Saltcorner
By Bob Goemans
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Tomiyamichthys

Tomiyamichthys oni

(Tomiyama, 1936)

Monster Shrimp Goby

Likely Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Northwest Pacific Ocean: Southern Japan.

Size: 4 inches (10 cm)

Natural Environment: Inhabits protected sandy bottom areas near reefs and found in burrows with Alpheus bellulus shrimp and usually seen at depths between 30 to 100 feet (10 – 30 m) where it feeds on tiny benthic invertebrates and zooplankton.

General Husbandry: Rarely seen in the trade having a white body with numerous light brown blotches.

Can be maintained in reef or fish-only aquariums having some rocky crevices for hiding, a sandbed of at least two inches (5 cm) in depth with some flat stones it can burrow under.

Should not be housed with aggressive fishes such as groupers, dottybacks, triggerfishes or aggressive angelfishes.

A sand sifter, picking up large mouthfuls of sand and expelling it through the gill covers, sifting out anything edible.

Requires a meaty diet, i.e., enriched brine shrimp, mysis, finely chopped fish or shrimp flesh, and other various frozen carnivore foods, with four feedings per day.

Small sinking enriched shrimp meal pellets may also somewhat help keep it well fed.

Taxonomy:

    Order: Perciformes

    Suborder: Gobioidei

    Family: Gobiidae

    Genus: Tomiyamichthys

FYI: Best maintained in male-female pairs.

A difficult species to keep well fed as most slowly starve to death.

Will dig deep burrows.

Experience Level: Intermediate

Temperament: Peaceful

Diet: Carnivore

Coral Safe: Yes

Fish Safe: Yes

Invertebrate Safe: With caution

Acclimation Time: 30 minutes+

Aquarium Environment: Reef or fish-only aquarium

Tankmates: Peaceful

Minimum Tank Size: 30 gallons

Temperature Range: 72 - 82°F (22 – 27°C)

Specific Gravity: 1.020 - 1.026

pH: 8.0 - 8.5

 Tomiyamichthys oni (Monster Shrimp Goby)
Photo © Tristan Lougher
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