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Search results for ‘rainbowfish’

Marosatherina ladigesi

Celebes Rainbowfish

March 13th, 2012 — 1:22pm
JJPhoto

For many years, this species was included in the genus Telmatherina, and is still listed as such in much of the avilable literature. In fact it's now the only species in the recently erected genus Marosatherina. Unfortunately, it has been overfished for the aquarium trade in its native waters and is listed as 'vulnerable' on the IUCN red list of threatened species. Thankfully, it's now being mass-produced on fish farms in both the Far East and Eastern Europe, meaning that few…

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Melanotaenia splendida splendida

Eastern Rainbowfish

March 13th, 2012 — 1:22pm
JJPhoto

There are currently 4 described subspecies of Melanotaenia splendida. The principle differences are generally in colour, pattern and fin counts, although even these vary depending on the locality of the fish. M s. splendida in particular also exhibits a wide variation in colour and patterning depending on locality within the subspecies, and the species name is often suffixed with a place name when the fish are seen for sale. The different forms and subspecies should not be mixed in the aquarium,…

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Melanotaenia australis

Western rainbowfish

March 13th, 2012 — 1:22pm

This species was formerly classified as part of the Melanotaenia splendida complex, but more recent research into the genetics of the species has shown that not only is M. australis genetically dissimilar to the splendida group, but also that there are 2 clear lineages within australis This may yet result in another official member of the genus.

M. australis exhibits a wide variation in colour and patterning depending on locality, and is probably the commonest rainbowfish species in Australi…

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Melanotaenia trifasciata

Banded Rainbowfish

March 13th, 2012 — 1:22pm
JJPhoto

M. trifasciata exhibits a wide variation in colour and patterning depending on locality, and it's very important that the different morphs are not mixed in the aquarium, as they will hybridise freely. These different forms are often distinguished by the addition of the name of collection locality being added to the scientific name of the fish. It's thought that several species may in fact be in evidence here, and a reclassification will probably occur at some point

As with many othe…

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Melanotaenia splendida rubrostriata

Red-striped Rainbowfish

March 13th, 2012 — 1:22pm
JJPhoto

There are currently 4 described subspecies of Melanotaenia splendida, of which this species is one of the most colourful. The principle differences are generally in colour, pattern and fin counts, although even these vary depending on the locality of the fish. The different forms and subspecies should not be mixed in the aquarium, as they may hybridise. Adult specimens are rarely seen for sale, and it's the much drabber juvenile fish that are almost always offered in dealers tanks. However,…

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Melanotaenia splendida inornata

Checkered Rainbowfish

March 13th, 2012 — 1:22pm
JJPhoto

There are currently 4 described subspecies of Melanotaenia splendida. The principle differences are generally in colour, pattern and fin counts, although even these vary depending on the locality of the fish. The different forms and subspecies should not be mixed in the aquarium, as they may hybridise. Adult specimens are rarely seen for sale, and it's the much drabber juvenile fish that are almost always offered in dealers tanks. However, exercise some patience (even on a good diet, full c…

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Melanotaenia praecox

Neon Dwarf Rainbowfish

March 13th, 2012 — 1:22pm
Hippocampus-Bildarchiv

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Melanotaenia maccullochi

Dwarf Rainbowfish

March 13th, 2012 — 1:22pm
JJPhoto

There are a few geographical variants of this species available, which differ in colour, patterning and less commonly, size. These should not be mixed in aquaria, as they may hybridise. The differences are so apparent between some of these forms that they may well turn out to be different species in the future….

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Melanotaenia irianjaya

Irian Jaya Rainbowfish

March 13th, 2012 — 1:22pm
JJPhoto

This beautiful rainbow is not often seen in the hobby. It can be identified by the fact that the middle rays in the dorsal and anal fins are longer than the other fin rays. This feature is usually associated with the closely-realated Glossolepis genus of rainbowfish….

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Melanotaenia lacustris

Lake Kutubu Rainbowfish

March 13th, 2012 — 1:22pm
JJPhoto

Unfortunately the prisitine environment form where this fish comes is being threatened by overfishing (much of it for the aquarium trade) and industry, with an oil development being built at one end of the lake during the 1990s. M. lacustris has therefore been given "vulnerable" status on the IUCN red list. The lake was designated a Wetland of International Importance in 1998, as both it and the Kikori Basin where it lies contain some of the earth's greatest biodiversity in terms …

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