scyphozoa

Bell-shaped ocean drifters

Scyphozoa is the taxonomic class comprising true jellyfish—the large, free-swimming medusae most people picture when they hear "jellyfish." These creatures have bell-shaped bodies and trailing tentacles, often with stinging cells.

The term comes from Greek words meaning "cup animal," describing their shape.

The moon jelly belongs to Scyphozoa. (Capitalized Scyphozoa is standard in scientific usage.)

taxonomy

jellyfish

Drifting marine stinger

  • cnidariaStinging aquatic animal phylum
  • medusaFree-swimming cnidarian form
  • AureliaFeminine name meaning golden

moon jelly · sea nettle · lion's mane · polyp · invertebrate · phylum · class · zoology

ecology

plankton

Drifting marine microlife

  • bloomFlower or flourishing state
  • swarmMass of moving insects
  • oceanMassive saltwater body

marine · pelagic · predator · prey · sea turtle · sunfish · leatherback · current · drift · ecosystem

lifecycle

polyp

Fleshy membrane projection

budding · asexual · sexual reproduction · segmentation · spawning · fertilization · settlement · benthic · pelagic · maturation

anatomy

bell

Hollow resonating instrument

nematocysts · radial symmetry · manubrium · epidermis · nerve net

sting

venom

Injected animal poison

box jellyfish · vinegar · swimmer · first aid · allergic reaction · dermatitis · pain · welts · neurotoxin · cardiotoxin

Categories
Opposites
cnidarian classification

scyphozoaanthozoa

Flower-like marine invertebrates

hydrozoa · coral · sea anemone · polyp

taxonomic contrast within cnidarians

scyphozoacorals

Colonial marine invertebrates

sea anemones · box jellyfish

Family

zoological, protozoa, protozoan, metazoa

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