Will a Chainlink Moray eat my fish?

Generally, no, provided the fish are large enough. The Chainlink Moray is a crustacean specialist. However, very small, sleeping fish like tiny gobies or blennies might be swallowed opportunistically.

Can I keep a cleaner shrimp with this eel?

It is highly inadvisable. While some individual eels might tolerate a cleaner shrimp, crustaceans are their natural primary food source, and the shrimp is very likely to be eaten.

Why is my new moray eel refusing to eat?

Moray eels often go on feeding strikes when introduced to a new environment, sometimes lasting several weeks. As long as water parameters are good and it has a secure hiding place, remain patient and offer food via tongs every few days.

Do I really need a tight lid?

Absolutely. Moray eels are incredibly strong and determined escape artists. A heavy, tightly fitted lid with all gaps sealed is mandatory to prevent them from slithering out onto the floor.

How often should I feed an adult Chainlink Moray?

Adults only need to be fed two to three times a week. Overfeeding can lead to poor water quality and dangerous fatty liver disease in the eel.

MarineMarineIntermediate

Chainlink Moray

Echidna catenata

A strikingly patterned, crustacean-hunting moray eel that requires secure housing and large, robust tank mates.

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Ideal Conditions

Temperature: 22 – 26 °C
pH range: 8.1 – 8.4
Hardness: 8 – 12 dGH
Salinity: 1.02 – 1.025 SG
Adult size: 70 – 100 cm
400L minimum for an adult, though larger is highly recommended: 400 litres+
Lifespan: 10 – 15 years
Diet: Carnivore (crustacean specialist)
Water flow: Moderate
Preferred setup: Extensive rockwork forming deep, stable caves; tight-fitting and weighted lid is mandatory.

About the Chainlink Moray

The Chainlink Moray (Echidna catenata) is a captivating marine species renowned for its bold, reticulated pattern that resembles yellow chains cast across a dark background. Unlike fish-eating morays, it belongs to a genus characterised by blunt, pebble-like teeth adapted specifically for crushing the hard shells of crabs and shrimp. While mostly nocturnal in the wild, they often become bold and active during feeding times in captivity. Their unique hunting specialisation and striking appearance make them highly sought-after centrepieces for large predator or fish-only aquariums.

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Is it right for your tank?

Check Chainlink Moray against a habitat you already keep. We compare water type, temperature, pH, adult size, group needs and everything living there.

Where Chainlink Moray comes from

Native range

Western Atlantic, Caribbean Sea, Gulf of Mexico, Eastern Atlantic

Countries / regions

United States, Bahamas, Brazil, Cape Verde

Habitat

Shallow rocky shores, coral reefs, and tide pools, often found in water less than 2 metres deep.

Remarkably adapted to shallow coastal zones, frequently observed foraging in exposed tide pools during low tide.

Similar species

Snowflake Moray
Echidna nebulosa
Zebra Moray
Gymnomuraena zebra
Jeweled Moray
Muraena lentiginosa

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

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Emperor Angelfish
Pomacanthus imperator
Large, robust, and occupies different tank zones, making it perfectly safe from the moray's predatory instincts.
Great
Panther Grouper
Chromileptes altivelis
A sizable and hardy predator that will command its own space without bothering the eel.
Great
Picasso Triggerfish
Rhinecanthus aculeatus
Aggressive and well-armoured enough to hold its own; both share similar requirements in a predatory setup.
Great
Snowflake Moray
Echidna nebulosa
Keeping multiple eels requires a very large tank with abundant, separate cave systems to prevent territorial clashes.
Compatible with caution
Cleaner Shrimp
Lysmata amboinensis
The Chainlink Moray is a specialised crustacean eater; ornamental shrimp will quickly become an expensive meal.
Not recommended
Clown Goby
Gobiodon okinawae
Small, bottom-dwelling fish are at an incredibly high risk of predation, particularly at night.
Not recommended

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