There is an abundance of fish species in the Los Angeles River which include common carp, largemouth bass, tilapia, green sunfish, Amazon sailfin catfish, bluegill, black bullhead, brown bullhead, channel catfish, fathead minnow, crayfish, and mosquito fish. No native species of the Los Angeles River survived the channelization of the river in 1938. The native species of fish in the Los Angeles River included rainbow trout, river shrimp, chinook salmon, Sacramento pikeminnow, Pacific lamprey, three-spined stickleback, and Santa Ana sucker. The last native species to be caught in the river was a rainbow trout in 1940 by a local fisherman.

Is it true that are there fish in the los angeles river?
yes