bam Advanced/Expert level

Nethravathi River, Mangalore, Karnataka, India

Sponsored by

India, Karnataka, Dakshina Kannada

This set-up tank represents the Nethravathi River basin in Karnataka, part of the Western Ghats – one of the world’s most important biodiversity hotspots. The layout mimics the natural habitat using authentic rocks sourced from the basin itself, aiming to raise awareness of the region’s rich but threatened freshwater life.

Featured Species: Canara Pearlspot Cichlid Etroplus canarensis. Also known as the Roman Numeral Cichlid, this striking species displays unique body patterns resembling Roman numerals like “VX” or “XII”, which shift subtly with light and individual variation. Endemic to the Kumaradhara and Nethravathi river systems, these cichlids are critically endangered due to habitat loss and collection for the aquarium trade. They are elusive in the wild and highly valued by conservationists Tank size is 1.2m length 0.3m height and 0.3m width with water volume around 141L.

Submitted by
Dhiraj Shetty
Approved by
Hans-Georg Evers & Friedrich Bitter
GPS
12.8553448, 74.9106445
Geographical region
Southern Asia
Drainage Basin
Arab Sea
River catchment
Nethravathi River
Water body type
River
Water body name
Nethravathi river
Water body part
Open water
Water body course
Lower course
Water body: tributary of
River
Tributary name
Nethravathi

Videos above and below water


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Water Chemistry

Water information

Water type
fresh-water
Water color
Clear water
Water transparency
High
Concentration of sediments
Medium
Water temperature
°C
Water flow/curent
Slow

Chemical parameters

pH
7.5
Conductivity
GH
dGH
KH
dKH
Dissolved Oxygen

Aquarium information

Aquarium description

Set-up date
March, 2025
Aquarium decoration

All the items are locally sourced from Nethravathi river basin including rocks woods and river sands.

Aquarium equipment
  • Sunsun internal filter JP24 and Sunsun external filter 304b.
  • Lights used are the focus light 2Watts and 3Watts.
Fish care

Regular water change and feeding them high quality feed.

Plant care
Water care

Regular water change 50% water change every week.

Dimensions

Length
121.92 cm
Depth
30.48 cm
High
38.1 cm
Volume
141.58 L

Substrate in aquarium

Sand
Beige
Pebble/Gravel
Beige
Stone
Orange
Stone form
Irregular
Silt/Mud
None
Leaves
Few
Driftwood
Many
Submerged terrestrial vegetation
None