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Somalian cavefish (Phreatichthys andruzzii) — Cyprinidae

Somalian cavefish

Phreatichthys andruzzii
Family: Cyprinidae

The Somalian cavefish (Phreatichthys andruzzii) is a fish of the family Cyprinidae that grows up to 8 cm.

Length
8 cm
Diet
Omnivore
Activity
Diurnal
Substrate
Stone or rock
Danger
Harmless

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Description

The Somalian cavefish is a blind cave cyprinid (Cyprinidae) endemic to underground groundwater layers in Somalia, in the Horn of Africa. The species grows to about 8 cm and has a slender, almost pigmentless, pinkish-white body without eyes and with barbels. Adapted to millions of years of total darkness, it has even lost its day-night rhythm. As a bottom-dweller it probes the aquifer for organic matter and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Somalian cavefish?

The Somalian cavefish is mainly white.

Where does the Somalian cavefish live?

The Somalian cavefish is mostly found around stony or rocky ground.

How big does the Somalian cavefish get?

The Somalian cavefish grows to a maximum of about 8 cm.

Is the Somalian cavefish dangerous to humans?

No, the Somalian cavefish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

More photos

Somalian cavefish (Phreatichthys andruzzii) — Cyprinidae — 2
iNaturalist ((c) filippoceccolini, some rights reserved (CC BY-NC))
Somalian cavefish (Phreatichthys andruzzii) — Cyprinidae — 3
Wikimedia Commons — Hectonichus (CC BY-SA 3.0)
Fin

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All data

Identification

English name
Somalian cavefish sourced
Scientific name
Phreatichthys andruzzii
Family
Cyprinidae

Appearance

Size class
Small
Max length (cm)
8 sourced
Dominant colour
White sourced
Tail shape
Forked inferred
Barbels
Yes sourced

Habitat & distribution

Substrate
Stone or rock sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

More from the family Cyprinidae

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