Evolution of the garfish
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Evolution of the Garfish. 5 TH Period Noah Chavez Mark Montoya Stephan Rangel Marcos Luna. Zoology. Gar fish have long jaws and pointy teeth to eat prey they are long and can grow to be 6 feet they have huge hard scales and are very similar to the alligators. Gar Family; Black gar

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Evolution of the Garfish

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Evolution of the garfish

Evolution of the Garfish

5TH Period

Noah Chavez

Mark Montoya

Stephan Rangel

Marcos Luna


Zoology

Zoology

Gar fish have long jaws and pointy teeth to eat prey they are long and can grow to be 6 feet they have huge hard scales and are very similar to the alligators.

Gar Family;

Black gar

Alligator gar

Gator fish

Belone gar


Anatomist contribution

Anatomist Contribution

Gars are incredibly similar in the jaw and head area to alligators and crocodile

Gar fish skull

Alligator skull


Paleontologist contribution

Paleontologist Contribution

Present picture

Prehistoric picture

Back in the prehistoric days the Gar fish would grow up to 3 feet long and now the present day Gar fish grows to be 15.3 inches long


Molecular data dna

Molecular Data (DNA)

  • The chromosomes of long nose gar, Lepisosteus osseus, an extant representative of early radiation of actinopterygian fishes, were studied using conventional Giemsa-staining, Ag-staining, CMA3-fluorescence and fluorescence in-situ hybridization (FISH). The diploid chromosome number was 2n = 56 and the karyotype contained 11 pairs of metacentric, 6 pairs of submetacentric, 3 pairs of subtelocentric macrochromosomes and 16 microchromosomes. Nearly all macrochromosomes showed large CMA3-positive regions resembling the R-bands of higher vertebrates, indicating extensive distribution of GC-rich DNA along chromosomes.

  • Scientific Classification

  • Kingdom: Animalia

  • Phylum: Chordata

  • Class: Actinopterygii

  • Order: Lepisosteiformes

  • Family: Lepisosteidae

  • Genus: Atractosteus

  • Species: Atractosteus spatula

Classification of an alligator

Kingdom- AnimaliaPhylum-chordataClass-reptiliaOrder-CrocodiliaFamily-AlligatoridaeGenus- Alligator( Daudin, 1809)Species 2 American- Alligator mississippiensis and Chinese- Alligator sinensis


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