Cryptodendrum
Cryptodendrum is a genus of soft corals belonging to the family Dendrophylliidae. The name derives from the Greek words “kryptos” (hidden) and “dendron” (tree), referring to the hidden polyps within the colony. These corals are characterized by their distinctive, branching growth patterns and bright, colorful appearances, often featuring vibrant hues of yellow, orange, red, and purple. They are commonly known as “mushroom corals,” a name they share with other coral species, due to the resemblance of their polyps to mushroom caps.
Characteristics
Cryptodendrum corals are characterized by their distinctive polyp structure. Unlike many other coral species, their polyps are not fully exposed, but instead remain partially hidden within the colony's fleshy tissue. The polyps are mushroom-shaped, with a central mouth surrounded by tentacles. These tentacles are typically short and numerous, giving the coral a velvety appearance. The colonies are typically branching, with the branches often growing in a fan-like or dendritic pattern. They can vary in size from a few centimeters to over a meter in diameter.
Environments
Cryptodendrum corals are found in tropical and subtropical regions of the Indo-Pacific Ocean. They are generally found in shallow, reef environments, where they prefer well-lit, clear waters with moderate water flow. These corals are often found growing on rocks, coral rubble, and other hard substrates. They can tolerate a wide range of water conditions, but they are sensitive to pollution and sedimentation. They are also highly susceptible to coral bleaching, a phenomenon caused by rising ocean temperatures.
Species
The genus Cryptodendrum currently consists of several recognized species, including:
- Cryptodendrum adhaesivum
- Cryptodendrum aduncum
- Cryptodendrum arabicum
- Cryptodendrum eburneum
- Cryptodendrum erinaceum
- Cryptodendrum flesus
- Cryptodendrum japonicum
- Cryptodendrum kishinouyei
- Cryptodendrum muricatum
- Cryptodendrum patulum
- Cryptodendrum ramosum
- Cryptodendrum reptans
- Cryptodendrum samoense
- Cryptodendrum spinosum
- Cryptodendrum sp. nov.
References
For more information on Cryptodendrum, please refer to these reliable sources: