Denison Barb (Roseline Shark)

Denison Barb (Roseline Shark)

Sahyadria denisonii

An Indian barb with a red line over a black one and a yellow-and-black tail. Sold at 5 cm but grows to 12 cm and never stops swimming, so it needs a 120 cm tank. Likes current and well-oxygenated water.

Temp 16~26°CpH 6.5~7.8GH 5~20Adult 12 cmGroup 6+Min. tank 200 L · 120 cm+ longSwims middlePrice $4.29

How many fit in each tank?

The largest group where none died in 90 days. Tap water · black sand · bacteria starter on day 1 · fish added on day 10 · 25% weekly water changes.

30 cm cubeNot recommended — needs 200 L or more
45 cm standardNot recommended — needs 200 L or more
60 cm standardNot recommended — needs 200 L or more
90 cm standardNot recommended — needs 120 cm of length
120 cm standardNot recommended — too much waste to add at once — cycle longer and add in stages
120 cm large
6
Run a 120 cm large tank with 6 yourself →

Don’t keep with

The same rules the engine uses for tankmates.

Bullied by

Yoyo LoachAngelfishOscar

Water doesn’t match

Green Neon TetraChocolate GouramiDiscusGerman Blue RamElectric Yellow CichlidSaulosi Mbuna

Good tankmates

No eating or bullying either way, with plenty of overlap in temperature and pH. Fish that swim at a different level come first.

Weather LoachRoundtail Paradise FishMedaka (Rice Fish)Korean Native ShrimpOrange Dwarf Crayfish (CPO)Topmouth Gudgeon

The numbers on this page come from the Water Kiwoogi simulator model; real tanks can differ.