Rock Bass
Rock Bass are an introduced species in California, originally native to east-central North America but brought to western states including California by the United States Fish Commission between 1889-1936. They belong to the sunfish family.
Scientific Name: Ambloplites rupestris
Also known as red-eye
- Distinguished by their distinctive red eyes, large mouth with small conical teeth, and six spines in the anal fin (unlike other sunfish which have only three).
- These fish are relatively small, averaging 6-10 inches and rarely exceeding one pound, though the largest recorded specimen reached 17 inches and 3.1 pounds.
Fishing in California
Kings River
Kaweah River
East Fork Kaweah River
Tule River
Deer Creek
Lake Success
Lake Kaweah
Lake Woollomes
Mill Creek
Fresno Slough
What to know
Habitat Distribution
- Thriving in lakes, ponds, rivers, and streams with rocky or sandy bottoms.
Specific Spots
- Commonly found near rocky shorelines, submerged structures, docks, and vegetated areas.
- Focus fishing efforts around rocky shorelines, submerged boulders, fallen trees, docks, and vegetated areas where rock bass ambush prey.
Rock Bass FAQ
Answers from onWater's species guide.
What are the best lures and bait for Rock Bass in California?
Small jigs (1/16 to 1/8 ounce), curly-tail grubs, small spinners, spinnerbaits, and beetle spins. Soft plastics like small worms, tubes, and swimbaits work well, particularly when rigged on light jigheads. Live bait is highly effective - use worms, minnows, crayfish, or insects presented near bottom structure.
What flies work for Rock Bass in California?
Sized-down smallmouth bass flies or sized-up bluegill patterns including small streamers, nymphs, and poppers.
When is the best time to fish for Rock Bass in California?
Spring through early fall, with peak activity in warmer months when water temperatures are above 60°F. During cooler months, fish deeper water and slow down presentations, while warmer periods allow for more aggressive topwater fishing.
How do you catch Rock Bass in California?
Finesse presentations worked slowly around cover. In California's clearer waters, natural colors and smaller presentations tend to be most effective. Target depths of 3-12 feet, adjusting based on water temperature and season.
What do Rock Bass eat?
Carnivorous, feeding on smaller fish (including their own young), yellow perch, minnows, insects, crayfish, and crustaceans. They're most active feeding in evening and early morning hours and will occasionally take food from the surface.
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