🐟 What fish can you catch in Onyx?

Most commonly caught species around Onyx , CA : Rainbow trout - 557 reported catches Largemouth bass - 414 reported catches Black crappie - 175 reported catches Channel catfish - 152 reported catches Smallmouth bass - 47 reported catches .

📢 What are the latest Onyx fishing reports?

The latest Onyx , CA fishing reports are: @jacobyamaguchi reported a nice Rainbow trout at Kern River . @jacobyamaguchi reported a nice Rainbow trout at Kern River . @jacobyamaguchi reported a nice Rainbow trout at Kern River . @eddie-fusaro reported a nice Largemouth bass at Lake Isabella . @GasBassing reported a nice Largemouth bass at Kern River . .

Fishing in Onyx, CA

Q: 🎣 Where to fish in Onyx, California?

Anglers in Onyx , CA recommend these top fishing spots: Kern River , Lake Isabella , Kissack Bay , Paradise Cove , South Fork Kern River .

Q: 📅 What is the best time to go fishing in Onyx?

Download the Fishbrain app and see today's Fishing and Weather Forecast for Onyx , CA . We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro , you will get the following capabilities: Plan smarter: Get hour-by-hour fishing weather conditions. Fish at peak times: Use BiteTime™ predictions to maximize catches. Stay ahead of the weather: Get hyper-local, real-time updates. .

California, United States

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Top fish species in Onyx

Latest Onyx fishing reports

Rainbow trout

Kern River

length · weight

Rainbow trout

Kern River

length · weight

Rainbow trout

Kern River

length · weight

Largemouth bass

Lake Isabella

16 in · 2 lb

Largemouth bass

Kern River

16 in · 2 lb

Largemouth bass

Kern River

17 in · 3 lb

Kern River

length · weight

Rainbow trout

Kern River

18 in · 3 lb

Largemouth bass

Kern River

length · weight

Largemouth bass

Lake Isabella

length · weight

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Fishing regulations in Onyx

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.

Fishing regulations in California can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.

Below you will see fishing regulations for catching Rainbow trout as of April 21st, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Select species

Rainbow trout

Seasons

Open

Bag limit

Bag limit = 3 trout, except the take of steelhead rainbow trout in the ocean is prohibited.
Trout must voluntarily take the bait or lure in its mouth.

Sea Trout

Regulations for

35°41′2″N 118°12′36.7″W

Regulations in the map

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FAQ about Onyx fishing

Anglers in Onyx, CA recommend these top fishing spots: Kern River, Lake Isabella, Kissack Bay, Paradise Cove, and South Fork Kern River.

Most commonly caught species around Onyx, CA:

Rainbow trout - 557 reported catches
Largemouth bass - 414 reported catches
Black crappie - 175 reported catches
Channel catfish - 152 reported catches
Smallmouth bass - 47 reported catches

The latest Onyx, CA fishing reports are:

@jacobyamaguchi reported a nice Rainbow trout at Kern River.
@jacobyamaguchi reported a nice Rainbow trout at Kern River.
@jacobyamaguchi reported a nice Rainbow trout at Kern River.
@eddie-fusaro reported a nice Largemouth bass at Lake Isabella.
@GasBassing reported a nice Largemouth bass at Kern River.

Download the and see today's Fishing and Weather Forecast for Onyx, CA. We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro, you will get the following capabilities: