Common name: Filamentous Blenny
General information
The Filamentous Blenny, scientifically known as Gobioclinus filamentosus, is a small, colorful fish that is a favorite among reef aquarium enthusiasts. This species is known for its distinctive long filamentous extensions on the dorsal fin, which can be quite eye-catching. The body coloration is typically a mottled brown with red spots, which provides excellent camouflage against the rocky reefs they inhabit.
Details
- Recommended minimum tank volume
- 40 liter (11 gallons)
- Salinity
- S.G. 1.022 to 1.025
- Temperature
- 22 to 26 °C (72 to 79 °F)
- Acidity
- pH 8.1 to 8.4
- Average size
- 6 cm (2½″)
- Care level
- Moderate to easy Prefers caves and overhangs
- Diet
- Carnivore Enjoys small crustaceans
- Social
- Solo
- Reefsafe
- Yes
- Aggression
- Peaceful
- Captive bred
- No
Taxonomy
- KingdomAnimalsAnimalia
- PhylumChordatesChordata
- ClassRay-finned FishesActinopterygii
- OrderPerch-like FishesPerciformes
- FamilyLabrisomid BlenniesLabrisomidae
- GenusGoby EelGobioclinus
- SpeciesFilamentous BlennyGobioclinus filamentosus (Springer, 1960)
- SynonymsLabrisomus filamentosus Springer, 1960
Care
Filamentous Blennies are relatively easy to care for, provided their environment is well-structured with plenty of hiding places and rockwork. They are peaceful fish that can be kept with a variety of tank mates. However, care should be taken to ensure they are not housed with aggressive species that may harass or outcompete them for food. They are omnivores, feeding on a mix of algae and small invertebrates in the wild, so a varied diet in captivity is essential for their health.
Reproduction
In the wild, Filamentous Blennies are known to be oviparous, with males often guarding the eggs until they hatch. Breeding them in captivity can be challenging, but with the right conditions and a mature pair, it is possible to observe their fascinating reproductive behavior.
Habitat
Gobioclinus filamentosus is found in the Western Atlantic, from Florida and the Bahamas to Brazil, including the Gulf of Mexico and the Caribbean Sea. They prefer shallow, rocky reefs and are often seen darting in and out of crevices. Their ability to blend into their surroundings makes them both intriguing to watch and a challenge to spot at times.