Baby manta rays can 'breathe' in womb
Wednesday, June 6, 2012 - 12:00
in Astronomy & Space
A rare ultrasound glimpse at a fetal manta ray reveals that that these graceful fish can "breathe" in the womb.
A rare ultrasound glimpse at a fetal manta ray reveals that that these graceful fish can "breathe" in the womb.