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Arroyo Chub

Gila orcuttii (species)

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The arroyo chub (Gila orcuttii) is a cyprinid fish found only in the coastal streams of southern California, United States. The shape of the arroyo chub is somewhat chunky, with a deep body and thick caudal peduncle. The eyes are larger than average for cyprinids. Coloration ranges from silver to gray to olive green above, shading to white below, usually with a dull gray band along each side. The dorsal fin has 8 rays, while the rounded anal fin has 7. Males have larger fins than females, and, during the breeding season, patches of breeding tubercles on the upper surfaces of the pectoral fins. This is a small fish, with most adults in the 7–10 cm length range, and a maximum of 12 cm. Omnivorous, their diet includes algae, insects, and crustaceans. Studies of fish from warmwater streams…

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