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Mudskipper
Periophthalmus barbarus
Animalia›Chordata›Actinopterygii›Gobiidae
📍 West Africa (mangrove estuaries)
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.
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.
Tank Mates
Peaceful scavenger that won't compete for terrestrial space; tolerates brackish conditions
Hardy brackish-water snail that occupies different ecological niche
Similar brackish habitat but may compete for space; monitor for aggression
Brackish-tolerant goby; keep only if paludarium is large enough to prevent territorial conflicts
Common Diseases
Skin Infections (Fungal/Bacterial)
Visible lesions, discoloration, or fuzzy growth on skin; lethargy; reluctance to leave water
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
Dull coloration, sluggish movement, wrinkled skin appearance, excessive time in water
Ensure land area remains consistently moist but not waterlogged; mist substrate regularly; provide proper humidity levels (70-80%)
Parasitic Infections
Excessive scratching against surfaces, visible spots or worms, weight loss, lethargy
Perform partial water changes; treat with brackish-water-safe parasite medication; quarantine if possible
Poor Water Quality Stress
Loss of appetite, color fading, gasping behavior, increased disease susceptibility
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