How to Identify Sheepshead Porgy

To identify Sheepshead Porgy (Calamus penna), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Overall silvery with iridescent reflections, often with a bluish or purplish tint dorsally. Juveniles may have faint vertical bars. A distinctive dark blotch is often present at the base of the pectoral fin. The snout can be dark or dusky.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Deep, compressed body, High-set eyes, Small, terminal mouth with strong canine-like teeth anteriorly and molariform teeth posteriorly, Often a dark blotch at the base of the pectoral fin, Dusky snout

Dorsal fin

Single dorsal fin with 12 spines and 10-12 soft rays. The spinous portion is longer than the soft-rayed portion.

Tail fin

Moderately forked caudal fin.

Pectoral fin

Long, falcate pectoral fins, typically extending beyond the origin of the anal fin.

Distinctive fins

Anal fin with 3 spines and 9-10 soft rays. Pelvic fins thoracic.

Identification Tips

1. 1

   Body Shape

   Look for a very deep, compressed body, characteristic of porgies.

2. 2

   Coloration

   Silvery body with iridescent hues. The presence of a dark blotch at the pectoral fin base is a key identifier. The snout often appears dusky.

3. 3

   Pectoral Fins

   Note the long, falcate (sickle-shaped) pectoral fins that extend significantly when laid back.

4. 4

   Mouth and Teeth

   Observe the small, terminal mouth with prominent canine-like teeth at the front and molar-like teeth in the back, adapted for crushing shells.

Explore Sheepshead Porgy