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Robb's synodontis (Synodontis robbianus) — Mochokidae

Robb's synodontis

Synodontis robbianus
Family: Mochokidae

The Robb's synodontis (Synodontis robbianus) is a freshwater fish of the family Mochokidae that grows up to 11 cm.

Length
10.5 cm
Water
Freshwater
Diet
Omnivore
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Venomous / poisonous
Range
Africa: Nigeria

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Description

The Robb's synodontis is an African synodontis catfish (Mochokidae) from fresh water of the lower Niger in West Africa. The species grows to about 14 cm and has a stocky body with a bony head, three pairs of barbels and stout, serrated dorsal and pectoral spines that lock upright. The smaller body is red-brown with fine dark spots. As a nocturnal bottom-dweller it searches for insect larvae, molluscs, algae and detritus; some species like to swim upside down. The fin spines carry a mild venom and can give a painful puncture wound.

Frequently asked questions

How do you recognise the Robb's synodontis?

The Robb's synodontis has an elongate, eel-like body, is mainly brown and shows a spots pattern. Bears venomous spines or tissue; handle with great care.

Where does the Robb's synodontis live?

The Robb's synodontis lives in fresh water and is mostly found around mixed bottom. Africa: Nigeria

How big does the Robb's synodontis get?

The Robb's synodontis grows to a maximum of about 11 cm.

Is the Robb's synodontis dangerous to humans?

The Robb's synodontis is venomous — handle spines with care and seek medical help after a sting if needed. For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status.

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All data

Identification

English name
Robb's synodontis sourced
Scientific name
Synodontis robbianus
Family
Mochokidae

Appearance

Size class
Small verified
Max length (cm)
10.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Forked inferred
Barbels
Yes sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Africa: Nigeria sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Bears venomous spines or tissue; handle with great care. inferred

For anglers

Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Venomous / poisonous verified
First aid
For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status. sourced

Status & sources

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

Same genus Synodontis

More from the family Mochokidae

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