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Cleft-lip goby (Sicydium crenilabrum) — Gobiidae

Cleft-lip goby

Sicydium crenilabrum
Family: Gobiidae
LC · Least Concern

The Cleft-lip goby (Sicydium crenilabrum) is a freshwater fish of the family Gobiidae that grows up to 8 cm.

Length
8.1 cm
Water
Freshwater
Diet
Herbivore
Behaviour
Small groups
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Freshwater of West Africa; fast-flowing, rocky river sections.
Edibility
Rarely eaten

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Description

The cleft-lip goby is a goby (Gobiidae) from the fresh waters of West Africa. The species has a stocky body with an inferior, crenelated-lipped mouth and fused pelvic fins forming a sucking disc. It is amphidromous: the larvae wash out to sea and the young return to ascend the river, climbing rapids and even wet rock faces with their sucker. It inhabits fast-flowing, rocky river sections, where it scrapes algae and diatoms from stones with its lips. The species is harmless to humans.

Frequently asked questions

How do you recognise the Cleft-lip goby?

The Cleft-lip goby has an elongate, eel-like body, is mainly brown and shows a plain pattern. Amphidromous; climbs rapids and wet rocks with a ventral sucker; algae scraper.

Where does the Cleft-lip goby live?

The Cleft-lip goby lives in fresh water and is mostly found around sand or mud bottom. Freshwater of West Africa; fast-flowing, rocky river sections.

How big does the Cleft-lip goby get?

The Cleft-lip goby grows to a maximum of about 8 cm.

Is the Cleft-lip goby dangerous to humans?

No, the Cleft-lip goby is harmless to humans. None required: this species is harmless to humans.

Is the Cleft-lip goby edible?

The Cleft-lip goby is rarely eaten.

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All data

Identification

English name
Cleft-lip goby sourced
Scientific name
Sicydium crenilabrum
Family
Gobiidae

Appearance

Size class
Small verified
Max length (cm)
8.1 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Plain inferred
Tail shape
Rounded inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Freshwater of West Africa; fast-flowing, rocky river sections. inferred
Origin
Native sourced

Behaviour & biology

Diet
Herbivore sourced
Diet (detail)
Algae and diatoms, scraped from stones sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Amphidromous; climbs rapids and wet rocks with a ventral sucker; algae scraper. sourced

For anglers

Edibility
Rarely eaten sourced
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
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 Sicydium

More from the family Gobiidae

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