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Actinopterygii (ray-finned fishes) > Atheriniformes (Silversides) > Melanotaeniidae (Rainbowfishes, blue eyes)
Etymology: Rhadinocentrus: Greek, rhadinos, -e, -on = soft, flexible + Greek, kentron = sting (Ref. 45335). More on author: Regan.

Environment / Climate / Range Ecology

Freshwater; pelagic; pH range: 6.0 - 6.5; dH range: 4 - 8. Tropical; 20°C - 30°C (Ref. 2060), preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Oceania: northern New South Wales and southern Queensland in Australia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.0 cm SL male/unsexed; (Ref. 44894); 3.5 cm SL (female); common length : 4.0 cm SL male/unsexed; (Ref. 44894)

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).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
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Ecosystems
Occurrences
Introductions
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Ecology
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Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
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Morphometrics
Morphology
Larvae
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Internet sources

Rhadinocentrus ornatus Regan, 1914