Pectoral Fin Spot Ricefish

Oryzias pectoralis

Pectoral Fin Spot Ricefish is a peaceful middle-to-top swimmer.

peacefulMiddle to top swimmerBeginner – Intermediate

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Quick facts

Adult size: ≤ 1.2" (≤ 3 cm)
Care level: Beginner – Intermediate
Temperament: peaceful
Swimming zone: Middle to top swimmer
Temperature: 72–82°F (22–28°C)
pH: 6.5–8
GH: 8–20 dGH
Diet: Omnivore
Lifespan: up to 4 years

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 4 years.

Water parameters

Suitable water: temperature 22–28 °C, pH 6.5–8, GH 8–20 dGH.

Temperament and compatibility

Pectoral Fin Spot Ricefish is peaceful and suits calm community fish.

Swimming zone and behavior

This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.

Feeding

Provide suitably small prepared foods; importer reports readily accepting these.

How to feed aquarium fish — General freshwater community guidance

Before adding this fish

Avoid aggressive or highly competitive fish.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Laos, Vietnam.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

Adonis Tetra Lepidarchus adonis Similar care level Same temperament Same swimming zone Intermediate ≤ 1.2" (≤ 3 cm) 72–79°F (22–26°C) Barred Pencilfish Nannostomus espei Similar care level Same temperament Same swimming zone Beginner – Intermediate ≤ 1.2" (≤ 3 cm) 72–82°F (22–28°C) African Glass Catfish Pareutropius debauwi Similar care level Same temperament Bottom dweller Intermediate – Advanced ≤ 3.9" (≤ 10 cm) 72–81°F (22–27°C) African Spottail Tetra Brachypetersius altus Similar care level Same temperament Same swimming zone Beginner – Intermediate ≤ 2.6" (≤ 6.5 cm) 75–79°F (24–26°C) Ajamaru Rainbowfish Melanotaenia ajamaruensis Similar care level Same temperament Same swimming zone Beginner – Intermediate ≤ 3.8" (≤ 9.7 cm) 81–86°F (27–30°C) Anus Spot Lampeye Killifish Poropanchax stigmatopygus Similar care level Same temperament Same swimming zone Intermediate ≤ 0.9" (≤ 2.4 cm) 72–79°F (22–26°C)

FAQ

How large does Pectoral Fin Spot Ricefish get?

Pectoral Fin Spot Ricefish reaches ≤ 1.2" (≤ 3 cm).

Is Pectoral Fin Spot Ricefish peaceful?

Yes. Pectoral Fin Spot Ricefish is generally peaceful. Choose calm companions that won’t harass it or crowd it out at feeding time.

What temperature is suitable for Pectoral Fin Spot Ricefish?

Keep it between 22 to 28 °C.