Max sturgeon

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Max sturgeon

  1. 1. Shortnose Sturgeon By: Max
  2. 2. DietSmall mollusksInsect larvaeCrustaceansSludge wormsCrayfishClamsBecause they are primarily nocturnal they only eat atnight
  3. 3. Enemies/ Why are they Endangered? No natural enemies except humans Sturgeon are endangered due to the following • Over Fishing • They are over fished because they produce caviar (matured fish eggs, usually salted and eaten as a delicacy) • Loss of habitat • Limited spawning areas because of river damming • Water pollution
  4. 4. What can we do to helpIf you’re fishing and catch one call your local wildlifecenter and be sure to let it back into the waterDon’t pollute, especially by throwing trash into thewater
  5. 5. Physical Chacteristics Short rounded Conical Snout 7-13 Dorsal Scutes 33-42 Dorsal Soft Rays Barbels (located just beneath the mouth) 22-34 Lateral Scutes Grow to be 4.5 feet in length When fully matured a sturgeon can weigh up to 50 pounds or more
  6. 6. ReproductionSpawning occurs every 2-3 yearsFemale can lay up to 3.75 million eggs at one timeSpawn in Fresh waterEgg hatch after 13 daysHatchlings are 7-11 mm. long, they have minimal sightand swimming ability
  7. 7. Interesting FactsTo get its food a sturgeon vacuums it up through itsextendable mouthCan live up to 67 years oldHave been around since the dinosaursThey have a type of armor made up of bony platescalled scutesTo find food they skim the bottom of the lake or riverthey are living in and use their barbels to feel around

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