Common name: Pygmy coral croucher
General information
The Orangestriped Pygmy Goby, scientifically known as Caracanthus unipinna, is a small and fascinating marine fish species belonging to the family Caracanthidae. This diminutive goby is known for its vibrant orange stripes that run along its body, contrasting beautifully against its pale base coloration. Due to its small size, typically reaching only up to 2.5 centimeters in length, it is a perfect inhabitant for nano and pico reef aquariums.
Details
- Recommended minimum tank volume
- 40 liter (11 gallons)
- Salinity
- S.G. 1.023 to 1.026
- Temperature
- 22 to 26 °C (72 to 79 °F)
- Acidity
- pH 8 to 8.4
- Average size
- 6 cm (2½″)
- Care level
- Moderate to easy
- Diet
- Carnivore
- Social
- Solo
- Reefsafe
- Yes
- Aggression
- Peaceful
- Captive bred
- No
- Conservation statusSource: IUCN Red List
Taxonomy
- KingdomAnimalsAnimalia
- PhylumChordatesChordata
- ClassRay-finned FishesActinopterygii
- OrderScorpionfishesScorpaeniformes
- FamilyScorpionfishesScorpaenidae
- GenusCoral CrouchersCaracanthus Krøyer, 1845
- SpeciesPygmy coral croucherCaracanthus unipinna (Gray, 1831)
- SynonymsCaracanthus unipinnis (Gray, 1831)Centropus staurophorus Kner, 1860Micropus longipinnis Jatzow & Lenz, 1898Micropus unipinna Gray, 1831
Care
Caring for the Orangestriped Pygmy Goby requires a well-established aquarium with plenty of live rock for hiding and hunting microfauna. They are peaceful fish and should be kept with other non-aggressive tank mates. Due to their tiny size, they are at risk of being outcompeted for food, so it's important to ensure they receive adequate nutrition. They thrive on a diet of small live foods such as copepods and brine shrimp nauplii.
Reproduction
In the wild, Caracanthus unipinna is known to lay eggs in small crevices or under overhangs on the reef. In captivity, breeding is possible but challenging due to their small size and specific requirements for spawning. Hobbyists interested in breeding should provide a stress-free environment with optimal water quality.
Habitat
The Orangestriped Pygmy Goby is found in the Indo-Pacific region, particularly around coral reefs and rubble slopes. They prefer shallow waters where they can easily access microfauna for feeding. Their natural habitat includes areas with abundant live rock and coral rubble that offer numerous hiding spots.