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Order Elopiformes

Discover the unique features of Ladyfish and Tarpon, two fascinating elopiformes. Ladyfish, a coastal fish with an elongated body and a distinctive gular plate, while Tarpon, a larger species found in Atlantic waters, known for its silvery scales and spectacular jumping abilities. Learn about their habitats, feeding habits, and fun facts in this engaging comparison.

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Order Elopiformes

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  1. Order Elopiformes Ray-finned fishes

  2. Ladyfish • Family Elopidae

  3. Basic Info • Coastal fish that live in tropic and subtropic regions • Eat crustaceans (shrimp) • Max length of 3.3 ft and max weight of 22 lbs • Have an enlongated body that is somewhat compressed

  4. Distinguishing characteristic is a bony plate in the throat called a gular plate • Have leptocephallic larvae which are highly compressed, ribbon-like, and transparent • Larvae shrink after their initial growth then metamorphise into the adult form

  5. Fun Facts • They are fished but often used as bait or ground into fish meal because they are too bony to be considered a good food fish • Name comes from Greek ellops which is a kind of serpent

  6. Tarpon • Family Megalopidae

  7. Basic Info • Can live in marine or freshwater, generally in the Atlantic ocean • 4-8 ft long, 60-280 lbs • Bluish/greenish backs with shiny, silver scales • Eat small fish and crustaceans (shrimps, crabs) • They hunt nocturnally • Predators are sharks and porpoises in the ocean

  8. Distinguishing characteristic is gular plate but the tarpon has an enlongated dorsal ray unlike the ladyfish • Lay eggs and have leptocephallic larvae • Breed offshore in warm, isolated areas • Has a swim bladder which allows it breath atmospheric oxygen and live in waters of varying salinity and pH

  9. Fun Facts • Very popular sport fish because they jump out of the water when hooked and provide a great challenge to anglers • Generally released after they are caught because they are very bony

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