
Toothpick Fish
Indostomus paradoxus
The Toothpick Fish (Indostomus paradoxus) is a tropical freshwater fish of the family Indostomidae. It swims in midwater, close to the bottom. It grows to 3 cm (standard length, tail fin excluded). The IUCN Red List rates it Least Concern. In the aquarium it is kept at 22–27 °C.
- Size
- 3 cmstandard length, tail fin excluded
- Temperature
- 22–27 °C
- pH
- 6.5–7.5
- Tank footprint
- 40 × 20 cm
In the aquarium
Temperature22–27 °C
pH6.5–7.5
Hardness2–12 °dGH
In the wild
- Water type
- Freshwater
- Climate zone
- Tropical
- Habitat
- Midwater, close to the bottom
- Aquarium trade
- Traded commercially
Conservation status
Classification
- OrderGasterosteiformes
- FamilyIndostomidae
- GenusIndostomus
- SpeciesIndostomus paradoxus
Quick answers
- Toothpick Fish size: how big does it get?
- It grows to 3 cm (standard length, tail fin excluded).
- Toothpick Fish tank size: what is the minimum?
- A tank with a footprint of at least 40 × 20 cm.
- Toothpick Fish water parameters: what does it need?
- Temperature 22–27 °C, pH 6.5–7.5, hardness 2–12 °dGH.
- Toothpick Fish: is it endangered?
- The IUCN Red List rates it Least Concern.
Related species
Sources
The figures on this page are compiled from the references below.

