Cat-eLog Right Arrow Callichthyidae Right Arrow Callichthyinae Right Arrow Dianema

Jump to next section Cat-eLog Data Sheet
Scientific NameDianema urostriatum  (Miranda-Ribeiro, 1912)
Common NamesFlag Tail Porthole Catfish
Flag Tail Hoplo, Flagtail Catfish, Halestribet Pansermalle (Denmark), Schwielenwels (Germany)
Type LocalityManaus, Amazonas, Brazil.
Synonym(s)Decapogon urostriatum
Pronunciationdie ah NEE mah - you row stree at ah
EtymologyDianema: From the Greek di-, meaning two and nema, meaning filament; in reference to the long maxillary barbels. 
Jump to next section Species Information
Size 125mm or 4.9" SL. Find near, nearer or same sized spp.
IdentificationHorizontal black / white alternating stripes on tail fin, the only other member of the genus has a clear caudal fin and is generally smaller.
SexingFemales are more heavily bodied than males.
Jump to next section Habitat Information
DistributionBrazilian rivers, creeks and pools.
Amazon (click on these areas to find other species found there)
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pH6.0 - 8.0
Temperature25.0-28.0°C or 77-82.4°F (Show species within this range)
Other ParametersSomewhat fussy, this fish should be acclimatized in slightly soft water, pH around 6.0 - 6.5. One settled is much more accommodating.
Jump to next section Husbandry Information
FeedingWill take a variety of prepared foods, flake and frozen, for maintenance.
FurnitureCaves (rock or pipe), plants are often used as resting places in mid-water.
CompatibilityVery docile fish, mid-water swimmer; an ideal larger catfish for the community aquarium.
BreedingPossible. Must feed live foods and run through dry season / wet season cycle. Eggs attached to floating cover, placed in circular grouping similar to Corys with similarly sized eggs. No bubble nest was present at time of spawning.
Jump to next section Further Information
ReferencesMatto-Grosso Annexo no. 5 - pp15
Registered Keepers(1) daniel60 (k: 3), (2) lordotterby, (3) Barracuda518 (k: 10), (4) icekiki, (5) Walter, (6) hoplo (k: 10), (7) reneb (k: 2), (8) Daragh (k: 5), who also notes: "Feb 08 from I Fuller at Coxwell Aquatics in Telford.", (9) Suckermouth (k: 2), (10) Bartman, (11) PhiltheNelson, (12) jollysue (k: 6), (13) MatsP (k: 6), who also notes: "Got a group of 5 from Aqualife. Because one looked a bit "weird", they found a single specimen from another tank and added as "spare". ", (14) djinn75, (15) SoCalDiscus, (16) tcmfish (k: 3), (17) panaque (k: 3), (18) Kampfer, (19) mgamer20o0, (20) Cory_lover (k: 3), (21) naturalart (k: 3), who also notes: "This is an excellent fish. Mine ate just about anything. I wouldn't get them too excited thought. They can be lighting quick!", (22) Madding, who also notes: "Enjoys sitting perched high in the tank for long periods of time. Gets along with my Hoplo cat, but is more shy overall.", (23) markhinch, (24) syno321, (25) Donald (k: 9), (26) Harry94 (k: 2), (27) arapaimag (k: 3), (28) snowball (k: 4), (29) Dee (k: 2), (30) Bas Pels (p: 2, k: 2), (31) flipperfeet (k: 2), (32) Akronsbiggest (k: 4), (33) Jass, (34) wardtimothy, (35) redwood (k: 8), (36) miguel mitchel, (37) Csababá (p: 2), (38) GreenSynoMan, (39) kvnbyl (k: 3), (40) benma (k: 3), (41) cowturtle, (42) Peixes (k: 2), (43) dmcat, (44) WadeNCreeks, (45) BMS (k: 5), who also notes: "I'm finding these catfish to be very peaceful. Mine are fairly active, which is likely because I have five of them in the same tank. Other keepers report that activity increases when multiple specimens are housed in the same tank. So far I definitely agree!".

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Breeding Reports(1) snowball (b: 16).
Article - Shane's World Reproduction Notes on a spawning of Dianema urostriata
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Last Update2013 Jul 19 16:05 (species record created: 2001 Apr 21 00:00)