Spawning of the colonial coral Cladocora caespitosa (Anthozoa, Scleractinia) in the Southern Adriatic Sea (CROSBI ID 137017)
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Podaci o odgovornosti
Kružić, Petar ; Žuljević, Ante ; Nikolić, Vedran
engleski
Spawning of the colonial coral Cladocora caespitosa (Anthozoa, Scleractinia) in the Southern Adriatic Sea
Data on sexual reproduction of scleractinian coral species living in temperate zones, particularly in the Mediterranean Sea, are quite scarce. This paper describes sexual reproduction of the colonial coral Cladocora caespitosa from Veliko jezero (Mljet Island) in the Adriatic Sea. Spawned orange eggs and white sperm bundles were observed on the coral bank of C. caespitosa two nights before the full moon (20 June 2005) coinciding with increasing water temperature and correlated with the lunar cycle. Spawning was observed during five nights, involving about 30% of the colonies from the coral bank. Different colonies on the bank released only one type of gamete during the reproductive period. The diameter of the sperm bundles ranged from 100 to 200 μ m (average 163 μ m ; SD = 47.08), while the female gametes diameter ranged from 300 to 500 μ m (average 416 μ m ; SD = 73.12).
Cladocora caespitosa; coral spawning; Adriatic Sea
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