Can Florida Flagfish and Senegal Bichir Live Together?

🟡Possible with Caution

Keeping Florida Flagfish and Senegal Bichir together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 240 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Florida Flagfish

Jordanella floridae

Senegal Bichir

Polypterus senegalus

🐠Family Group
Florida Flagfish
Killifish
Senegal Bichir
Oddballs
Temperament
Florida Flagfish
Semi-Aggressive (5/10)
Senegal Bichir
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Florida Flagfish
18–26°C
Senegal Bichir
25–29°C
pH Range
✓ Compatible
Florida Flagfish
6.5–8.5
Senegal Bichir
6.2–7.8
Hardness (dGH)
✓ Compatible
Florida Flagfish
10–25
Senegal Bichir
5–20
Water Type
✓ Compatible
Florida Flagfish
Brackish Tolerant
Senegal Bichir
Freshwater Only
Flow Preference
✓ Compatible
Florida Flagfish
Low
Senegal Bichir
Low
Min Tank Volume
Combined: 240 L
Florida Flagfish
75 L
Senegal Bichir
200 L
Swimming Level
Shared: 1 zone
Florida Flagfish
MiddleBottom
Senegal Bichir
Bottom
🏷️Behavior Tags
Florida Flagfish
Fin NipperAggressive to same species/look-alikesHyperactive / Fast SwimmerTerritorial (Defends specific area)
Senegal Bichir
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorJumper (Lid Required)Nocturnal

Behaviour & Temperament

Florida Flagfish is a moderately assertive species (5/10), while Senegal Bichir is moderately assertive (6/10). This modest difference means Senegal Bichir may occasionally assert dominance over Florida Flagfish.

Florida Flagfish and Senegal Bichir both frequent the Bottom (Substrate) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Worth noting: Senegal Bichir is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Senegal Bichir is a known jumper, so a tight-fitting lid is essential.

To improve the chances of a peaceful coexistence in this community tank: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both Florida Flagfish and Senegal Bichir to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations. Keep fin nippers in larger groups to distribute nipping behaviour among conspecifics rather than tank mates.

Water Parameters

The safe temperature window for both species falls between 25°C and 26°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 and 7.8. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 10–20 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.

Tank Setup

To house Florida Flagfish and Senegal Bichir together, plan for an aquarium of at least 240 litres with a minimum length of 120 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Established Algae (Otocinclus), Plants - Densely covered, Sand (Sifters), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding). Meeting these requirements will help both species thrive.

Both species do well with low (still water) water movement, so a standard filtration setup rated for the tank volume should suffice.

Find the right tank equipment

Browse tanks, décor, and equipment suited for this setup.

Frequently Asked Questions

Can Florida Flagfish and Senegal Bichir live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 240 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Florida Flagfish and Senegal Bichir need?

A minimum of 240 litres (tank length at least 120 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Florida Flagfish and Senegal Bichir together?

Keep the aquarium between 25°C and 26°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.

Are Florida Flagfish or Senegal Bichir aggressive?

Florida Flagfish is moderately assertive (5/10) and Senegal Bichir is moderately assertive (6/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Florida Flagfish and Senegal Bichir need?

Both species overlap in the 6.5–7.8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Florida Flagfish nip Senegal Bichir's fins?

Florida Flagfish is a known fin nipper. If Senegal Bichir has long or flowing fins, there is a real risk of fin damage. Keeping Florida Flagfish in a larger group can help redirect nipping behaviour toward conspecifics.

How do I manage Florida Flagfish's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Florida Flagfish space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Does Senegal Bichir being nocturnal affect compatibility?

Senegal Bichir is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Senegal Bichir during evening hours.


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