Ornate rainbowfish (Rhadinocentrus ornatus) fish species and information / pictures of Ornate rainbowfish - Rhadinocentrus ornatus

Ornate rainbowfish (Rhadinocentrus ornatus) fish species information

Scientific Name
Rhadinocentrus ornatus

Common Name
Ornate rainbowfish

Biology
Lives in coastal streams and often found in stagnant pools or streams with little or no flow. Inhabits creeks, backwaters of larger streams, ponds and dune lakes. Usually found in sandy coastal country (locally known as 'wallum') in slow-flowing, tannin-stained waters. Prefers the cover of submerged logs and branches, grassy banks, reeds and lily roots (Ref. 44894). Occurs at temperature and pH ranging from 20?-28? C and 5.4-6.5 respectively. Eggs are laid among plants each day during the breeding season. Feeds on insects and their aquatic larvae, microcrustaceans and algae. Popular aquarium fish which readily breeds in captivity (Ref. 44894).

Classification

Classified By
Regan, 1914
Class
Ray-finned fishes (Actinopterygii)
Order
Silversides (Atheriniformes)
Family
Rainbowfishes, blue eyes (Melanotaeniidae)

Distribution

Region
Oceania
Distribution
Oceania: northern New South Wales and southern Queensland in Australia.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
20 °C
Water Temperature To
30 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
pelagic
Environment
Freshwater; ; pH range: 6.0 - 6.5; dH range: 4 - 8 pelagic
Trophic Level
2.98 s.e. 0.35 Based on food items.
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
6.0 cm
Common Length
4.0 cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (29 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