· Gonads = Gk word that is used to indicate the animals' internal and plants' external reproductive organs ...
It appears that the seasonal warming spring water started the maturing of gonads in these great barrier reef corals. A large study of 105 spe- cies found that 87 of them spawned within 3 to 6 nights following the seasonal full moon.
They have three specialized organs that are unique to chondrichthyes; the epigonal organs (lymphoid tissue similar to bone marrow of mammals) that surround the gonads, the Leydig's organ within the walls of their esophagus, ...
Evisceration can happen in one of two ways, the more common being the expulsion of the respiratory organs, gonads and digestive system which often contain holothurin. The second is the expulsion of the pharynx and part of the lower intestine.
The reproductive structures (gonads) are paired organs comprising of the testes in the male and the ovaries in the female. Most teleost fishes exist of two sexes males and females.
 See also: Water, Species, Marine, Spawn, Temperature
  
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