Flavianalis Yellow (Paracheilinus Flavianalis) saltwater aquarium fish portrait

Paracheilinus flavianalis is a compact flasher wrasse from the Indo-West Pacific, ranging from Indonesia to northern Australia, and reaching roughly 3.3 inches at maturity. Males carry a yellowish-orange body crossed by blue stripes, with blue bands radiating from the eye and a distinctive red tear-drop marking on the dorsal fin that trails an elongated filamentous ray. The pelvic and anal fins are yellowish-orange with blue margins, and the rounded caudal fin is yellowish with blue banding. Females and juveniles are noticeably more subdued, and coloration in this species can shift with age, collection locality, and breeding condition, which sometimes makes separating color variants difficult.

In nature this wrasse occupies rubble and weedy bottoms along seaward reefs, coastal reef slopes, and estuaries, generally between about 20 and 100 feet, where it gathers in groups of numerous females attended by several males. Adults should be given a 75-gallon or larger aquarium furnished with ample rockwork, crevices, and caves. Unlike many wrasses, this species does not bury itself in sand at night; it wedges into a rock crevice instead, so usable shelter is not optional. A tight-fitting lid with no large gaps is essential, since these fish are known to jump from open-top systems, particularly when startled or harassed. Reef displays and fish-only systems both work well provided the other occupants are calm.

Flasher wrasses are zooplankton feeders on the reef, picking small drifting prey from the water column throughout the day. That carnivorous appetite translates well to captivity, where this species accepts most standard marine aquarium fare. Finely chopped frozen or fresh meaty items are ideal, including mysis shrimp, squid, fish flesh, shrimp, and clam. Variety matters more than volume; a rotating menu of small, protein-rich items keeps male coloration vivid and supports long-term condition.

Because of its small size and fast metabolism, feed two to three times daily rather than offering one large meal. Newly introduced specimens are sometimes reluctant and may take a day or two before beginning to eat, so keep the tank quiet, avoid competitive feeders during that window, and offer small portions frequently until the fish settles into a routine.

Mysis Shrimp Frozen Squid Chopped Fish Flesh Chopped Shrimp Clam Meat Zooplankton
This is a peaceful, somewhat shy wrasse that spends its day cruising open water above the rockwork and retreating into crevices when alarmed. It does best as a pair consisting of one male and one female, or as a single male with several females; males intensify their display coloration when females are present. Keeping more than one male together is not advised in a 75-gallon system, as rival males will squabble. Care requirements sit at a moderate level, driven by the need for frequent feeding, secure cover, and calm tankmates rather than by any difficult water demands.

Choose companions carefully. Aggressive or pushy fish such as dottybacks and some damsels will bully this wrasse, suppress its feeding, and increase the risk of a jump. Reserved community fish that allow it space to feed are far better choices. In the reef aquarium it is a reliable citizen, leaving corals and ornamental invertebrates alone, and it may even work through unwanted pests such as flatworms and pyramid snails while foraging across the rocks.

FAQ

Frequently Asked Questions

About the Flavianalis Yellow

  • Will this wrasse jump out of my tank?
    Yes, this species is known to jump from uncovered aquariums, especially when harassed or frightened. Fit a tight lid with no large openings before adding one.
  • Is it safe for a reef tank with corals and invertebrates?
    Yes, it is reef safe and makes an excellent reef inhabitant when given ample crevices and caves for shelter. It may even help reduce pests such as flatworms and pyramid snails.
  • How many should I keep together?
    Keep either a single male and female pair or one male with several females, since males will quarrel with one another. A single male paired with females also produces the most vivid display coloration.