Boulder Star Coral
There are several ways in which this coral species builds it's structures. It is believed that the coral's environment determines whether the colony grows in a 'lobed' (Orbicella annularis), 'mountainous' or 'flat sheets' (Orbicella faveolata) or 'boulder' shape (Orbicella franksi). Can you guess what 'style' each of these structures would be called?
ICUN
Status:
ENDANGERED A2bce
Pop. trend: decreasing
https://www.iucnredlist.org/species/133134/165736431
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_2801.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_3202.jpg)
Dying Colony
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_3236a.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_6922.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_6925.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_6929.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_7341.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_7343.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_8779.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_3478.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_3478a.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_7182.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_8788a.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_8788.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_8492.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_0831.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_1032.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_5326.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_8842.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_9848.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_9849.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_6552.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_6554.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_6920.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_0076.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_7282.jpg)
![Boulder Star Coral - Montastraea annularis](picture_library/coral/stony/boulder-star-coral_3769.jpg)