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Melanotaenia duboulayi, Crimsonspotted rainbowfish
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Crimsonspotted rainbowfish
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Melanotaenia duboulayi
Picture by
Muséum-Aquarium de Nancy/D. Terver
Teleostei (teleosts) >
Atheriniformes
(Silversides) >
Melanotaeniidae
(Rainbowfishes, blue eyes)
Etymology:
Melanotaenia:
Greek, melan, -anos = black + latin, taenia = stripe (Ref.
45335
)
.
More on author:
Castelnau
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; potamodromous (Ref.
51243
). Temperate
Oceania: endemic to Australia.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 11.0 cm SL male/unsexed; (Ref.
44894
); 6.5 cm SL (female); common length : 8.0 cm SL male/unsexed; (Ref.
44894
); common length :6 cm SL (female)
Found in rivers, creeks, drains, ponds, dune lakes and reservoirs. Usually occurs in still or slow-flowing conditions near the surface or around vegetation, log snags, or other debris. Occurs in both sandy coastal habitats and forested areas farther inland. Water conditions vary from very soft and acidic (coastal) to relatively alkaline (inland). The pH and temperature ranges are 5.4-7.8 and 16°-28°C, respectively (Ref.
44894
). Omnivore (Ref.
75154
). A popular aquarium fish which readily breeds in captivity. Life span in the wild is probably 3-4 years (Ref.
44894
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Distinct pairing (Ref.
205
).
Allen, G.R.
, 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref.
5259
)
IUCN Red List Status (Ref.
126983
)
Least Concern (LC)
; Date assessed:
15 February 2019
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this BS (Ref.
93245
).
Trophic level (Ref.
69278
): 2.9 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
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