How to Identify Kelp Bass

To identify Kelp Bass (Paralabrax clathratus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Mottled brown, olive, or greenish-gray dorsally, fading to a lighter belly. Distinctive irregular dark blotches and spots cover the body, providing excellent camouflage within kelp forests. The fins often have a yellowish tint.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Deep, robust body, Large mouth with numerous small, sharp teeth, Three to five rows of scales on the cheek, A prominent notch between the spiny and soft-rayed portions of the dorsal fin

Dorsal fin

Single, long dorsal fin with 10 spines and 13-15 soft rays. A deep notch separates the spiny and soft-rayed portions.

Tail fin

Slightly forked caudal fin.

Pectoral fin

Large, rounded pectoral fins.

Distinctive fins

Pelvic fins are thoracic, located directly below the pectoral fins.

Identification Tips

1. 1

   Coloration and Pattern

   Look for the mottled brown/olive body with irregular dark blotches and spots. This camouflage is key to identifying them in their natural habitat.

2. 2

   Dorsal Fin Notch

   The deep notch between the spiny and soft-rayed parts of the dorsal fin is a reliable distinguishing characteristic from other bass species.

3. 3

   Cheek Scales

   Counting the rows of scales on the cheek (3-5 rows) can help differentiate it from similar species like the Barred Sand Bass (Paralabrax nebulifer) which has 7-10 rows.

4. 4

   Body Shape

   Kelp Bass have a more elongated and streamlined body compared to the deeper-bodied Spotted Sand Bass.

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