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FishadvancedBrackish

Mudskipper

Periophthalmus barbarus

AnimaliaChordataActinopterygiiGobiidae

📍 West Africa (mangrove estuaries)

Ask Finn

Extraordinary amphibious goby that spends most of its time out of water, breathing through moist skin and skipping across mud. Requires a paludarium (half water, half land) setup.

Size6"
Min Tank30g
semi-aggressive
Zonetop

Care Guide

Diet

Mudskippers are carnivorous and require live or frozen prey such as bloodworms, brine shrimp, small insects, and mosquito larvae. Feed 2-3 times weekly, offering portions they can consume in 5-10 minutes. Supplement occasionally with high-quality carnivore pellets, though live prey is strongly preferred and essential for optimal health.

Behavior

Mudskippers are highly terrestrial and spend most of their time out of water, using their pectoral fins to skip and crawl across mud and land. They are semi-aggressive and territorial, especially toward conspecifics, and require substantial above-water space to exhibit natural behaviors. They are most active during low tide periods and may be inactive during high water phases.

Breeding

Breeding mudskippers in captivity is extremely difficult and rarely successful in home aquaria. They require specific tidal conditions, burrow systems in mud, and complex behavioral triggers that are nearly impossible to replicate. No reliable breeding protocols exist for hobbyists; captive specimens are typically wild-caught.

Common Diseases

Skin Infections (Fungal/Bacterial)

Symptoms

Visible lesions, discoloration, or fuzzy growth on skin; lethargy; reluctance to leave water

Treatment

Maintain pristine water quality and dry land areas; treat with aquarium salt (1-2 tsp per gallon) and ensure proper humidity; severe cases may require antibiotic treatment

Dehydration

Symptoms

Dull coloration, sluggish movement, wrinkled skin appearance, excessive time in water

Treatment

Ensure land area remains consistently moist but not waterlogged; mist substrate regularly; provide proper humidity levels (70-80%)

Parasitic Infections

Symptoms

Excessive scratching against surfaces, visible spots or worms, weight loss, lethargy

Treatment

Perform partial water changes; treat with brackish-water-safe parasite medication; quarantine if possible

Poor Water Quality Stress

Symptoms

Loss of appetite, color fading, gasping behavior, increased disease susceptibility

Treatment

Perform 25-30% water changes weekly; maintain proper salinity (SG 1.005-1.010); ensure adequate filtration and aeration

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Quick Facts

pH
7.5–8.5
diet
insects/live prey
maxSize
6 inches
salinity
SG 1.005–1.010
minTankSize
40 gallons paludarium
temperature
75–86°F (24–30°C)

Temperature

75–86°F

24–30°C

Stats

Community tips0
Kept by0 hobbyists