Diadema paucispinum, commonly known as Diadema Paucispinum, is a species of sea urchin belonging to the family Diadematidae. This species is found in tropical and subtropical waters worldwide, and is a significant herbivore in coral reef ecosystems.
Description & Characteristics
Diadema paucispinum is characterized by its long, slender spines that cover its body. These spines can reach lengths of up to 10 centimeters, providing the urchin with a formidable defense mechanism. The color of Diadema paucispinum can vary depending on its environment, ranging from dark purple to black. Its body is typically spherical, with a diameter of up to 10 centimeters.
Habitat and Occurrence
Diadema paucispinum is primarily found in coral reefs, where it plays a crucial role in maintaining the health of the ecosystem. This species is particularly abundant in the Indo-Pacific region, and its presence is often indicative of a healthy and diverse reef environment. It is also commonly found in the Caribbean Sea, where it contributes to the ecological balance of the region’s coral reefs. Diadema paucispinum typically prefers to inhabit shallow, reef-associated habitats, often found within the depths of 1 to 30 meters. Its preference for these shallow waters ensures it remains within the photic zone, allowing it to access sufficient sunlight for photosynthesis.
Taxonomy
The species Diadema paucispinum belongs to the Class: Echinoidea, Order: Diadematoida, and Family: Diadematidae. This classification places Diadema paucispinum within a broader group of sea urchins characterized by their distinctive long, slender spines and their primarily herbivorous diet.
Feeding
Diadema paucispinum is a herbivore and feeds primarily on algae. Its diet includes a variety of algae species, including filamentous algae, red algae, and green algae. This feeding behavior is crucial for maintaining the balance of the reef ecosystem, as it prevents the overgrowth of algae that can smother coral. The species’ ability to graze on algae helps to maintain the health and diversity of the coral reef environment.
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