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Fish Saltwater Care: medium Peaceful

Hi-fin Goby

Stonogobiops nematodes
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Other names: Blackray shrimp goby, Black-ray goby, Hi-fin banded goby, Stonogobiops nematodes
Group: Marine fish · Family: Gobiidae · Origin: Indo-West Pacific — Indonesia, the Philippines and surrounding areas

A small shrimp goby with a yellow head, slanting black bands on its white body and a long, filamentous dorsal fin. It lives in symbiosis with the red-banded pistol shrimp; it suits small reef aquariums.

Will it suit my tank?

Last updated October 16, 2026

Temperature
24–27°C
pH
8.1–8.4
Adult size
5 cm
Minimum tank size
50 liters
Social structure
Pair
Swimming zone
Bottom
Diet
Carnivore
Breeding
Substrate spawner

Water parameters

Temperature24–27°C
pH8.1–8.4
Recommended range
May escape, needs a lid Considered reef safe

Overview

October 16, 2026 · Suggest an edit

The hi-fin goby is a small, elegant goby with a bright yellow head, black bands crossing its white body diagonally and a filamentous extension on its first dorsal fin. In the wild it shares a burrow on sandy bottoms, mostly with the red-banded pistol shrimp (Alpheus randalli); the pair is frequently sold together in stores. It is peaceful, small and hardy; a good choice for small reef aquariums.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 50 liters for a single specimen or a pair.
  • Salinity specific gravity 1.023–1.026, pH 8.1–8.4, temperature 24–27°C.
  • Reef-safe; it leaves corals and invertebrates alone.
  • A substrate of mixed fine sand and small rubble; set the rocks on the glass.
  • A lid is essential; it jumps when startled.

Diet

October 16, 2026 · Suggest an edit

Carnivorous. Offer small frozen foods (mysis, brine shrimp, copepods) and fine granules; small meals twice a day are enough.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

Peaceful and shy; it spends most of the day hovering upright at the entrance of its burrow. It is territorial around the burrow towards its own kind; a mated pair and one pistol shrimp is the best setup.

Good companions: Pistol shrimp, clownfish, neon goby, firefish, cardinalfish, cleaner shrimp.

Avoid: Hawkfish, dottybacks, aggressive damselfish, large and greedy bottom-dwelling fish.

A short profile for this species

The Hi-fin Goby page has the basics, but the sections below have not been written yet. If you keep this species, write a section from your own experience; it will be published under your name after editor approval.

Tank mates

This list is calculated automatically from the species profile and grows as new species are added to the catalog. Try it in the planner for a definite answer.

Should not be kept together

Hobbyist notes

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Change history and contributors
  1. Page created · October 16, 2026