Scaled SardineorSpanish Sardine

Two fish anglers mix up. Here is what separates them, and what each one’s rules are in your state.

Studio photograph of a Scaled Sardine (Harengula jaguana), side view, on a white background — **Scaled Sardine***Harengula jaguana*

Studio photograph of a Spanish Sardine (Sardinella aurita), side view, on a white background — **Spanish Sardine***Sardinella aurita*

Rules for both fish from 0 state rulebooks, checked Sep 22, 2026. Every rule names its source and the day it was last checked; the official rulebook is the final word.

How to tell them apart

Scaled Sardine

Bright bait sardine with a faint shoulder spot and no trailing threads; the castnet standard.

Scaled sardine, next to Spanish sardine: deeper body, shoulder spot.

Spanish Sardine

Slim, round-bodied silver sardine with a blue-green back and no spots or threads at all.

Spanish sardine, next to scaled sardine: slimmer, no spot.

Side by side

	Scaled Sardine	Spanish Sardine
Scientific name	Harengula jaguana	Sardinella aurita
Also called	Whitebait, Pilchard	—
Waters	Inshore	Inshore
Heaviest state record	—	—
On the table	The livewell staple — bait.	Bait; canned commercially.
Rules of its own in	0 states	0 states

Rules for

Every state, both fish

State	Scaled Sardine: size · bag · season	Spanish Sardine: size · bag · season

Questions anglers ask

How do you tell scaled sardine from Spanish sardine?

Scaled Sardine: Bright bait sardine with a faint shoulder spot and no trailing threads; the castnet standard. Spanish Sardine: Slim, round-bodied silver sardine with a blue-green back and no spots or threads at all. Spanish sardine, next to scaled sardine: slimmer, no spot. Scaled sardine, next to Spanish sardine: deeper body, shoulder spot.

Which is better to eat, scaled sardine or Spanish sardine?

Scaled Sardine: The livewell staple — bait. Spanish Sardine: Bait; canned commercially.