Cnidaria is a phylum containing over 10,000 species of animals found
exclusively in aquatic ... Several free-swimming species of Cubozoa and
Scyphozoa possess .... and Scyphozoa (jellyfish), the mes...
Chrysaora melanaster, one of the largest jellyfish commonly found in the Arctic, ...
Between these layers is a gelatinous material called mesoglea, which makes up
most ... Many microscopic organisms, such as bacteria, also use cilia to swim—
but .... are genetically identical because they all come from a single fertilized egg.
Hydroids can consist of solitary organisms but are more commonly found as
colonies ... These oral arms contain stinging cells called cnidocysts (MASLA). ...
Larger jellyfish may be predators of fish or free-swimming invertebrates ... The
sperm reaches the eggs located inside the female medusa and fertilization takes
Jellyfishes or, as they are often called,. "sea nettles" .... species of medusae also
have been found in fresh or very ... to any free- swimming jellyfish type of ... The
fertilized egg undergoes gradual development into a ciliated larva. The larva ...
Tiny hair-like structures called 'cilia' on the body of the jellyfish produce currents
by beating. ... are taken into the female via the mouth and fertilization occurs
internally. ... the eggs until they develop into free-swimming larvae (planula
larvae). .... Typically found close to the coast, this jellyfish can also be found ...
Mar 8, 2016 ... Post fertilization, most eggs developed to an encapsulated planula stage ...
budding producing ciliated swimming polyps, which in turn settled and ... Carukia
barnesi free swimming planula larvae were first observed six ..... also very similar
to the monodisc strobilation recently discovered in M. virulenta .
... more successful than the others Porifera = sponges Cnidaria = jelly fish +
hydroids + ... needles called spicules May possess fibrous spongin protein
network The ... fertilized eggs Develops into a free swimming, multicellular,
ciliated planula ... opening Cannot feed continuously Gut also functions to
transport food Partial ....
Jan 28, 2003 ... Sommer at Monterey Bay Aquarium found this species also had a .... which the
fertilized egg develops directly into another medusa, either ... of an often highly
maneuverable structure called a manubrium, which ... Ephyra: Small, first stage,
free-swimming jelly destined to grow up to mature and become the.
Such areas may be called areas of reproduction, or nursery areas. ... The large
numbers of eggs and larvae produced are, instead, a measure of the .... The
union of germ cells results in a free-swimming, ciliated, planula larva ... Vaughan
(1919) found the pelagic period of corals to be from one day to two or three
Apr 17, 2009 ... jellyfish are feared as dangerous beauties of the deep. ... Jellyfish are
coelenterates, species that also include the flowerlike ... Among Scyphozoa
jellyfish, the sex organs are found only in the free-swimming medusoid (bell-
shaped) stage, ... Fertilized eggs then grow into ciliated larvae that settle on the