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Pinima rivulus (Melanorivulus pinima) — Rivulidae

Pinima rivulus

Melanorivulus pinima
Family: Rivulidae

The Pinima rivulus (Melanorivulus pinima) is a freshwater fish of the family Rivulidae that grows up to 3 cm.

Length
3 cm
Water
Freshwater
Diet
Carnivore
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
South America: Brazil

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Description

The Pinima rivulus is a small killifish (Rivulidae) from shallow pools, streams and swamps of inland Brazil in South America. The species grows to about 4 cm and has a slender body; the male is brightly coloured with blue, yellow and red spots and lines. As a bottom-oriented fish of calm, often temporary water it snaps at insects, larvae and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Pinima rivulus?

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

Where does the Pinima rivulus live?

The Pinima rivulus lives in fresh water and is mostly found around open water. South America: Brazil

How big does the Pinima rivulus get?

The Pinima rivulus grows to a maximum of about 3 cm.

Is the Pinima rivulus dangerous to humans?

No, the Pinima rivulus 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.

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All data

Identification

English name
Pinima rivulus sourced
Scientific name
Melanorivulus pinima
Family
Rivulidae

Appearance

Size class
Small verified
Max length (cm)
3.0 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
Natural range
South America: Brazil sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Diet (detail)
Small fishes, crustaceans and invertebrates inferred
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
Yes inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. 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
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 Rivulidae

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