Pens

What eats sea pens?
Their major predators are nudibranchs and sea stars, some of which feed exclusively on sea pens. During the daylight hours Sea Pens usually bury thems...
Which era did the sea pen first appear?
Who discovered the sea pen?Are sea pens poisonous?What is called as sea pen?How long do sea pens live?Are sea pens Colonial?Is Gorgonia a medusa or p...
When did the sea pens existed?
Who discovered sea pens?Are sea pens poisonous?How did sea pens get their name?Is Gorgonia a medusa or polyp?Are sea pens Coelenterate?Where does the...
Where do sea pens live?
Sea pens have a cosmopolitan distribution, being found in tropical and temperate waters worldwide, as well as from the intertidal to depths of more th...
What is the sea pens prey?
The orange sea pen feeds on plankton which it catches with the tentacles on its feathery plumes. It orients itself at right angles to the current and ...
Jelly pens smell?
Is the gel in gel pens toxic?Are Bic gel pens toxic?Can gel pens give you ink poisoning?Can pen ink enter the bloodstream?What pen inks are not toxic...
Which ionic pen brand is advertised as the signature pen?
Which pen is used for signature?What is the best pen for signature?Who can use red pen for signature?What is a signing pen?Which is the No 1 pen in t...
Are sea pens animals?
A sea pen is not one single animal, but a colony of many tiny animals called polyps. Each colony contains several types of polyps which contribute to ...
What does the Sea pen eat?
Sea pens are filter feeders, their special feeding polyps - called autozooids - have 8 tentacles that they use to catch plankton and other particles o...