Colonial tunicates are the only chordates that are able to reproduce both sexually and asexually . " B . schlosseri " is a sequential ( protogynous ) hermaphrodite, and in a colony, eggs are ovulated about two days before the peak of sperm emission.
32.
They use external fertilization, and are mostly hermaphroditic, although some are male or protogynous ( female and then male ) . " Z . sociatus " was found to reproduce seasonally in Panama, and synchronizes the release of gametes with extremely low tides.
33.
*" Gobiodon sp . start life as females, and are bi-directional protogynous hermaphrodites, meaning that when paired up, if necessary, one changes sex to form a breeding pair . " I feel this is interesting enough that it belongs in the lead section.
34.
:: : If you want to be even more specific, sequential hermaphrodites may be further classified as " protogynous " ( starting as female and then possibly changing into a male ) or " protandrous " ( starting as male and then possibly changing into a female ).
35.
"Botryllus schlosseri " is a colonial tunicate, a member of the only group of chordates that are able to reproduce both sexually and asexually . " B . schlosseri " is a sequential ( protogynous ) hermaphrodite, and in a colony, eggs are ovulated about two days before the peak of sperm emission.
36.
"Botryllus schlosseri " ( class Ascidiacea ) is a colonial tunicate, a member of the only group of chordates that are able to reproduce both sexually and asexually . " B . schlosseri " is a sequential ( protogynous ) hermaphrodite, and in a colony, eggs are ovulated about two days before the peak of sperm emission.
