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Acanthurus tristis Randall, 1993

Description

Dorsal spines (total): 8; Dorsal soft rays (total): 23 - 33; Anal spines: 3; Anal soft rays: 22 - 29. Margin of caudal fin narrow and white. No orange area behind gill opening and extending ventrally behind base of pectoral fins (juveniles mimic the angelfish Centropyge eibli) (Ref 9808).

Common Names

  • Imitator-kirurgfisk , Danish , Denmark
  • Blackcheek surgeonfish , English , Global
  • Indian mimic surgeon , English , Indonesia
  • Indian Ocean mimic surgeonfish , English , Micronesia
  • Yellowspot surgeonfish , English , Sri Lanka
  • 暗体刺尾鱼 , Mandarin Chinese , China
  • 暗體刺尾魚 , Mandarin Chinese , China

    • Taxonomic Hierarchy

    Kingdom: Animalia

    Phylum: Chordata

    Class: Teleostei

    Order: Acanthuriformes

    Family: Acanthuridae

    Genus: Acanthurus

    Species: Acanthurus tristis Randall, 1993

    Climate Zone

  • Tropical

    • Location

  • Indian Ocean: Bay of Bengal (Ref. 8940) and the Andaman Sea west to Maldives and Chagos Archipelago, and east to islands of southern Indonesia at least to Bali.

    • Biology

    Occurs in shallow lagoon and seaward reefs, in areas of mixed coral, rock or sand. Juveniles mimic the cryptic Centropyge eibli (Ref. 9710, 48637).

    Habitat

    associated

    Conservation Status

    Least Concern

    Threat to Humans

    Harmless