Eschmeyers Weedy Scorpion Fish - Rhinopias ghalba

Eschmeyers Weedy Scorpion Fish (Rhinopias ghalba)

The Eschmeyers Weedy Scorpion Fish is a highly unusual and specialised marine predator prized for its elaborate camouflage, leaf-like body form and slow, swaying movements. Its appearance allows it to blend almost seamlessly with reef structure while waiting to ambush passing prey. Best suited to experienced marine aquarists, this species requires carefully selected tankmates, suitable feeding and extra caution due to its venomous spines.

Common Name:
Eschmeyers Weedy Scorpion Fish, Weedy Scorpionfish

Scientific Name (Latin):
Rhinopias ghalba

Maximum Size:
Approximately 20–25 cm

Water Type:
Marine

Origin / Natural Habitat:
The Eschmeyers Weedy Scorpion Fish is associated with tropical marine reef environments where it inhabits rocky reefs, rubble areas and habitats rich in natural cover.

Its heavily textured body and irregular outline provide exceptional camouflage among rockwork, algae, sponges and other reef growth.

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:
Peaceful / Predatory

The Eschmeyers Weedy Scorpion Fish is generally not aggressive towards fish that are too large to swallow.

However, it is a specialised ambush predator and may consume smaller fish and ornamental crustaceans that come within striking distance.

Diet:
Carnivore / Ambush Predator

The Eschmeyers Weedy Scorpion Fish naturally feeds on small fish and crustaceans.

In the aquarium, offer a varied diet of suitably sized marine foods including prawn, shrimp, squid and pieces of marine fish.

Newly introduced specimens may initially be reluctant to accept non-live foods and should be gradually conditioned onto frozen or prepared alternatives where possible.

Avoid excessive feeding, as scorpionfish have relatively slow metabolisms.

Minimum Tank Size:
Approximately 300 litres

Provide substantial secure rockwork, shaded resting areas and enough open space for the fish to move comfortably.

Behaviour & Activity:
The Eschmeyers Weedy Scorpion Fish is a slow-moving ambush predator that often remains motionless for long periods.

It may sway gently from side to side, helping it resemble plant or reef growth moving with the water.

Rather than actively pursuing prey over long distances, it relies on camouflage and sudden short-range strikes.

Its unusual movement and appearance make it one of the most distinctive predatory marine fish available.

Reef Safe:
With Caution

The Eschmeyers Weedy Scorpion Fish does not normally damage healthy coral tissue.

However, small fish, ornamental shrimp and other suitably sized mobile invertebrates may be eaten.

It is therefore best considered reef safe with caution.

Special Requirements or Care Notes:
This species possesses venomous fin spines and should never be handled directly.

Extreme care should be taken during aquarium maintenance, aquascaping and transfer because its camouflage can make it very difficult to see against rockwork.

Tankmates should be selected according to mouth size rather than body length alone, as surprisingly large prey may be swallowed.

Provide stable water chemistry, excellent filtration and good oxygenation.

Avoid aggressive or highly active tankmates that may continually disturb the fish or prevent it from feeding.

New specimens should be monitored closely to ensure they begin feeding consistently.

A calm aquarium with carefully planned feeding is strongly recommended.

Suitable for:
Experienced

Availability:
Availability can vary significantly depending on season, collection area and supplier.

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