The Gem Surgeonfish, also known as the Jewelled Tang or Spotted Tang, is a captivating and vibrant fish species scientifically classified as Zebrasoma gemmatum. This captivating marine fish is renowned for its striking coloration and graceful movements, making it a popular choice for aquariums. It is a herbivorous fish that primarily feeds on algae and seaweed, playing a crucial role in maintaining the delicate balance of coral reef ecosystems.
Description & Characteristics
The Zebrasoma gemmatum boasts a captivating appearance characterized by a vibrant yellow body adorned with numerous bright blue spots. These spots are arranged in a unique pattern, creating a dazzling spectacle. The fish’s dorsal fin is elongated and gently curved, while its tail fin is rounded. Its maximum size can reach up to 22.0 cm, making it a moderately sized fish.
Habitat and Occurrence
The Zebrasoma gemmatum is predominantly found in the Indo-Pacific region, inhabiting tropical coral reefs and rocky shores. It is a relatively common sight in these environments, with its preferred depth range between 10.0 – 61.0 meters. This fish is frequently observed in the following marine zones:
- Inner Reef
- Reef Flat
- Reef Slope
This wide distribution highlights its adaptability to various habitats within its preferred range. It is a social fish that often forms schools with its kind, adding to the visual allure of its natural environment.
Taxonomy
The Zebrasoma gemmatum belongs to the family Acanthuridae, commonly known as surgeonfishes or tangs. These fish are characterized by their scalpel-like spines located near the tail, which they use for defense. The Zebrasoma gemmatum further falls under the order Acanthuriformes, a diverse group of marine fish known for their flattened bodies and vibrant colors. This order includes various surgeonfish species, along with tangs, triggerfish, and filefish. Zebrasoma gemmatum is classified within the class Teleostei, the largest and most diverse group of bony fishes, accounting for approximately 96% of all known fish species.
Feeding
The Zebrasoma gemmatum is primarily herbivorous, with a diet consisting of various algae and seaweed. In their natural habitat, they play an essential role in maintaining the balance of the reef ecosystem by grazing on algae and keeping it under control. In captivity, these fish are known to enjoy a diverse diet that includes:
- Algae
- Banana
- Brine Shrimps
- Dandelion
- Daphnia salina
- Flakes
- Frozen Food (large sort)
- Frozen food (small sorts)
- Lettuce
- Mysis
- Nori-Algae
Their diverse diet provides them with the necessary nutrients to maintain their vibrant colors and healthy growth.
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