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Immaculate rivulus (Anablepsoides immaculatus) — Rivulidae

Immaculate rivulus

Anablepsoides immaculatus
Family: Rivulidae

The Immaculate rivulus (Anablepsoides immaculatus) is a freshwater fish of the family Rivulidae that grows up to 10 cm.

Length
9.5 cm
Water
Freshwater
Diet
Carnivore
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless

Description

The Immaculate rivulus is a killifish (Rivulidae) from shallow streams, pools and swamps of the Guianas in South America. The species grows to about 5 cm and has a slender, cylindrical body; males are brightly coloured with spots and coloured fin margins. As a bottom-oriented fish of calm, often oxygen-poor water it snaps at insects, larvae and small invertebrates; in drought it can briefly move across moist ground. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Immaculate rivulus?

The Immaculate rivulus has an elongate, eel-like body, is mainly multicoloured and shows a spots pattern.

Where does the Immaculate rivulus live?

The Immaculate rivulus lives in fresh water and is mostly found around open water.

How big does the Immaculate rivulus get?

The Immaculate rivulus grows to a maximum of about 10 cm.

Is the Immaculate rivulus dangerous to humans?

No, the Immaculate rivulus is harmless to humans.

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All data

Identification

Dutch name
Vlekloze killivis sourced
English name
Immaculate rivulus sourced
Scientific name
Anablepsoides immaculatus
Family
Rivulidae

Appearance

Size class
Small verified
Max length (cm)
9.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Multicoloured sourced
Pattern
Spots sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
Yes inferred

For anglers

Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Anablepsoides

More from the family Rivulidae

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