By Bob Goemans
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Polyp Lab 


Nemanthias carberryi

Smith, 1954

Threadfin Anthias

Likely Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Indo-West Pacific Ocean: Maldives to South Africa.

Size: 4 inches (10 cm)

Natural Environment: Inhabits outer reef slopes and usually found in large shoals at depths between 15 to about 100 feet (5 – 30 m) where it feeds mainly on zooplankton.

General Husbandry: Occasionally available in the trade and quite attractive, with females having various shades of pink, orange and yellow and males having a somewhat purplish head with yellow on the aft upper body and violet in the upper dorsal fin.

Best maintained in aquaria with some rocky caves and strong water movement, and with large unencumbered areas for schooling in small groups, which often would be the middle of the aquarium. Tankmates should be peaceful.

As to diet, will eat most regular aquarium foods, e.g., finely chopped various frozen or fresh meaty foods such as mysis, squid, fish flesh, shrimp, clam, etc., and should be offered at least twice daily and dispensed upstream so water currents carry food to their location.

Sometimes difficult to get feeding, and if so, fortified live adult brine shrimp may be necessary to get them feeding.


    Order: Perciformes

    Suborder: Percoidei

    Family: Serranidae

    Subfamily: Anthiinae

    Genus: Nemanthias

FYI: Best maintained in small groups, e.g., one male and five to eight females.

The male should be the last to be introduced into the aquarium.

May jump out of uncovered aquariums.

Somewhat aggressive towards other species in the family.

Experience Level: Beginner

Temperament: Peaceful

Diet: Carnivore

Coral Safe: Yes

Fish Safe: Yes

Invertebrate Safe: Yes

Acclimation Time: 30 minutes+

Aquarium Environment: Reef or fish-only aquarium

Tankmates: Peaceful

Minimum Tank Size: 75 gallons

Temperature Range: 72 - 80°F (22 – 27°C)

Specific Gravity: 1.020 - 1.026

pH: 8.0 - 8.5

 Nemanthias carberryi (Threadfin Anthias)
Photo © Bob Fenner
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