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Nothobranch killifish (Nothobranchius janpapi) — Nothobranchiidae

Nothobranch killifish

Nothobranchius janpapi
LC · Least Concern

The Nothobranch killifish (Nothobranchius janpapi) is a freshwater fish of the family Nothobranchiidae that grows up to 5 cm.

Length
4.5 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Small groups
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
East Africa; small pools and swamps of floodplains.
Edibility
Not eaten

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Description

The blue nothobranch is a seasonal killifish (Nothobranchiidae) from East Africa. The species is small; males are handsomely blue-coloured with reddish fin margins. It lives in small pools and swamps of floodplains and stays just below the water surface. It is a typical annual killifish: the adults die when their pool dries out, while the eggs laid on the bottom go through a dry resting phase of several months and hatch only when the rains refill the pool. It feeds on small zooplankton and insect larvae. The species is harmless to humans.

Frequently asked questions

How do you recognise the Nothobranch killifish?

The Nothobranch killifish has a torpedo-shaped body, is mainly blue and shows a plain pattern. Seasonal killifish; the eggs survive the dry season on the pool bottom and hatch with the rains.

Where does the Nothobranch killifish live?

The Nothobranch killifish lives in fresh water and is mostly found around mixed bottom. East Africa; small pools and swamps of floodplains.

How big does the Nothobranch killifish get?

The Nothobranch killifish grows to a maximum of about 5 cm.

Is the Nothobranch killifish dangerous to humans?

No, the Nothobranch killifish is harmless to humans. None required: this species is harmless to humans.

Is the Nothobranch killifish edible?

The Nothobranch killifish is not usually eaten.

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All data

Identification

English name
Nothobranch killifish sourced
Scientific name
Nothobranchius janpapi
Family
Nothobranchiidae

Appearance

Size class
Small verified
Max length (cm)
4.5 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Blue inferred
Pattern
Plain inferred
Tail shape
Rounded inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
East Africa; small pools and swamps of floodplains. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small zooplankton and insect larvae sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Seasonal killifish; the eggs survive the dry season on the pool bottom and hatch with the rains. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Nothobranchius

More from the family Nothobranchiidae

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