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Spotted Coral Croucher (Caracanthus maculatus)

Spotted Coral Croucher

Caracanthus maculatus
Family
Other
Care level
Intermediate
Temperament
Peaceful
Reef safe
Reef safe
Max size
5 cm
Min tank
100 L · 26 gal
Origin
Indo-Pacific
Diet
Carnivore
Food
Mysis, Brine shrimp, Fine marine pellets, Copepods

Overview

The Spotted Coral Croucher is a tiny, rounded fish covered in fine mottled spotting, adapted to living nestled among the branches of stony corals such as Pocillopora or Seriatopora, using them as both camouflage and shelter. Its small size and coral-dwelling habits make it an interesting addition to a nano or small reef tank with suitable branching coral hosts.

It's a peaceful, fully reef-safe species that rarely strays far from its chosen coral colony, spending most of its time nestled among the branches picking off small passing food items.

Given a tank with suitable branching coral and calm tankmates, it's an easy, unobtrusive fish that adds subtle interest without any aggression risk.

Compatibility

Spotted Coral Crouchers are entirely peaceful and reef safe, posing no threat to corals or invertebrates. They can be shy around larger or more boisterous tankmates, so calm, non-aggressive fish give the best results.

They are generally unbothered by and unbothersome to other peaceful community fish, though their small size means they should not be kept with aggressive or predatory tankmates.

Health & quarantine

This species is generally hardy once settled, though it relies on having a suitable branching coral host to feel secure, and can become stressed without one. A standard quarantine period of two to four weeks is recommended, and providing a suitable coral host from day one helps it settle more quickly.

Frequently asked questions

Does the Spotted Coral Croucher need a host coral?
It strongly prefers a branching stony coral like Pocillopora or Seriatopora for shelter and camouflage.
Is the Spotted Coral Croucher reef safe?
Yes, fully reef safe with corals and invertebrates.
What tank size suits a Spotted Coral Croucher?
As small as 100 litres works well given its tiny size, making it ideal for nano reef tanks.
Is the Spotted Coral Croucher shy?
Yes, it tends to stay close to its host coral and can be shy around larger or more boisterous tankmates.
What does a Spotted Coral Croucher eat?
Small meaty foods like mysis, brine shrimp, and fine pellets, along with naturally occurring copepods within its coral host.

Care guidance is drawn from our own experience — every fish is an individual, so treat it as a starting point, not a guarantee. Not sure if a species suits your tank? Come ask us in store. New to the terms? Read the care-terms glossary.