Half-and-half chromis (Chromis iomelas) fish species and information / pictures of Half-and-half chromis - Chromis iomelas

Half-and-half chromis (Chromis iomelas) fish species information

Scientific Name
Chromis iomelas

Common Name
Half-and-half chromis

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 13-14; Anal spines: 2; Anal soft rays: 13 - 14. Body short and deep. Body and adjacent dorsal and anal fins color is dark brown from snout to about the 4th dorsal-fin spine, then white to the caudal fin.

Classification

Classified By
Jordan & Seale, 1906
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Damselfishes (Pomacentridae)

Distribution

Region
Pacific Ocean
Distribution
Pacific Ocean: Great Barrier Reef and northern New Guinea to Samoa and the Society Islands.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
3 m
Depth To - meters
35 m
Zone
reef-associated
Environment
Marine; reef-associated; non-migratory; depth range 3 - 35 m (Ref. 7247)
Trophic Level
2.69 s.e. 0.30 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
8.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Aquarium: commercial
Vulnerability
Low vulnerability (19 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated