The Cannonball Jellyfish Stomolophus meleagris and Its Many Symbionts - PowerPoint PPT Presentation

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The Cannonball Jellyfish Stomolophus meleagris and Its Many Symbionts

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Title: The Cannonball Jellyfish Stomolophus meleagris and Its Many Symbionts


1
The Cannonball Jellyfish Stomolophus meleagris
and Its Many Symbionts
  • Bridget Napier
  • BSC 504
  • December 9, 2008

2
Symbiosis
  • From the Greek syn "with" and biosis "living
  • Commonly describes close and often long-term
    interactions between different biological species
  • Categorized as
  • Mutualistic
  • Parasitic
  • Commensal
  • Ecto- or Endosymbionts
  • Obligate or Facultative

3
Stomolophus meleagris
  • AKA - cannonball or cabbage head jellyfish, or
    jelly balls
  • Means many mouthed hunter
  • Known for their symbiotic relationships with
    other marine species

4
Morphology
  • Hemispherical bell
  • Reaches 8 to 10 inches in diameter
  • Bordered with brown pigment
  • Short, protruding oral arms with secondary mouth
    folds (scapulets) at the base of the bell
  • Covered with mucus for trapping small prey

5
Habitat
  • Found in estuarine and saline waters
  • Temperatures around 23.1C (74F)
  • Salinity ranging from 17.7 to 36.5 parts per
    thousand (ppt)

6
Range
  • New England to Brazil in the western Atlantic
  • Southern California to Ecuador in the eastern
    Pacific
  • The Sea of Japan to the South China Sea in the
    western Pacific
  • They are one of the most abundant scyphomedusae
    along the southeastern and Gulf coasts of the
    United States

7
Diet
  • Zooplankton
  • Primarily bivalve veligers, a mollusc larval
    stage
  • They have also been shown to prey on all stages
    of red drum larvae
  • They do not sting humans

8
Known Symbionts
  • Libinia dubia Longnose spider crab
  • Libinia emarginata Common spider crab
  • Aluterus schoepfi Orange filefish
  • Caranx bartholomaei Yellow jack fish
  • Caranx hippos Crevalle jack fish
  • Caranx fusus Blue runner fish
  • Chloroscombrus chrysurus Bumper fish
  • Monacanthus hispidus Plane head filefish
  • Nomeus gronovii Man-of-war fish
  • Peprilus triacanthus - Butterfish
  • Peprilus burti - Harvestfish
  • Hemicaranx ambylrhyncus Blunt nose jack fish

9
Spider Crabs
  • Libinia dubia and Libinia emarginata

10
Orange filefish
  • Aluterus schoepfi

11
Yellow jack fish
  • Caranx bartholomaei

12
Crevalle jack fish
  • Caranx hippos

13
Blue runner fish
  • Caranx fusus

14
Bumper fish
  • Chloroscombrus chrysurus

15
Plane head filefish
  • Monacanthus hispidus

16
Man-of-war fish
  • Nomeus gronovii

17
Butterfish
  • Peprilus triacanthus

18
Harvestfish
  • Peprilus burti

19
Blunt nose jack fish
  • Hemicaranx amblyrhynchus
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