Ring Eyed Dottyback

Pseudoplesiops typus

Saltwater Fish Species Group: Dottybacks Family: Pseudochromidae

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Water parameters

Temp 76-80 F Temperature

Maintaining a stable and appropriate temperature is critical for the survival of aquatic life.

pH 7.8 - 8.4 potential of Hydrogen

Measuring the acidity or alkalinity of water on a 0–14 scale, where 7 is neutral, 7 is alkaline.

NO3 1-20 ppm Nitrate

While less toxic than ammonia, high nitrate levels (above 40–80 ppm) are important to monitor because they can cause fish stress, stunted growth, and harmful algae blooms.

NO2 <0.0001 ppm Nitrite

It is a highly toxic, intermediate compound in the nitrogen cycle produced from broken-down ammonia

PO4 0.01 - 0.1 ppm Phosphate

It is essential for plant development but must be managed, as excess levels trigger nuisance algae blooms and inhibit coral calcification.

NH3 <0.1 ppm Ammonia

It is the primary killer of aquarium fish, causing gill damage, stress, and death

Ca 380 - 450 ppm Calcium

Supporting the growth, skeletal structure, and shell formation of corals, mollusks, crustaceans, and coralline algae

KH 8 - 12 dKH Alkalinity

It acts as a shield, neutralizing acids to prevent dangerous pH "crashes" that can harm fish, corals, and plants.

Mg 1200 - 1400 ppm Magnesium

It enables coral growth by supporting skeletal formation, assists in metabolic processes, and ensures that calcium is available for corals, clams, and coralline algae.

SG 1.023 - 1.026 SG Salinity

Essential for maintaining stable, natural water parameters, proper osmoregulation, and stress-free environments for marine fish and corals

ORP 250 - 400 mV Oxidation-Reduction Potential

A higher positive mV indicates clean, oxygen-rich water with high water quality, while low readings indicate high pollution.

About Ring Eyed Dottyback

General information

The Ring Eyed Dottyback is a distinct sexual dichromatism, male specimens are predominantly pinkish red, while females are paler pink with gradations of yellow-green where the dorsal, caudal, and anal fins meet the body. It's notoriously secretive, the Ring Eyed Dottyback inhabits crevices within reef faces and lagoons at depths of 20 to 30 feet. In the aquarium, they will mostly hide in the rockwork, but will occasionally dash out from cover to snag pieces of food once fully acclimated. While not too aggressive to other tankmates, the Ring-Eyed Dottyback may pick on smaller, passive species such as nano gobies in small aquariums. It's best to keep only one per tank unless the aquarium is quite large.

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