Elegant firefish

Nemateleotris decora

''Nemateleotris decora'', the elegant firefish or purple firefish, is a species of dartfish native to tropical waters in the Indo-West Pacific, from Mauritius to Samoa, north to Ryukyu Islands, and south to New Caledonia, from depths ranging between 25 to 70 m.
Decorated Dartfish - Nemateleotris decora White head and front body gradating to purplish rear body; violet snout and stripe dorsal fin, violet and red marked fins; long 1st dorsal fin. Dartfish,Decorated Dartfish,Elegant firefish,Fish,Malaysia,Nemateleotris decora,Sabah,Sipadan

Appearance

It reaches a maximum length of 9 cm.

The elegant firefish is a slender, colourful fish. The dorsal fin has 7 spines and 27 to 32 soft rays while the anal fin has a single spine and 28 to 31 soft rays. The head is purple and the body colour is whitish or yellowish, gradually darkening to deep grey towards the tail. The fins have longitudinal bands of purple, red, black and orange.

Naming

The populations of this species from the western Indian Ocean have been recognised by some workers as a distinct species, ''Nemateleotris exquisita'', however, the validity of this taxon needs more taxonomic research.

Behavior

This species is often found in pairs and is monogamous. They will dart into holes when alarmed.

Habitat

It is found over hard, open bottoms of reefs, sandy patches and rubble, as well as deeper coastal outer reef drop-offs where there are strong currents.

Food

They feed on zooplankton, especially the larvae of copepods and crustaceans.

References:

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Status: Least concern
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionChordata
ClassActinopterygii
OrderGobiiformes
FamilyGobiidae
GenusNemateleotris
SpeciesN. decora
Photographed in
Malaysia