Cnidaria specimens

1. Specimens - Cnidaria

2. 1. Scyphozoa

3. Phylum: Cnidaria
Class: Scyphozoa
Order: Semaeostomeae
Family: Ulmaridae
Genus: Aurelia
Species: unknown
Scientific name: Aurelia sp.
Common name:
Moon jellyfish 海月水母
Descriptions:
Thick mesoglea;
without velum
1 cm

4. LIFE STAGES OF AURELIA SP.

5. I: Planula
1 mm

6. I: Planula
1 mm
cilium

7. II: Scyphistoma (asexual reproduction)
1 mm

8. II: Scyphistoma (asexual reproduction)
1 mm
nearly mature ephyra
immature ephyra

9. III: Strobila
1 mm

10. III: Strobila
1 mm
polyp
the oldest ephyra

11. IV: Ephyra
1 mm

12. IV: Ephyra
1 mm
radial canals
manubrium
mouth

13. Close-up
1 mm

14. Close-up
1 mm
rhopalium
(for sensing light and
gravity)
gastric filament
(for paralysing preys)

15. V: Medusa
1 cm

16. Close-up
1 cm

17. Close-up
1 cm
gonads

18. Phylum: Cnidaria
Class: Scyphozoa
Order: Rhizostomeae
Family: Cassiopeidae
Genus: Cassiopea
Species: unknown
Scientific name: Cassiopea sp.
Common name:
Upside-down jellyfish 顛倒水母

19. 2. Hydrozoa

20. Phylum: Cnidaria
Class: Hydrozoa
Order: Limnomedusae
Family: Olinidiidae
Genus: Gonionemus
Species: unknown
Scientific name: Gonionemus sp.
Common name:
Clinging jellyfish 鈎手水母
Description:
Gonads derived from epidermal tissues;
with velum1 cm

21. Close-up

22. Close-up

23. Phylum: Cnidaria
Class: Hydrozoa
Order: Anthoathecata
Family: Hydridae
Genus: Hydra
species: unknown
Scientific name: Hydra sp.
Common name: -
Description:
Only the bud is shown1 mm

24. Hydra sp. - female
1 mm

25. Hydra sp. - female
1 mm
ovary

26. Hydra sp. - male
1 mm

27. Hydra sp. - male
1 mm
testes

28. Phylum: Cnidaria
Class: Hydrozoa
Order: Hydrozoa
Familiy: Campanulariidae
Genus: Obelia
species: unknown
Scientific name: Obelia sp.
Common name: -
Description:
The medusa stage is shown
1 mm

29. Obelia sp. – polyps
1 mm

30. Obelia sp. – polyps
1 mm

31. Obelia sp. – polyps
1 mm
perisarc
(outer hardened integument)
coenosarc
(the living tissue)

32. Obelia sp. – polyps
1 mm

33. Obelia sp. – polyps
1 mm
tentacle
mouth

34. Obelia sp. – polyps
1 mm

35. Obelia sp. – polyps
1 mm
hydrotheca
annulations
gonotheca
developing
medusa

36. Phylum: Cnidaria
Class: Hydrozoa
Order: Anthoathecata
Family: Pennariidae
Genus: Pennaria
Species: unknown
Scientific name: Pennaria sp.
Common name: -
1 cm

37. Close-up
1 cm

38. Phylum: Cnidaria
Class: Hydrozoa
Order: Siphonophorae
Family: Physaliidae
Genus: Physalia
Species: unknown
Scientific name: Physalia sp.
Common name:
Portuguese man-of-war 葡萄牙戰艦
1 cm

39. Close-up

40. Close-up
1 cm

41. Close-up
1 cm
tentacle

42. 3. Anthozoa

43. 1 cm

44. Sea anemone
1 cm

45. External view
1 cm
Phylum: Cnidaria
Class: Anthozoa
Order: Actiniaria
Family: Metridiidae
Genus: Metridium
Species: unknown
Scientific name: Metridium sp.
Common name:
Plumose anemone 梅花海葵

46. Top view
1 cm

47. Top view
tentacle
mouth
1 cm
ostium

48. Longitudinal section
1 cm

49. Longitudinal section
1 cm
mouth
pharynx
pedal disc

50. Transverse
section
1 cm

51. Transverse
section
1 cm
mesentery
pharynx

52. Sea anemones: preserved specimens

53. Corals

54. Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Fungiidae
Genus: Lithophyllon
Species: edwardsi
Scientific name: Lithophyllon edwardsi
Common name: Stone leaf coral 石葉珊瑚
Description:
The skeleton of the coral is shown5 cm

55. Side View

56. Close-up
1 cm

57. Close-up
1 cm
ostium

58. Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Poritidae
Genus: Goniopora
Species: unknown
Scientific name: Goniopora sp.
Common name:
Daisy corals / Flowerpot coral 角
孔珊瑚 / 萬花筒珊瑚1 cm

59. Close-up
5 mm

60. Close-up
5 mm
Polyp

61. Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Fungiidae
Genus: Fungia
Species: unknown
Scientific name: Fungia sp.
Common name:
Mushroom coral 石芝珊瑚5 cm

62. Side View

63. 5 mm
Close-up

64. Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Poritidae
Genus: Porites
Species: lobate
Scientific name: Porites lobata
Common name:
Lobe corals 團塊珊瑚
5 mm 1 cm

65. Close-up

66. Close-up
5 mm

67. Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Dentrophylliidae
Genus: Turbinaria
Species: peltate
Scientific name: Turbinaria peltata
Common name: Disc corals 陀螺珊瑚
Description: The skeleton is shown
5 cm

68. Close-up

69. Close-up
5 mm

70. Close-up
5 mm
petal disc attachment

71. Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Merulinidae
Genus: Cyphastrea
Species: unknown
Scientific name: Cyphastrea sp.
Common name:
Meteor coral 刺星珊瑚
5 cm

72. Side View
5 cm

73. Close-up
5 mm

74. Phylum: Cnidaria
Class: Anthozoa
Order: Scleactinia
Family: Agariciidae
Genus: Panova
Species: decussata
Scientific name: Panova decussata
Common name:
Cactus coral 十字牡丹珊瑚
5 mm

75. Phylum: Cnidaria
Class: Anthozoa
Order: Scleractinia
Family: Acroporidae
Genus: Acropora
Species: unknown
Scientific name: Acropora sp.
Common name:
Staghorn coral 鹿角珊瑚
10 cm

76. Acropora - branches
1 cm

77. Close-up
5 mm

78. Phylum: Cnidaria
Class: Anthozoa
Order: Stolonifera
Family: Tubiporidae
Genus: Tubipora
Species: unknown
Scientific name: Tubipora sp.
Common name:
Organ-pipe coral 笙珊瑚
1 cm

79. Close-up
1 cm

80. Transverse
section

81. Longitudinal
section
1 cm

82. Sea fan & Sea Pen

83. Phylum: Cnidaria
Class: Anthozoa
Order: Gorgonacea
Genus: unknown
Species: unknown
Scientific name: unknown
Common name: Sea fan 海扇
1 cm

84. Close-up
1 cm

85. Phylum: Cnidaria
Class: Anthozoa
Order: Pennatulacea
Genus: unknown
Species: unknown
Scientific name: unknown
Common name: Sea pen 海仙人掌
1 cm

86. Close-up
1 cm

87. Close-up
1 cm
peduncle

88. Close-up
1 cm

89. Close-up
1 cm
rachis