Paddlefin Wrasse - Thalassoma lucasanum

Paddlefin Wrasse – Thalassoma lucasanum


The Paddlefin Wrasse, scientifically known as Thalassoma lucasanum, is a striking marine fish hailing for the Sea of Cortez.

  • Physical Appearance: The Paddlefin Wrasse has a slender, elongated body with a pointed snout. Its most notable feature is its dorsal fin, which is elongated and resembles a paddle, giving the species its common name. The body coloration can vary, but it typically includes shades of green, blue, and yellow, often with intricate patterns or markings.

  • Size: These wrasses typically grow to a moderate size, with adults reaching lengths of around 20 to 30 centimeters (8 to 12 inches), although some individuals may grow slightly larger.

  • Fins: In addition to the distinctive paddle-like dorsal fin, Paddlefin Wrasses have a rounded anal fin and a forked caudal fin (tail fin). The pelvic fins, located on the underside of the body, are relatively small.

  • Behavior: Paddlefin Wrasses are known for their active and inquisitive behavior. They can often be seen swimming among rocky reefs, darting in and out of crevices in search of food or exploring their surroundings. These fish are diurnal, meaning they are most active during the day.

  • Habitat: Paddlefin Wrasses inhabit rocky reef environments and areas with plenty of hiding spots along the coastline. They are commonly found in shallow waters, typically at depths ranging from 3 to 30 meters (10 to 100 feet).

  • Diet: Their diet primarily consists of small invertebrates such as crustaceans, mollusks, and small fishes. Paddlefin Wrasses use their sharp teeth to pick off prey from crevices and cracks in the reef.

    XL Terminal Color phase male about 8″

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