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By Bob Goemans
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Antennarius

Antennarius tuberosus

Cuvier, 1817

Tuberculated Frogfish, Pygmy Frogfish

Not Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Indo-West Pacific Ocean: East Africa to the Hawaiian, Line, and Pitcairn Islands, and south to Samoa.

Size: 3 inches (7 cm)

Natural Environment: Inhabits coral reefs and usually hides in stony coral growths at depths between 3 – 200 feet (1 – 60 m), but usually found at depths below 50 feet (15 m), where it mainly feeds on small fishes.

General Husbandry: Rarely seen in the trade, and often somewhat drab, having a cream color body with brown marbling and some patches of lavender. Equipped with an angling lure that dangles an enticing looking object near its mouth.

Best maintained in a very small fish-only aquarium with tankmates too large to be eaten, or possibly a single species aquarium, with some decor, such as live rocks, that will give the species the feeling of being secure while awaiting dinner, as its quite shy.

As to diet, keep in mind these fish are carnivores and require a diet high in protein and amino acids (lipids/fats). Products such as live marine fish and/or marine fish and crustacean flesh, clams, and other marine meaty foods should make up the majority of their diet. Non-living foodstuffs can be suspended/impaled on a long thin stick and dangled within range to entice feeding.

Occasional small live mollies and/or guppies can provide for that natural feeding excitement found in the wild should live marine fish not be available. Nevertheless, feeding small freshwater live fish should be considered a special treat and not become a steady diet since they lack the fatty acids that marine fish need to stay healthy.

Because these are sedentary fish, their metabolism is quite low. Adults require two feeding weekly, whereas juveniles require four feedings per week.

Susceptible to Amyloodinium and Cryptocaryon, therefore prevent sudden temperature changes and/or other stressful conditions, as this opens a window of opportunity for these maladies.

Taxonomy:

    Order: Lophiiformes

    Suborder: Antennarioidei

    Family: Antennariidae

    Subfamily: Antennariinae

    Genus: Antennarius

FYI: Poor choice for reef aquariums, as it would stay hidden most of the time.

Will consume ornamental crustaceans.

Best maintained in their own private environment.

Lacks a swim bladder, that's why they are bottom dwelling fishes.

Lacks teeth, swallows prey whole.

Experience Level: Intermediate

Temperament: Semi-aggressive

Diet: Carnivore

Coral Safe: Yes

Fish Safe: With caution

Invertebrate Safe: With caution

Acclimation Time: 30 minutes+

Aquarium Environment: Fish only aquarium

Tankmates: Peaceful, yet large enough not to be eaten

Minimum Tank Size: 10+ gallons

Temperature Range: 70 - 78°F (21 – 26°C)

Specific Gravity: 1.020 - 1.026

pH: 8.0 - 8.5

 Antennarius tuberosus (Tuberculated Frogfish, Pygmy Frogfish)
Photo © John Randall
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