How to Identify Blue-striped Goatfish

To identify Blue-striped Goatfish (Parupeneus barberinoides), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Distinctively bicolored: the anterior half of the body is white to pale yellow, abruptly transitioning to a dark reddish-brown or black posterior half. A prominent bright blue stripe runs from the snout, through the eye, and along the upper flank, fading towards the caudal peduncle. The barbels are white or pale yellow. Fins are generally translucent with some yellowish or reddish tints.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Bicolored body (anterior pale, posterior dark), Bright blue stripe from snout through eye, Pair of prominent chin barbels

Dorsal fin

Two separate dorsal fins; the first with 8 spines, the second with 1 spine and 8 soft rays. The first dorsal fin is often elevated.

Tail fin

Forked caudal fin.

Pectoral fin

Moderately sized, typically clear or slightly yellowish.

Distinctive fins

Pelvic fins are located thoracically, below the pectoral fins.

Identification Tips

1. 1

   Coloration

   The abrupt transition from a pale anterior to a dark posterior body, combined with the vivid blue stripe, is the most reliable identification feature.

2. 2

   Barbels

   The presence of two prominent, white or pale yellow chin barbels confirms it as a goatfish. These are used for chemosensory detection of prey.

3. 3

   Body Shape

   Its elongated, somewhat compressed body is typical of the genus Parupeneus.

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