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Down arrow Cat-eLog Data Sheet
Scientific Name Bagroides melapterus  Bleeker, 1851
Common Name Harlequin Lancer
Type Locality Bandjarmasin, southern Kalimantan, Borneo, Indonesia.
Synonym(s) Bagroides melanopterus
Pronunciation bag ROY dees - mel APP terr uss
Etymology Bagroides: From bagrus, the name of a catfish genus frequently used to form generic names and the Greek suffix -oides, denoting likeness. 
Down arrow Species Information
Size 340mm or 13.4" SL. Find near, nearer or same sized spp.
Identification Oft misidentified in hobbyist literature as either Leiocassis micropogon or L. poecilopterus. L. micropogon is a considerably slender fish, the distance from the base of the dorsal fin to the base of the ventral can be nearly half that of B. melapterus although this is not the best characteristic as it varies considerably amongst individuals. The best pointer is the very faint lateral stripe. L. poecilopterus is more similar but has near vertical barring and only a thin lateral chalk stripe. In B. melapterus this line is typically as wide as the fishes eye and much more noticeable.
Sexing Unknown
Down arrow Habitat Information
Distribution Asia: Thailand, Malaysia, Brunei and Indonesia.
Thailand Waters (click on these areas to find other species found there)
Pacific, Greater Sunda Island Rivers, Borneo Waters (click on these areas to find other species found there)
Pacific, Greater Sunda Island Rivers, Sumatra Waters (click on these areas to find other species found there)

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IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2018.
pH 6.0 - 7.0
Down arrow Husbandry Information
Breeding Unreported.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Natuurkundig Tijdschrift voor Nederlandsch Indië v. 2 (no. 2), pp 204.
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Last Update 2020 Sep 19 05:37 (species record created: 2001 Dec 16 00:00)