A Sea Biscuit's Life

[smallmak5]

can any one tell me if the animal in this clip is under porifera, or under cnidaria. need to know for a report thank you XD

[brunovellutini]

@smallmak5 Echinodermata

[xxxDarkcloud0xxx]

Shit u see that sucker moving those rocks at the end? That mofo is a heavyweight!

[brunovellutini]

@xxxDarkcloud0xxx It moves like spider-man!

[afy282]

I have a question, how did the sea-urchin like larvae at the end of this video end up being flattened to a sea biscuit?

[brunovellutini]

@afy282 Do you mean the juvenile (at 3:00)? I was not able to follow the complete development until the adult form, but from this point on they basically grow and their skeleton gets thicker. In the video the juveniles are 0.5mm wide, but the adult of this species can reach up to 30cm! They might take decades to grow this big. Other species are smaller and have a shorter life cycle.

[julie20039]

love the music, makes the video more fascinating:)!

[brunovellutini]

@julie20039 I love the music too ;)

[mansoor731]

superb video. thanks for publishing.

[brunovellutini]

@mansoor731 Thanks for passing by!

[makeupobsessed14]

this video is truly fascinating. thank you so much for posting it :)

[brunovellutini]

@makeupobsessed14 thanks!

[kantana1022]

amazing. bizarrely beautiful 

[brunovellutini]

@kantana1022 bizarrely beautiful is a perfect description :)

[EefkeVlinder]

Thank you this is beautiful

[brunovellutini]

@EefkeVlinder thanks!

[IvanaSamJa]

thank you! great!!!

[brunovellutini]

@IvanaSamJa Thanks for watching! :D

[rhymepays]

Hey, what is this a commercially important species?

[brunovellutini]

@rhymepays I don't think this species is used commercially. Take a long time to grow and it is too bony to be eaten...

[mizzmerissa83]

Thank you for having about the only thing on the internet about actual Sea Biscuits, and not the stupid horse in the movie. I finally have something to work with for my Zoology lab on Echinodermata.

[brunovellutini]

@mizzmerissa83 Great :) did you try looking for "sand dollar"? You might find something (but also necklaces and other decoration artifacts made of their skeleton...).

[artemia81]

great video! which kind of algae did you feed to the larvae and how  long did it take to reach metamorphosis? :D thanks

[brunovellutini]

Thanks! I used Dunaliella and took about 20 days until metamorphosis

[zoloog]

very very cool

:-)

[brunovellutini]

@zoloog thanks!