How to Identify Pacific barracuda

To identify Pacific barracuda (Sphyraena argentea), look at these key features.

Physical Characteristics

Body shape

torpedo

Coloration

Dorsally, it is typically dark blue to greenish-gray, fading to silvery on the sides and belly. There are no distinct bars or spots on the body, though some individuals may show faint, irregular dusky markings when stressed or freshly caught. The caudal fin is often yellowish.

Scale type

cycloid

Mouth position

superior

Distinctive features

Elongated, cylindrical body, Large, pointed head with a prominent lower jaw that extends beyond the upper jaw, Numerous sharp, conical teeth of varying sizes, including large canines, set in both jaws, Two widely separated dorsal fins, Forked caudal fin

Dorsal fin

Two dorsal fins; the first dorsal fin has 5 spines, and the second dorsal fin has 1 spine and 9-10 soft rays. The first dorsal fin originates posterior to the pectoral fin base.

Tail fin

Deeply forked caudal fin, often yellowish.

Pectoral fin

Relatively small, positioned low on the body.

Distinctive fins

Pelvic fins are small and located beneath the first dorsal fin.

Identification Tips

1. 1

   Body Shape

   Look for the very elongated, slender, and cylindrical body, characteristic of barracudas.

2. 2

   Head and Mouth

   Note the large, pointed head with a prominent lower jaw that protrudes beyond the upper jaw. The mouth is large and armed with numerous sharp teeth.

3. 3

   Dorsal Fins

   Observe the two distinctly separated dorsal fins. The first dorsal fin is spiny, and the second is soft-rayed.

4. 4

   Coloration

   Identify the dark blue to greenish-gray back and silvery sides and belly. Absence of prominent dark bars or spots on the body is a key feature distinguishing it from some other barracuda species.

5. 5

   Lateral Line

   The lateral line is prominent and straight.

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