How to Identify Broomtail Wrasse

To identify Broomtail Wrasse (Cheilinus lunulatus), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Juveniles are typically mottled brown to greenish with irregular dark spots and bands, often mimicking algae or detritus. As they mature, coloration becomes more vibrant. Adult males are often greenish-brown to reddish-brown, with a distinctive pale to yellowish-green head, often with radiating lines from the eye. The body can have irregular darker blotches. The caudal fin is typically dark with a pale posterior margin, and the 'broom' extensions are often darker.

Scale type

cycloid

Mouth position

terminal

Distinctive features

Prominent, broom-like or lunate caudal fin in adults, especially males., Large, thick lips., Terminal mouth with prominent canine teeth., Often a pale to yellowish-green head in adult males., Large size, up to 1.5 meters.

Dorsal fin

Single, long dorsal fin with 9 spines and 10-11 soft rays. The spinous portion is lower than the soft-rayed portion.

Tail fin

Distinctively lunate or broom-shaped in adults, with elongated outer rays, particularly in males. Juveniles have a more rounded or truncate caudal fin.

Pectoral fin

Large and rounded, typically with 12 rays.

Distinctive fins

Pelvic fins are relatively small. Anal fin has 3 spines and 8-9 soft rays.

Identification Tips

1. 1

   Caudal Fin Shape

   The most distinguishing feature is the deeply lunate or 'broom-like' caudal fin in adult specimens, especially males. Juveniles have a more rounded tail.

2. 2

   Size and Body Shape

   Large, robust body, laterally compressed. Can reach impressive sizes, making them stand out among other wrasses.

3. 3

   Head Coloration

   Adult males often display a distinct pale green to yellowish-green head, contrasting with the darker body.

4. 4

   Mouth and Lips

   Possesses large, fleshy lips and prominent canine teeth, indicative of its predatory nature.

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