Panther Grouper - Chromileptes altivelis

Panther Grouper (Chromileptes altivelis)

The Panther Grouper is a striking large marine predator recognised for its pale cream to white body covered with bold black spots and its distinctive high-backed profile. Juveniles are especially eye-catching and are often offered at a relatively small size, but this species grows into a substantial adult grouper with a powerful appetite and significant space requirements. It is best suited to very large, mature marine aquariums with robust tankmates and experienced care.

Common Name:
Panther Grouper, Humpback Grouper, Barramundi Cod

Scientific Name (Latin):
Chromileptes altivelis

Maximum Size:
Approximately 70 cm

Water Type:
Marine

Origin / Natural Habitat:
The Panther Grouper occurs throughout the Indo-West Pacific and is associated with coral reefs, lagoons, reef slopes and sheltered coastal habitats.

Juveniles are often found around shallow reef structure and sheltered areas, while adults occupy larger reef environments where caves, ledges and substantial rocky cover are available.

Water Parameters:
Temperature: 24–26°C
pH Range: 8.1–8.4
Salinity: SG 1.024–1.026
Nitrate: Low and stable
Ammonia/Nitrite: 0 ppm

Temperament:
Predatory / Semi-Aggressive

The Panther Grouper is primarily a predator rather than a highly territorial fish, but it will readily consume smaller tankmates that can fit into its mouth.

It is best housed with robust marine fish of similar size that are too large to be swallowed.

Diet:
Carnivore / Predatory

Offer a varied diet of meaty marine foods including chopped prawn, squid, mussel, krill and pieces of marine fish.

Larger individuals require substantial meals, but overfeeding should be avoided. A balanced feeding routine with appropriately sized portions is preferable to excessive daily feeding.

Minimum Tank Size:
Approximately 1,000 litres or larger

The Panther Grouper grows into a very large and heavy-bodied fish, so long-term accommodation requires a substantial aquarium with extensive swimming space and robust filtration.

Behaviour & Activity:
The Panther Grouper is generally a deliberate swimmer and spends much of its time around caves, ledges and reef structure.

Juveniles may appear relatively calm and manageable, but adults become considerably larger and more powerful.

Provide large caves, strong rockwork and open swimming areas. All aquascaping should be secure enough to withstand movement from a heavy adult fish.

Reef Safe:
Not Reef Safe

The Panther Grouper should not be considered reef safe with small fish or ornamental invertebrates.

Shrimp, crabs and smaller reef fish are likely to be viewed as prey as the grouper grows.

Although it does not primarily feed on coral tissue, its large adult size and predatory behaviour make it unsuitable for most conventional mixed reef aquariums.

Special Requirements or Care Notes:
This species should only be purchased with its eventual adult size fully considered.

Juveniles are commonly sold when very small, but they grow into large predatory fish requiring substantial long-term accommodation.

Provide powerful biological and mechanical filtration, strong oxygenation and stable water quality.

Tankmates must be robust and too large to swallow. Avoid small fish and ornamental crustaceans.

Rockwork should be firmly secured, and large caves or sheltered resting areas should be available.

Careful quarantine and observation are recommended when introducing new specimens, and feeding should be monitored to maintain strong body condition without excessive weight gain.

Suitable for:
Experienced

Availability:
Regularly available

All images are a visual representation of the fish you will receive, made to be as accurate as possible. Please note that Mother Nature is a wonderful thing, and variation in patterns and colours will occur — that is part of the unique beauty of these animals.