Travancore Batasio
Batasio travancoria
A small, feisty hill stream catfish from India's lush Western Ghats.

About
The Travancore Batasio (Batasio travancoria) is a compact catfish from the hill streams and river lowlands of Kerala, tucked into the biodiverse Western Ghats of southwestern India. It's one of only two Batasio species native to this corner of the subcontinent, and you can tell it apart from its close relative by the dark midlateral stripe running along its flanks and a somewhat smudgy spot just behind the gill cover. Features its near neighbor B. sharavtiensis completely lacks. The body is laterally compressed, typical of the genus, and the head carries large sensory pores that hint at its life moving through fast-moving water. Despite the aggressive and territorial tags this species sometimes carries, it is not especially combative in practice. The main thing to avoid is housing it with larger, pushy fish that will outcompete it. A group kept with similarly sized, peaceful schooling fish works well, and smaller hillstream catfishes or balitorid loaches make naturalistic and compatible tankmates. Breeding has been pulled off in captivity, apparently triggered by substantial cool water changes once the fish are in good condition, with eggs scattered freely and hatching within a couple of days. It's a manageable choice even for less experienced keepers willing to match its water flow and quality needs.
Similar species
Other fish you might consider
Good tank mates
Species that tend to coexist peacefully with Travancore Batasio
From the same region
Share the same natural habitat. Great for a biotope-themed tank
Frequently asked questions
- How big does the Travancore Batasio get?
- The Travancore Batasio reaches about 2.5–4" as an adult.
- What size tank does the Travancore Batasio need?
- A minimum of 29 gallons is recommended for the Travancore Batasio, with more room needed for a proper group.
- What water parameters does the Travancore Batasio need?
- The Travancore Batasio does best with a temperature of 64–77°F, a pH of 6–7, hardness around 2–12 dGH.
- Is the Travancore Batasio aggressive?
- The Travancore Batasio is generally peaceful and suits a community tank with similarly calm tankmates.