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Sarasin's ricefish (Oryzias sarasinorum) — Adrianichthyidae

Sarasin's ricefish

Oryzias sarasinorum

The Sarasin's ricefish (Oryzias sarasinorum) is a freshwater fish of the family Adrianichthyidae that grows up to 8 cm.

Length
8 cm
Water
Freshwater
Behaviour
Schooling
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
Asia: Indonesia

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Description

The Sarasin's ricefish is a ricefish or medaka (Adrianichthyidae) from shallow, slow-flowing fresh water of Lake Lindu on Sulawesi in Indonesia. The species grows to about 3 cm and has a slender, semi-translucent, silvery body with a flat head, an upturned mouth and large, high-set eyes. As a surface fish it swims in schools in rice paddies, ditches and pools and snaps at small zooplankton and mosquito larvae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Sarasin's ricefish?

The Sarasin's ricefish has an elongate, eel-like body and is mainly silver-grey.

Where does the Sarasin's ricefish live?

The Sarasin's ricefish lives in fresh water and is mostly found around open water. Asia: Indonesia

How big does the Sarasin's ricefish get?

The Sarasin's ricefish grows to a maximum of about 8 cm.

Is the Sarasin's ricefish dangerous to humans?

No, the Sarasin's ricefish 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

Sarasin's ricefish (Oryzias sarasinorum) — Adrianichthyidae — 2
iNaturalist ((c) Ariyo Prasetyo, some rights reserved (CC BY-NC))
Sarasin's ricefish (Oryzias sarasinorum) — Adrianichthyidae — 3
iNaturalist ((c) fachrynurmallojr, some rights reserved (CC BY-NC))
Sarasin's ricefish (Oryzias sarasinorum) — Adrianichthyidae — 4
Wikimedia Commons — Guérin Nicolas (messages) (CC BY-SA 3.0)
Sarasin's ricefish (Oryzias sarasinorum) — Adrianichthyidae — 5
iNaturalist ((c) isjo, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Sarasin's ricefish sourced
Scientific name
Oryzias sarasinorum
Family
Adrianichthyidae
Other names
Sarasins minnow sourced

Appearance

Size class
Small verified
Max length (cm)
8.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Rounded inferred
Mouth position
Superior (upward) sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Natural range
Asia: Indonesia sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Schooling sourced
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No 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

Same genus Oryzias

More from the family Adrianichthyidae

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