- Jellyfish live in the sea and are found in all oceans.
- Some jellyfish live in fresh water.
- Jellyfish look a little like umbrellas.
- Jellyfish can be large and brightly colored.
- They can often be transparent (see-through) or translucent (semi-translucent).
What are some fun facts about jellyfish?
- Some jellyfish can glow in the dark. …
- Jellyfish are the oldest multi-organ animal. …
- Jellyfish are found all over the world. …
- Some jellyfish are immortal. …
- Not all jellyfish have tentacles. …
- There’s a giant jellyfish called the hair jelly. …
- 150 million people are stung by jellyfish each year.
Did you know facts about jellyfish?
- Some jellyfish can glow in the dark. …
- Jellyfish are the oldest multi-organ animal. …
- Jellyfish are found all over the world. …
- Some jellyfish are immortal. …
- Not all jellyfish have tentacles. …
- There’s a giant jellyfish called the hair jelly. …
- 150 million people are stung by jellyfish each year.
What is the fact of jellyfish?
Jellyfish have
tiny stinging cells in their tentacles to stun or paralyze their prey before they eat them
. Inside their bell-shaped body is an opening that is its mouth. … Tentacles hang down from the smooth baglike body and sting their prey. Jellyfish stings can be painful to humans and sometimes very dangerous.
How long does a jellyfish live?
How long do jellyfish live? Most jellyfish
live less than one year
, and some some of the smallest may live only a few days. Each species has a natural life cycle in which the jellyfish form is only part of the life cycle (see video clip showing different life cycle stages).
Do jellyfish glow?
Aequorea jellies glow with a bioluminescent protein used in the biotechnology industry. … Bioluminescence is light produced by a chemical process within a living organism. The glow occurs when a substance called
luciferin reacts with oxygen
.
What eats a jellyfish?
Sea anemones
may eat jellyfish that drift into their range. Other predators include tunas, sharks, swordfish, sea turtles and penguins. … In general however, few animals prey on jellyfish; they can broadly be considered to be top predators in the food chain.
Can a jellyfish eat a human?
Jellyfish have tiny stinging cells in their tentacles to stun or paralyze their prey before they eat them. Inside their bell-shaped body is an opening that is its mouth. They eat and discard waste from this opening. … But
jellyfish don’t purposely attack humans.
What attracts jellyfish?
Be sure to watch out for small (just 4-5 cm) jellyfish with cubic umbrellas and 4 long tentacles which swim quickly and are attracted to
light
. This species is known to be a common source of stings as it is small, fast, and easy to overlook.
Are jellyfish smart?
Though jellyfish do not have a brain,
they are incredibly smart and adaptable
. For more than 500 million years, they’ve been bobbing around almost all the world’s oceans, both close to the water surface as well as in depths of up 700 meters.
Are all jellyfish immortal?
To date, there’s only one species that has been called ‘biologically immortal’: the
jellyfish Turritopsis dohrnii
. These small, transparent animals hang out in oceans around the world and can turn back time by reverting to an earlier stage of their life cycle.
How do jellyfish eat and poop?
It might not sound very appetizing, but jellyfish have
no
need for separate orifices for eating and pooping. They have one orifice that does the job of both the mouth and the anus.
What is the longest a jellyfish can live?
One of the most popular jellyfish, the moon jellyfish (Aurelia aurita), is known to have a lifespan of 12 to 18 months but with proper living conditions, can live up to
20 years
. The Flame jellyfish (Rhopilema esculentum) has a rather shorter lifespan as it can only live from three months up to a maximum of one year.
Do jellyfish light up at night?
Comb Jellies
Does a jellyfish have eyes?
The
jellyfish has six eye clusters
. Each contains four very simple eyes consisting of pigment-filled pits to catch light, and a pair of more complex, lensed eyes.
Why do jellyfish glow green?
The protein is naturally expressed in the North American jellyfish Aequorea victoria, and
works by absorbing energy from blue light in the environment
and emitting a green glow in response. … Jellyfish aren’t the only bioluminescent (making their own glow) creatures on the planet.