Yellowtail Damselfish

Yellowtail Damselfish

Chrysiptera parasema

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Min Tank Size

20 gal

Max Size

2.8"

Temperature

75–79°F

pH Range

8.1–8.4

Lifespan

5-10 years

Diet

Omnivore

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Overview

The Yellowtail Damselfish (Chrysiptera parasema) is a beginner saltwater species known for its blue, yellow tail coloration. Blue body. Mid.

Origin & Appearance

Origin: Western Pacific.

Colors: Blue, Yellow tail.

Body Shape: Deep Fusiform (oval/robust). Typical adult dimensions: 7.0 x 1.4 x 2.8.

Sexual Dimorphism: Minimal.

Tank & Water Requirements

Min Tank Size20 gallons
Temperature7579°F
pH Range8.18.4
Water Hardness (GH)dKH 8-12
Bioloadlow
Oxygen Demandlow
Plant Safeyes
Aquarium PositionMid

Behavior & Activity

Moderate reef swimmer; less aggressive than most damsels; cruises in open water near reef; moderate schooling

Speed: 42/100Aggression: 6/10diurnal

Breeding

Moderate; egg depositor on rock

Common Diseases

💊 Hardy

Expert Notes

Blue body; yellow tail; relatively peaceful

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