Blackmargined Damsel is a marine fish with the scientific name Pomacentrus nigromarginatus.
This fish comes from the Western Pacific Ocean and is sometimes found in aquariums.
Blackmargined Damsels live on the outer edges of coral reefs, often near rocks in sandy areas or along deep walls with caves up to 50 meters deep.
They eat tiny animals called zooplankton and algae. These fish are active during the day and are safe for coral reefs.
You can check out what this fish looks like over here.
Blackmargined Damsel Interesting Facts
- Blackmargined Damsel grows up to 3.1 inches (8.0 centimeters) long and inhabits coral reefs in the Western Pacific Ocean.
- These fish feed on zooplankton and algae and are active during the day.
- They form pairs and lay sticky eggs on underwater surfaces during the breeding season.
- Males play a crucial role by protecting and providing oxygen to the eggs.
Blackmargined Damsel Habitat
Blackmargined Damsel lives in the Western Pacific Ocean, specifically around Indonesia, Western Australia, the Great Barrier Reef, the Coral Sea, Papua New Guinea, the Solomon Islands, the Philippines, Taiwan, and the Ryukyu Islands.
This fish inhabits marine environments near coral reefs and doesn’t migrate. It’s found at depths of 20 to 50 meters (66 to 164 feet) in tropical waters.
| Water Temperature: | Unknown |
| Water pH: | Unknown |
| Water Hardness: | Unknown |
Blackmargined Damsel Physical Characteristics
Size: 3.1 inches (8.0 centimeters)
Blackmargined Damsel grows up to 3.1 inches (8.0 centimeters) long. It has 13 dorsal spines and 14 to 15 dorsal soft rays.
There are also 2 anal spines and 14 to 15 anal soft rays. The head and body of this fish are gray, while the fins near the back are yellow.
The edge of the tail fin is black, and there’s a black spot at the base of the front fins. Sometimes, there’s a thin black line on the tail fin’s border.
Blackmargined Damsel Reproduction
Blackmargined Damsel lays eggs that stick to surfaces underwater.
During the breeding season, it forms distinct pairs. Male fish protect and provide oxygen to the eggs.
Blackmargined Damsel Scientific Classification
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Family: | Pomacentridae |
| Genus: | Pomacentrus |
| Scientific Name: | Pomacentrus nigromarginatus |
| Also Known As: | Blackmargined Damsel |
| Conservation Status: | Unknown |