Firefish Goby (Nemateleotris magnifica)
The Firefish Goby, also called the Fire Dartfish, is a
graceful and brilliantly colored saltwater fish. It’s one of the most popular
beginner-friendly marine species because of its small size, peaceful nature,
hardy constitution, and striking beauty.
Key Features
- Appearance:
White to yellow anterior (front) body fading into a bright red-orange tail
with a long, trailing dorsal fin.
- Size:
2.5–3 inches (6–8 cm).
- Temperament:
Peaceful, shy, and darting.
- Diet:
Carnivore — feeds on small meaty foods.
- Habitat:
Tropical reefs of the Indo-Pacific.
Firefish are known for their sudden, darting swimming style
and their tendency to hover gracefully near their chosen shelter spot.
Common Names and Scientific Name
- Common
Names: Firefish Goby, Fire Dartfish, Fire Goby, Magnificent Dartfish
- Scientific
Name: Nemateleotris magnifica
Fun Fact:
The Firefish Goby can rotate its eyes independently to scan for both predators
and prey without moving its body!
Appearance
Firefish Gobies have a very distinct, eye-catching look.
Coloration
- Body:
- Front:
White or light yellow.
- Back
half: Intense red-orange coloration extending to the tail.
- Fins:
- Long,
streamer-like first dorsal fin (especially prominent in males).
- Pectoral
fins are translucent.
Size
- Average
Size: 2.5–3 inches (6–8 cm).
Shape
- Body:
Slender, elongated, and torpedo-shaped.
- Face:
Rounded head with large, curious eyes.
- Fins:
Notable elongated dorsal fin used for communication and threat displays.
Sexual Dimorphism
- Males:
Slightly larger and have a more elongated dorsal fin.
- Females:
Slightly smaller with a shorter dorsal fin.