White-spotted Wrasse (Anampses melanurus)

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White-spotted Wrasse
Anampses melanurus
White-spotted Wrasse (Anampses melanurus)
Name White-spotted Wrasse
Name Lat. Anampses melanurus
Family Wrasses
Family lat. Labridae
Order Wrasses & Relatives
Order lat. Labriformes
Origin Western Pacific
Habitat Seaward reefs
Diet Carnivore
pH 8,1-8,4
Hardness 8-10 °KH
Behavior Peaceful
Keeping Pair, harem
Reef Compatible With caution
Care Level Difficult
Life Span N/A
Protection No
Metric Units
Size 10 cm
Temperature 22-28 °C
Salinity 33-36 ‰
Aquarium ~ 350 l
US Units
Size 4"
Temperature 72-82 °F
Salinity 1.020-1.025 sg
Aquarium ~ 90 gal

Distribution and habitat

The range of Anampses melanurus is the eastern Indian Ocean and the western Pacific Ocean, from Indonesia to the Easter Islands. They live on outer reefs and on reef slopes in the surf zone.

Maintenance

They need a well structured aquarium with plenty of swimming space and a reef structure (hiding and covering possibilities) with living stones, which act like a biological filter and whose growth they can graze on, as well as sand areas, from fine, at least 10 cm deep sand (no coral rubble!)

Only calcareous, heavy metal-free sands, gravels, stones or sea sand may be used. Filters, skimmers and heaters are necessary to ensure water quality, as well as pumps to simulate tides, swells and bottom currents. Lighting must be appropriate for the species' day-night rhythm

Salinity: 33-36 ‰ pH value: 8.1-8.4
Carbonate hardness: 8-10 °KH Nitrate content: 2-8 mg/l
phosphate content: 0.01-0.1 mg/l nitrite content: 0.0-0.05 mg/l

For salinity, an average value should be aimed for, which may only vary slightly by +/- 0.5 ‰. Ammonia and ammonium must not be measurable. Special attention must be paid to constantly good water quality.

Diet

They feed on small crustaceans, mollusks and plankton. They do not always succeed in changing their diet without problems. The food supply for these slow eaters should consist of a combination of plankton, mysis, shrimp, artemia and cyclops, plus chopped clam, squid and crab meat or a vitamin-enriched frozen food mix. High-quality flake and granulated food is also often accepted after a period of acclimation

It is recommended to feed small portions several times a day. This reduces intra-species aggression and protects lower animals in the aquarium. Regular and varied feeding promotes health and increases resistance.

Behaviour and compatibility

The young fish, mostly females, are peaceful among themselves and can be kept without problems. With the sex change to male, the aggression increases. Adult animals form groups. A group consists of several females and one dominant male. Accordingly, only one male should be kept with one or more females. They behave peacefully towards other fish.

Sex dimorphism

They are protogynous hermaphrodites, i.e. most males develop from functional females. The male is slightly larger and has a yellow lateral stripe.

Reproduction and breeding

There are no known reports of successful breeding in the aquarium.

Important

Overnight and when threatened, they bury themselves in the sandy substrate. Care should be taken when keeping them together with tubeworms, snails and crayfish, as these may be considered food

As reef dwellers, they should be kept together with corals and not in a fish-only aquarium.

If different species are kept together, care should be taken to ensure that the fish match each other in terms of water quality and temperature requirements and social behavior, and that the setup meets the needs of all species kept together. New fish to be introduced must be acclimated slowly to the water in the aquarium

Further literature can be found in your pet store.

References

Text: Werner Winter; Image: Franz Lowak

Source: BAENSCH & DEBELIUS (2006): Meerwasser Atlas Bd. 1, Mergus Verlag; ENGELMANN (2005): Zootierhaltung - Tiere in menschlicher Obhut: Fische, Verlag Harri Deutsch

  • Gemäß § 21 Abs. 5 Tierschutzgesetz idgF