Cat-eLog Right Arrow Bagridae Right Arrow Batasio

  • Batasio fluviatilis
Jump to next section Cat-eLog Data Sheet
Scientific Name Batasio fluviatilis  (Day, 1888)
Common Name
Type Locality Anin stream, near Weywoon [Wewun] 15°35'N, 97°43'E. Wagroo, Tenasserim, Myanmar.
Synonym(s) Batasio havmolleri, Mystus havmolleri, Mystus stigmaturus
Pronunciation bah tah see oh - floo vee ah till uss
Etymology The genus name comes from the local (Bengali) name of the fish (batasio or batashi). 
Jump to next section Species Information
Size 72mm or 2.8" SL. Find near, nearer or same sized spp.
Identification The bagrid genus Batasio Blyth comprises of small, laterally compressed catfishes distributed in South and Southeast Asia, diagnosed from its confamilials in having large sensory pores on the head, a narrow mental region, a pair of posteriorly-directed processes on the anterior part of vomer, a transversely-elongated bar-like entopterygoid, and the metapterygoid in close contact with the quadrate but free from the hyomandibular (Mo, 1991).

Easily distinguished by its pattern of a dark pre-dorsal bar and a spot below the middle of the adipose-fin base. Juvenile fish have a pattern of vertical bars.
Sexing Males have an elongate genital papilla in front of the anal fin.
Jump to next section Habitat Information
Distribution Malay Peninsula.
Pacific, Malaysia Waters, Peninsular Malaysia Waters (click on these areas to find other species found there)

Log in to view data on a map.
IUCN Red List Category Least Concern, range map and more is available on the IUCN species page. Last assessed 2019.
pH 6.0 - 7.0
Temperature 16.0-22.0°C or 60.8-71.6°F (Show species within this range)
Other Parameters Current preferred.
Jump to next section Husbandry Information
Feeding Shows a marked preference for live/frozen food.
Furniture Provide plenty of rocks as hiding places.
Compatibility Peaceful, somewhat delicate fish that should be kept in small groups of 3-4 individuals. Best kept in a well-oxygenated tank with a vigorous current. Ideal tankmates include balitorine loaches such as Homaloptera, and fast-swimming cyprinids such as Danio or Barilius .
Suggested Tankmates Peaceful Cyprinids like Puntius or Oreichthys and Balitorine loaches like Schistura or Nemacheilus species.
Breeding Has reproduced in the aquarium.
Breeding Reports There is no breeding report.
Jump to next section Further Information
Reference The fishes of India Suppl., pp 805.
Registered Keepers Keeping this species? Why not .
There are 5 registered keepers, view all "my cats" data.
Wishlists Love this species? Click the heart to add it to your wish list.
There is but a single wish to keep this species, see who wants what.
Spotters Spotted this species somewhere? Click the binoculars!
There are 6 records of this fish being seen, view them all.
More on Batasio fluviatilis
Look up Look up Batasio fluviatilis on
Look up Fishbase Look up Batasio fluviatilis on Fishbase
Get or print a QR code for this species profile, or try our LFS label creator.
Hits 10370 hits.
Last Update 2019 Sep 25 12:44 (species record created: 2002 Mar 05 00:00)