Chromis

Chromis are a group of small, colorful fish belonging to the family Pomacentridae. They are popular in the reefkeeping hobby due to their hardy nature, vibrant colors, and peaceful demeanor. Chromis are schooling fish, meaning they thrive in groups, which can create a dynamic and lively display in an aquarium. One of the most commonly kept species is the Chromis viridis, known for its shimmering blue-green hue.

Chromis are relatively easy to care for, making them suitable for both beginners and experienced aquarists. They require a well-established tank with plenty of swimming space and hiding spots. A tank size of at least 120 liter (30 gallons) is recommended for a small school. Chromis are omnivorous and will accept a variety of foods, including flake, pellet, frozen, and live foods. Regular feeding with a balanced diet will help maintain their vibrant colors and overall health.

In terms of compatibility, Chromis are generally peaceful and can coexist with a wide range of other reef-safe fish, corals, and invertebrates. However, it's important to monitor their interactions with more aggressive tank mates, as they can become stressed or bullied. Providing ample hiding spots and maintaining good water quality are crucial for their well-being.

Scientifically, Chromis are interesting due to their social behavior and schooling dynamics. In the wild, they often form large schools around coral reefs, which provides them with protection from predators and opportunities for feeding. Their schooling behavior is not only a survival strategy but also a fascinating aspect to observe in a home aquarium.

Overall, Chromis are a delightful addition to any reef tank, bringing both beauty and activity to the aquatic environment.

1. 
   Common name: Yellow Axil Chromis

   Scientific name: Chromis abrupta
2. Common name: Midget chromis

   Scientific name: Chromis acares
3. 
   Common name: Agile chromis

   Scientific name: Chromis agilis
4. Common name: White-spotted chromis

   Scientific name: Chromis albomaculata
5. Common name: Allen's chromis

   Scientific name: Chromis alleni
6. 
   Common name: Yellow-speckled chromis

   Scientific name: Chromis alpha
7. 
   Common name: Ambon chromis

   Scientific name: Chromis amboinensis
8. 
   Common name: yellow chromis

   Scientific name: Chromis analis
9. 
   Common name: Black-axil chromis

   Scientific name: Chromis atripectoralis
10. 
    Common name: Blue Green Reef Chromis

    Scientific name: Chromis bami
11. 
    Common name: blue chromis

    Scientific name: Chromis cyanea
12. 
    Common name: Deep-reef puller

    Scientific name: Chromis delta
13. 
    Common name: bicolor damselfish

    Scientific name: Chromis dimidiata
14. 
    Common name: yellowtail reeffish

    Scientific name: Chromis enchrysura
15. 
    Common name: Arabian chromis

    Scientific name: Chromis flavaxilla
16. Common name: Malayan chromis

    Scientific name: Chromis flavipectoralis
17. 
    Common name: yellow demoiselle

    Scientific name: Chromis fumea
18. Common name: Hawaiian bicolor chromis

    Scientific name: Chromis hanui
19. 
    Common name: Olive damselfish

    Scientific name: Chromis insolata
20. Common name: Pacific Half-and-half Chromis

    Scientific name: Chromis iomelas
21. 
    Common name: Yellow Chromis

    Scientific name: Chromis jubauna
22. 
    Common name: Scaly chromis

    Scientific name: Chromis lepidolepis
23. 
    Common name: White-tailed chromis

    Scientific name: Chromis leucura
24. 
    Common name: Damsel fish

    Scientific name: Chromis limbata
25. 
    Common name: lined chromis

    Scientific name: Chromis lineata
26. Common name: Lubbock's chromis

    Scientific name: Chromis lubbocki
27. 
    Common name: bicolor chromis

    Scientific name: Chromis margaritifer
28. 
    Common name: Bigeye chromis

    Scientific name: Chromis mirationis
29. 
    Common name: brown chromis

    Scientific name: Chromis multilineata
30. Common name: Yellowback puller

    Scientific name: Chromis nitida
31. 
    Common name: Okinawa chromis

    Scientific name: Chromis okamurai
32. Common name: Hawaiian chromis

    Scientific name: Chromis ovalis
33. Common name: Pemba chromis

    Scientific name: Chromis pembae
34. 
    Common name: Blacksmith chromis

    Scientific name: Chromis punctipinnis
35. 
    Common name: Black-bar chromis

    Scientific name: Chromis retrofasciata
36. 
    Common name: Philippines chromis

    Scientific name: Chromis scotochiloptera
37. Common name: purple reeffish

    Scientific name: Chromis scotti
38. 
    Common name: Ternate chromis

    Scientific name: Chromis ternatensis
39. Common name: Trispot chromis

    Scientific name: Chromis trialpha
40. 
    Common name: Vanderbilt's chromis

    Scientific name: Chromis vanderbilti
41. 
    Common name: Threespot chromis

    Scientific name: Chromis verater
42. 
    Common name: blue-green chromis

    Scientific name: Chromis viridis
43. Common name: Yellow-axil chromis

    Scientific name: Chromis xanthochira
44. Common name: yellowfin chromis

    Scientific name: Chromis xanthopterygia
45. 
    Common name: Black chromis

    Scientific name: Chromis xanthura
46. Common name: Buff chromis

    Scientific name: Chromis xutha