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      Blacktail Goby
      Blacktail Goby

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      Photo Details

      Reef Keeper

      Registered: July 2003
      Location: Sumner
      Posts: 7,855
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      Scientific Name: Ptereleotris heteroptera
      Max. size: 14.0 cm TL (male/unsexed)
      Environment: reef-associated; marine; depth range 5 - 46 m
      Ditribution: Indo-Pacific: Red Sea and East Africa to the Hawaiian, Line, Marquesan, and Society Islands, north to the Ryukyu Islands, south to Lord Howe Island; Mariana, Caroline, and Marshall Islands in Micronesia.
      Morphology: Dorsal spines (total): 7; Dorsal soft rays (total): 29-33; Anal spines: 1; Anal soft rays: 27-30; Vertebrae: 26. Light blue to pale bluish gray; upper edge of operculum with a longitudinal iridescent blue band divided into 2 sections. Caudal fin yellowish, some with an orangish streak passing anteriorly from spot; 1st dorsal fin not as high as the 2nd; 2nd dorsal and anal fins not elevated anteriorly; pelvic fins not long; base of pectoral fin usually with a blue-edged salmon-pink spot.
      Biology: Occurs in lagoons or bays, in passes, or on outer reef slopes; over hard substrate as well as patches of rubble or sand, usually at the base of the reef. Adults are usually in pairs and share burrow which is often under a piece of rubble or slab of coral rock. Adults feed on current-borne zooplankton as high as 3 m above the burrow; tend to remain together while feeding, separated by not more than 1-2 m. Juveniles occur in large groups, as many as 500.
      Aquairum Care:Has a temperature range of 72 - 82°F (22 - 28°C). Natural diet consists mainly of zooplankton. Requires a meaty diet, i.e., enriched brine shrimp, mysis, finely chopped fish or shrimp flesh, with one or two feedings per day and a well-covered aquarium. Should have some caves to hide in
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      Additional Info
      Keywords: Blacktail Goby

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