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Species Spotlight: Santa Ana Sucker

Species Spotlight: Santa Ana Sucker

by | Dec 3, 2025 | MSHCP, Species

Species Spotlight: Santa Ana Sucker The Santa Ana sucker (Catostomus santaanae) may be a small freshwater fish, but it plays a big role in southern California’s river ecosystems. It has a dark gray back, a lighter belly, and a diet that includes algae, diatoms,...
MSHCP Supports Santa Ana Sucker Population

MSHCP Supports Santa Ana Sucker Population

by | Jan 2, 2023 | MSHCP, Species

MSHCP Supports Santa Ana Sucker Population Found only in the Santa Ana River, the San Gabriel River, and Big Tujunga Creek, the federally threatened Santa Ana sucker (Catostomus santaanae) is one of two fish species protected by the western Riverside County MSHCP....

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