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Related FAQs:  Flatfishes

Flatfish Overview:  Pleuronectiform Fishes

/The Conscientious Marine Aquarist

Flatfishes of the Family Paralichthyidae: Flounders, Halibuts and more.


Bob Fenner


Marine, some rarely in freshwater. Usually left handed/eyed. Have pelvic fin bases that are short, pectoral fin rays branched. Eggs with only a single oil globule (diagnostic character). About sixteen genera, eighty five species.  Polyphyletic. 

Paralichthys californicus (Ayres 1859), the California Flounder (Halibut). Eastern Pacific; Washington to Baja California. Recorded to more than five feet and 33 kg. in weight. This twenty pound or so one at the Monterey Bay Aquarium in California. 

Pseudorhombus dupliciocellatus  Regan, 1905

Ocellated flounder. Indo-Pacific. To 40 cm. Here in N. Sulawesi in 2006

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