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Family Ptereleotridae

TROPICAL WESTERN ATLANTIC

Ptereleotris calliura

French Reef, Key Largo, 45 feet

BLUE DARTFISH

Uncommon in rubble or sand burrows near reefs at scuba depths.  Dorsal fins edged with black.  Attains 5 inches.  Endemic to Florida.  Often misspelled as Ptereleotris calliurus.