Red Striped Goby (Trimma Cana) saltwater aquarium fish

Overview:

The Red Striped Goby is a small, bottom-oriented marine fish best kept in a mature, stable saltwater aquarium. It does best in a peaceful environment with plenty of sand, rubble, caves, and hiding places, since it naturally perches, darts between rocks, and spends much of its time near the substrate. A tank with fine sand and secure rockwork is ideal. Because this species is sensitive to sudden swings in salinity, temperature, and water quality, consistent care matters more than flashy décor. Aim for clean, well-oxygenated water with gentle to moderate flow and low nitrates. Provide subdued lighting or shaded areas so the goby can feel secure. A lid is strongly recommended, as gobies can jump when startled.

Diet and Feeding:

Red Striped Gobies are carnivorous and should be offered a varied, protein-rich diet. In captivity they usually accept small meaty foods such as enriched frozen mysis shrimp, brine shrimp, finely chopped seafood, and quality marine pellets or micro granules if trained. Feed small portions once or twice daily rather than large meals, since their small mouths and active foraging style favor frequent, modest feedings. Observe whether the goby is actually eating; shy individuals may need target feeding near its favorite shelter. Vitamin-enriched foods can help support color, immunity, and long-term health. Avoid relying only on flake food, which is often not sufficient for this species.

Compatibility:

This goby is generally peaceful and should be housed with non-aggressive tankmates. Good companions include small reef-safe fish such as clownfish, gobies, blennies, firefish, cardinalfish, and other calm species of similar size. It may also coexist well with many invertebrates in reef aquariums, including snails, hermit crabs, and corals, provided the tank is stable and not overcrowded. Avoid housing it with large predators, boisterous feeders, or territorial fish that outcompete it for food, such as aggressive wrasses, triggerfish, dottybacks, or dominant tangs in smaller systems. Because the Red Striped Goby is shy, tankmates should be chosen with caution to prevent stress, hiding, and feeding refusal.

Health and Quarantine:

This species benefits greatly from quarantine before introduction to the display tank. Quarantine allows you to monitor appetite, breathing, skin condition, and feces while reducing the risk of parasites and bacterial infections spreading to the main aquarium. Keep the quarantine tank simple, quiet, and stable, with hiding places and excellent filtration. Common concerns include stress from poor acclimation, starvation in competition-heavy tanks, and sensitivity to dirty water. Watch for rapid breathing, clamped fins, pale coloration, scratching, or refusal to eat. Preventive care includes gradual acclimation, regular water changes, stable salinity, and varied nutrition. A healthy Red Striped Goby should be alert, perch confidently, and feed regularly once settled.

algae spirulina mysis shrimp brine shrimp
The Red Striped Goby is a calm, bottom-oriented fish that spends much of its time hovering low over the substrate, sifting sand, and darting between shelters, so it benefits from a tank with ample open sandbed area plus caves and other hiding spots. It is generally peaceful toward tank mates but can be territorial with conspecifics, especially in smaller systems or when shelter is limited. A minimum aquarium size of 30 gallons is recommended, though larger setups are preferable, and a layout with rockwork, visual barriers, and multiple retreat zones helps reduce stress and territorial displays. In mixed communities it typically coexists well with reef-safe species and other nonaggressive fish, provided it is not housed with boisterous or overly competitive feeders. Its diet is omnivorous with a strong benthic focus, feeding on small crustaceans, worms, and other microfauna it picks from the substrate, and it readily accepts quality frozen, prepared, and sinking foods in captivity.

FAQ

Frequently Asked Questions

About the Red Striped Goby

  • How do I tell if my Red Striped Goby is actually settled and feeding, or just grazing the glass and rocks without getting enough food?
    A settled Red Striped Goby will spend most of the day actively picking at biofilm, algae, and tiny organics on hard surfaces, then show a rounded belly and stable coloration. A stressed or underfed fish often stays thin behind the head, hovers weakly, loses red striping intensity, or ignores prepared foods. In the aquarium, true feeding is usually subtle: they rasp constantly on stone, wood, and glass, and may only take tiny frozen or sinking foods if current is gentle and the food lands near the substrate. A healthy specimen also perches confidently in flow and returns repeatedly to favored grazing spots.
  • What tank conditions are most important for keeping a Red Striped Goby long term, especially water movement and oxygenation?
    Strong oxygenation and clean, stable water are the two biggest priorities. Red Striped Gobies do best in cool to moderate tropical water, high dissolved oxygen, and noticeable current, with plenty of smooth rock surfaces for grazing. They are poor candidates for warm, stagnant, dirty tanks. Aim for pristine water quality, very low nitrate, and efficient filtration without creating dead spots. They appreciate a tight lid too, because they can dart and jump when startled.
  • Can Red Striped Gobies live in a community tank with shrimp, snails, and small peaceful fish?
    Yes, usually, because they are not predators and are too small-mouthed to bother healthy adult shrimp, snails, or similarly sized peaceful tankmates. The bigger issue is competition and stress: boisterous feeders, fin-nippers, or aggressive bottom dwellers can outcompete them at feeding time or prevent them from grazing comfortably. Ideal tankmates are calm fish that occupy midwater or upper water layers, plus invertebrates that won’t crowd their grazing stones. Avoid large cichlids, loaches that dominate the bottom, and fast surface-to-bottom feeders.
  • Why does my Red Striped Goby keep losing its bright red striping, and is that a sign of illness?
    Faded striping is often a stress signal, not necessarily disease. Common causes include poor water quality, insufficient current, low oxygen, inadequate grazing surfaces, harassment by tankmates, or a newly imported fish still acclimating. Color can also change with mood, time of day, and dominance. If the fish is still eating, perching normally, and not showing pinched belly, clamped fins, rapid breathing, or white patches, the fading is usually environmental. First improve flow, oxygen, and food access before assuming illness.
  • What foods should I offer if my Red Striped Goby is not thriving on natural algae alone?
    Offer very small sinking foods that mimic what it can pick up from the substrate: frozen cyclops, baby brine shrimp, daphnia, finely crushed quality pellets, micro granules, and occasionally soft frozen foods chopped tiny enough to be pecked at. They are not strong competitors for large particles, so feed in a low-current area or target feed near their favorite rocks. The best long-term condition usually comes from a tank with mature biofilm and algae growth plus supplemental microfoods, rather than relying on prepared foods alone.