Abstract.Along the Sinai coast of the Red Sea a deep diving survey with the research submersible GEO investigated the depth distribution of stony corals. 47 hermatypic species were identified below 50 m; 9 species extended below 100 m. Their depth distributions are related to light penetration. Observed changes in hermatype growth forms with depth were investigated and interpreted as photo‐adaptations. 10 species of ahermatypic corals were found between 100–205 m. Ahermatype growth forms are adaptations to plankton feeding and do not change with de
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机译：摘要：在红海西奈半岛沿岸，利用研究潜水器GEO进行深潜调查，调查了石珊瑚的深度分布。在50 m以下鉴定出47种雌雄同体;9种延伸到100米以下。它们的深度分布与光穿透有关。研究了观察到的雌型生长形式随深度的变化，并将其解释为光适应。在100-205米之间发现了10种雌雄同体的珊瑚。雌雄同体的生长形式是对浮游生物摄食的适应，不会随 de 而改变
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