This sturdy-looking fish can adapt to freshwater (it is often found in such habitats in the wild), but in aquaria it appears not to fare so well in the absence of salt. The male Knight Goby has a pale silver body dotted with black spots. Females have similar markings but with more yellow.
Other common name
- Spotted Goby
Family
- Gobiidae
Subfamily
- Gobionellinae
Distribution
- Indonesia and Philippines.
Size
- Up to 3 1/2 in (8.5cm).
Behavior
- Males are territorial, in particular toward their own species but also (somewhat less so) toward other bottom-dwelling tankmates.
Diet
- Livefoods preferred, but deep-frozen, freeze-dried, and other formulations may also be accepted, algal supplement recommended.
Aquarium
- Well planted (with salt-tolerant species); a fine-grained substratum and several caves or shelters recommended. Well-filtered, hard, alkaline water with 1 teaspoonful of salt per 1 Imp. gal (1 1/5 U.S. gal/4.5 I). Soft water must be avoided. Temperature range: 68-79 F (20-26 C).
Breeding
- Eggs are laid on the roof of a cave, and they and the fry are protected by both parents.
