bayous, and estuariesPredatorsHumans and alligatorsDietCarnivoreTypeRay-finned fishCommon NameAlligator GarNumber Of Species1

Alligator Gar Physical Characteristics

Colour

  • Brown
  • Grey
  • Yellow
  • White
  • Green

Skin TypeScalesLifespanAbout 50 yearsWeightUp to 350lbsLengthUp to 3m (10ft)

Alligator Gar Images

4 Incredible Alligator Gar Facts!

  • The evolution of the gar as a group dates back more than 100 million years in the fossil record. Modern gars still retain many “ancient” characteristics, including the ability to breathe in both air and water.
  • The name “gar” is based on an Anglo-Saxon term that means spike or lance. (Anglo-Saxon was the language spoken before the development of modern English)
  • The gar’s body is heavily armored with scales.
  • Some Native Americans used to make arrowheads and axes from the scales and head of the alligator gar.

Alligator Gar Classification and Scientific Name

The scientific name of the giant alligator gar is Atractosteus spatula. The name spatula comes to us from a Latin word that roughly translates to “a flat piece.” The alligator gar is closely related to two other gar species within the genus of Atractosteus: the Cuban gar and the tropical gar. There are four other species of gar that occupy the closely related genus of Lepisosteus. Together these seven species represent all known types of gar within the family of Lepisosteidae.

Alligator Gar vs. Longnose Gar

The main difference is that the longnose gar has a smaller body (about 6.5 feet long) but a larger snout in relation to body size. It also has a much wider distribution across most of the Eastern United States.

Alligator Gar Appearance

The alligator gar is the giant heavyweight fish of its native environment. Measuring up to 10 feet and 350 pounds, it is the largest of all the gar species and one of the biggest freshwater fishes anywhere in North America. The world record for a catch was set at 327 pounds in 2011. This record fish was found at Mississippi’s Lake Chotard.

The name of this species is obviously based on its physical similarities to the alligator. Like its namesake, the alligator gar has a very long body and snout, ending in a row of sharp teeth. But unlike the gator, the gar has fins to help it swim underwater. The two pectoral fins are located right by the head, the pelvic fins are located halfway down the body, and the dorsal and anal fins are located right next to the tail. Except for some rare variants, most alligator gar tends to come in similar colors. Gray, green, and brown colors with dark spots dominate around the back. These colors then fade to yellow or white around the lower stomach.

The alligator gar (Atractosteus spatula) is a ray-finned euryhaline fish related to the bowfin in the infraclass Holostei.

Alligator Gar Distribution, Population, and Habitat

The alligator gar can be found in the lakes, rivers, estuaries, swamps, bayous, and reservoirs of the Southern United States and Eastern Mexico. Its range once extended as far north as Iowa and Nebraska, but after years of hunting, the alligator gar now mostly occupies the lower Mississippi River Valley and possibly as far south as Veracruz, Mexico. The gar’s bladder functions as a kind of lung that enables it to survive in water with low oxygen content. It also has the ability to tolerate a bit of salt water, but it never ventures out to the open sea.

The alligator gar is considered to be a species of least concern by the IUCN Red List. Common threats include pollution, habitat changes, and overhunting. The alligator gar was once hunted on a large scale for no other reason than the mistaken belief that it killed game fish and damaged fishing nets. As hunting has ceased, numbers have recovered a bit, but it has yet to fill all of its previous habitats.

Alligator Gar Predators and Prey

The alligator gar is one of the top predators in its natural freshwater environment. It is an ambush predator that lies in wait for prey and then attacks with its large jaws. The gar’s good vision and ability to sense chemicals seem to be the main means by which they detect prey in the water. They play a similar role as sharks in marine ecosystems by keeping prey populations within healthy numbers.

What does the alligator gar eat?

The alligator gar preys upon almost anything that will fit into its mouth, including smaller fishturtlesbirds, and even small mammals. Some of their favorite fish include buffalo fish, carp, and shad.

What eats the alligator gar?

A fully grown alligator gar has few predators in the wild except for humans and actual alligators. The juveniles are sometimes preyed upon by other fish as well.

Alligator Gar Reproduction and Lifespan

Scientists have yet to study the alligator gar’s reproductive behavior and development in great depth. From the little we do understand, we can say that the breeding season occurs between May and July. In Texas, at least, the female does not reproduce every year. Instead, she tends to reproduce when water overruns the banks and creates floodplains. This allows her to lay thousands of dark green or red eggs on the rocks and vegetation near the banks. Although they receive minimal parental care, the unborn gars have a very useful defense mechanism: their eggs are toxic to ingest.

After about six to eight days, the offspring hatch from the eggs, measuring only a small fraction of their full adult size. With their long, sinewy body, they almost resemble sticks. A disc on the snout lets them remain attached to rocks and vegetation, where they continue to grow rapidly by absorbing what’s left of the yolk sac. After the yolk is depleted, they must be ready to fend for themselves.

Since a typical lake can only support a few hundred alligator gar at most, many of the young are obviously expected to be lost to predation early on. These fish grow rapidly in its first year or two of life, though it takes about around 10 years for the alligator gar to reach sexual maturity. Some have a lifespan of more than 50 years in the wild. Females seem to live longer than males on average.

Alligator Gar in Fishing and Cooking

This fish is a very niche type of fish that only the most dedicated recreational fishers would try to catch. For those fishers who are up to the challenge, it represents a real test of preparation and ability. Based on a survey by Texas Parks and Wildlife Department, about 70% of respondents used a typical rod and reel as their primary means of catching the alligator gar. Most of the rest used the bow and arrow. Fishers also use passive gear such as juglines, limblines, and trotlines.

These fish have a white, firm flesh with a mild taste that resembles the flesh of many other sport fishes. Common methods of cooking include fried and barbecue alligator gar. But under no circumstances should the toxic eggs ever be eaten. They may cause temporary sickness.

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