How to Identify Bigeye Snapper

To identify Bigeye Snapper (Priacanthus hamrur), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Typically reddish to silvery-red, often with darker blotches or bands that can be indistinct. Some individuals may appear more silvery or dusky. The fins are usually reddish, and the caudal fin often has a dusky or blackish posterior margin.

Scale type

ctenoid

Mouth position

superior

Distinctive features

Very large eyes, characteristic of the family Priacanthidae, adapted for nocturnal vision., Deeply forked caudal fin, often with a dark posterior margin., Body is covered in small, rough scales., A single dorsal fin with 10 spines and 13-15 soft rays., Anal fin with 3 spines and 13-16 soft rays.

Dorsal fin

Single dorsal fin with X spines and 13-15 soft rays. The spiny and soft-rayed portions are continuous.

Tail fin

Deeply forked caudal fin, often with a dusky or blackish posterior margin.

Pectoral fin

Pectoral fins are relatively short and rounded.

Distinctive fins

Pelvic fins are large and inserted anterior to the pectoral fin base, often with a dark membrane between the rays.

Identification Tips

1. 1

   Eyes

   The most prominent feature is its exceptionally large eyes, which are disproportionately large compared to its head size. This is a key characteristic of all Priacanthidae.

2. 2

   Caudal Fin

   Look for a deeply forked tail fin, often with a distinct dark or blackish margin on the posterior edge.

3. 3

   Coloration

   While variable, the predominant color is reddish to silvery-red. Some individuals may exhibit faint darker bands or blotches.

4. 4

   Body Shape

   The body is compressed and relatively deep, giving it a somewhat oval profile.

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